/* ==========================================================================
   PSILOCIN SECRETS LAB - QUANTUM EDITION
   Modern, sophisticated steganography interface
   ========================================================================== */

/* ==========================================================================
   1. Design Tokens & Theme Variables
   ========================================================================== */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  /* Modern Color Palette - Dark Theme */
  --bg-base: #0d0d12;
  --bg-surface: #16161d;
  --bg-elevated: #1e1e28;
  --bg-overlay: #2a2a35;

  /* Accent Colors */
  --purple-600: #8b5cf6;
  --purple-500: #a78bfa;
  --purple-400: #c4b5fd;
  --teal-600: #14b8a6;
  --teal-500: #2dd4bf;
  --teal-400: #5eead4;
  --amber-600: #f59e0b;
  --amber-500: #fbbf24;
  --amber-400: #fcd34d;
  --rose-600: #f43f5e;
  --rose-500: #fb7185;
  --rose-400: #fda4af;

  /* Semantic Colors */
  --color-primary: var(--purple-500);
  --color-primary-hover: var(--purple-400);
  --color-secondary: var(--teal-500);
  --color-success: var(--teal-600);
  --color-warning: var(--amber-500);
  --color-danger: var(--rose-500);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #e5e7eb;
  --text-tertiary: #9ca3af;
  --text-quaternary: #6b7280;
  --text-inverse: #0d0d12;

  /* Mode-Specific Accents */
  --accent-hide: var(--amber-500);
  --accent-reveal: var(--teal-500);
  --accent-investigate: var(--purple-500);
  --accent-image: var(--teal-400);

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.7);

  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Monaco, Consolas, monospace;

  --font-xs: 0.75rem; /* 12px */
  --font-sm: 0.875rem; /* 14px */
  --font-base: 1rem; /* 16px */
  --font-md: 1.125rem; /* 18px */
  --font-lg: 1.25rem; /* 20px */
  --font-xl: 1.5rem; /* 24px */
  --font-2xl: 2rem; /* 32px */
  --font-3xl: 2.5rem; /* 40px */
  --font-4xl: 3rem; /* 48px */

  /* Spacing Scale - GENEROUS WHITESPACE for breathing room */
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem; /* 8px */
  --space-3: 0.875rem; /* 14px - increased */
  --space-4: 1.25rem; /* 20px - increased */
  --space-5: 1.75rem; /* 28px - increased */
  --space-6: 2.25rem; /* 36px - increased */
  --space-8: 3rem; /* 48px - increased */
  --space-10: 3.75rem; /* 60px - increased */
  --space-12: 4.5rem; /* 72px - increased */
  --space-16: 6rem; /* 96px - increased */
  --space-20: 8rem; /* 128px - increased */

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --nav-height: 64px;
  --sidebar-width: 280px;
  --max-content-width: 1440px;

  /* Z-Index Scale */
  --z-base: 0;
  --z-elevated: 10;
  --z-dropdown: 100;
  --z-sticky: 110;
  --z-overlay: 120;
  --z-modal: 130;
  --z-toast: 140;
  --z-tooltip: 150;

  /* Safe Area Insets */
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
}

/* Light Theme */
:root[data-theme="light"] {
  --bg-base: #f9fafb;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-overlay: #f3f4f6;

  --text-primary: #111827;
  --text-secondary: #374151;
  --text-tertiary: #6b7280;
  --text-quaternary: #9ca3af;
  --text-inverse: #ffffff;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.12);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   2. Global Resets & Base Styles
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: hidden;
  width: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  padding-top: var(--safe-area-top);
  padding-bottom: var(--safe-area-bottom);
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  background: var(--bg-elevated);
  color: var(--color-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
}

.skip-link:focus {
  top: var(--space-4);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Enhanced Visibility Classes with Transitions */
.hidden {
  display: none !important;
}

/* Utility Classes */
.mobile-only {
  display: none !important;
}

.mobile-hide {
  display: block !important;
}

@media (max-width: 768px) {
  .mobile-only {
    display: block !important;
  }

  .mobile-hide {
    display: none !important;
  }
}

/* Flash highlight animation for user attention */
.flash-highlight {
  animation: flashHighlight 1s ease-out;
}

@keyframes flashHighlight {
  0%,
  100% {
    background: transparent;
  }
  50% {
    background: rgba(167, 139, 250, 0.2);
    box-shadow: 0 0 0 4px rgba(167, 139, 250, 0.1);
  }
}

/* Small button variant */
.small-btn {
  padding: var(--space-2) var(--space-3) !important;
  font-size: var(--font-xs) !important;
  min-height: auto !important;
}

/* Fade transition for smoother show/hide */
.fade-enter {
  animation: fadeIn var(--transition-base) ease-in;
}

.fade-exit {
  animation: fadeOut var(--transition-base) ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* ==========================================================================
   3. Main Navigation Bar
   ========================================================================== */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(22, 22, 29, 0.95);
  border-bottom: 1px solid rgba(167, 139, 250, 0.15);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  z-index: var(--z-sticky);
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.5),
    0 0 20px rgba(139, 92, 246, 0.05);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--font-lg);
  letter-spacing: -0.02em;
  transition: all var(--transition-fast);
  padding: var(--space-2);
  border-radius: var(--radius-md);
}

.brand-logo:hover {
  background: rgba(167, 139, 250, 0.1);
  transform: scale(1.05);
}

.brand-icon {
  font-size: var(--font-xl);
  filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5));
  transition: filter var(--transition-fast);
}

.brand-logo:hover .brand-icon {
  filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.8));
}

.brand-text {
  display: none;
}

.brand-name {
  font-size: var(--font-base);
  font-weight: 700;
  background: linear-gradient(135deg, var(--purple-400) 0%, var(--teal-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.brand-tagline {
  display: none;
}

/* Show minimal text on larger screens */
@media (min-width: 1200px) {
  .brand-text {
    display: block;
  }
}

/* Mode Navigation */
.mode-nav {
  display: flex;
  gap: var(--space-1);
  background: rgba(13, 13, 18, 0.6);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mode-tab {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  position: relative;
}

.mode-tab::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.mode-tab:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.mode-tab.active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(94, 234, 212, 0.1));
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px rgba(167, 139, 250, 0.3);
}

.mode-tab.active::before {
  width: 80%;
}

.mode-tab.hide-tab.active {
  color: var(--accent-hide);
  box-shadow: inset 0 0 0 1px rgba(251, 191, 36, 0.3);
}

.mode-tab.hide-tab.active::before {
  background: var(--accent-hide);
}

.mode-tab.reveal-tab.active {
  color: var(--accent-reveal);
  box-shadow: inset 0 0 0 1px rgba(45, 212, 191, 0.3);
}

.mode-tab.reveal-tab.active::before {
  background: var(--accent-reveal);
}

.mode-tab.investigate-tab.active {
  color: var(--accent-investigate);
  box-shadow: inset 0 0 0 1px rgba(167, 139, 250, 0.3);
}

.mode-tab.investigate-tab.active::before {
  background: var(--accent-investigate);
}

.mode-tab.image-tab.active {
  color: var(--accent-image);
  box-shadow: inset 0 0 0 1px rgba(94, 234, 212, 0.3);
}

.mode-tab.image-tab.active::before {
  background: var(--accent-image);
}

.mode-tab-icon {
  font-size: var(--font-base);
}

/* Right Utilities */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-md);
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.nav-btn:hover {
  background: rgba(167, 139, 250, 0.1);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.nav-btn:active {
  transform: translateY(0);
}

.nav-btn.panic-btn {
  color: var(--color-danger);
}

.nav-btn.panic-btn:hover {
  background: rgba(244, 63, 94, 0.15);
  box-shadow: 0 0 12px rgba(244, 63, 94, 0.2);
}

.status-indicator {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse 2s infinite;
}

/* Legacy support for old utility bar */
.utility-bar {
  display: none !important;
}

/* ==========================================================================
   4. Main Layout
   ========================================================================== */
.workspace,
.start-screen {
  margin-top: var(--nav-height);
  padding: var(--space-8) var(--space-6);
  min-height: calc(100vh - var(--nav-height));
  animation: fadeIn var(--transition-slow);
}

.mode-workspace {
  max-width: var(--max-content-width);
  margin: 0 auto;
  animation: slideInFromRight var(--transition-slow) ease-out;
}

/* Slide animations for mode workspace transitions */
@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==========================================================================
   5. Workspace Layouts
   ========================================================================== */
.workspace-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.workspace-layout.single-column {
  grid-template-columns: 1fr;
}

.input-zone,
.output-zone {
  min-height: 400px;
}

.input-zone.full-width,
.output-zone.full-width {
  grid-column: 1 / -1;
}

/* Cards - More breathing room and softer aesthetics */
.zone-card,
.control-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-left: 2px solid rgba(167, 139, 250, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.zone-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--mode-color, var(--color-primary)), transparent);
  opacity: 0.8;
}

/* Mode-specific accent colors */
#hideWorkspace .zone-card {
  --mode-color: var(--accent-hide);
  border-left-color: rgba(251, 191, 36, 0.5);
}
#revealWorkspace .zone-card {
  --mode-color: var(--accent-reveal);
  border-left-color: rgba(45, 212, 191, 0.5);
}
#investigateWorkspace .zone-card {
  --mode-color: var(--accent-investigate);
  border-left-color: rgba(167, 139, 250, 0.5);
}
#imageWorkspace .zone-card {
  --mode-color: var(--accent-image);
  border-left-color: rgba(94, 234, 212, 0.5);
}

.zone-card:hover {
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.2),
    0 0 0 1px rgba(167, 139, 250, 0.1);
  transform: translateY(-4px);
}

.zone-title {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.zone-hint {
  font-size: var(--font-base);
  color: var(--text-tertiary);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.control-zone,
.analysis-zone {
  margin-top: var(--space-10);
}

/* ==========================================================================
   6. Form Elements
   ========================================================================== */
.field-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  margin-top: var(--space-6);
}

.field-label:first-child {
  margin-top: 0;
}

/* Info Tooltip Button */
.info-tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(167, 139, 250, 0.15);
  color: var(--color-primary);
  font-size: var(--font-xs);
  font-weight: 700;
  cursor: help;
  border: 1px solid rgba(167, 139, 250, 0.3);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.info-tooltip:hover {
  background: rgba(167, 139, 250, 0.25);
  border-color: var(--color-primary);
  transform: scale(1.1);
}

.info-tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--bg-elevated);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-sm);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.5;
  white-space: normal;
  max-width: 280px;
  min-width: 200px;
  z-index: var(--z-tooltip);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.info-tooltip:hover .info-tooltip-content,
.info-tooltip:focus .info-tooltip-content {
  opacity: 1;
  transform: translateX(-50%) translateY(-12px);
}

/* Mobile: Show on click instead of hover */
@media (max-width: 768px) {
  .info-tooltip.active .info-tooltip-content {
    opacity: 1;
    transform: translateX(-50%) translateY(-12px);
  }
}

/* Arrow for tooltip */
.info-tooltip-content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--bg-elevated);
}

/* Field hint - for additional context below inputs */
.field-hint {
  font-size: var(--font-sm);
  color: var(--text-quaternary);
  margin-top: var(--space-3);
  line-height: 1.5;
  opacity: 0.7;
  transition: all var(--transition-base);
}

/* Contextual help appears on focus */
textarea:focus + .field-hint,
input:focus + .field-hint,
select:focus + .field-hint {
  opacity: 1;
  color: var(--text-tertiary);
  transform: translateY(2px);
}

/* Inline contextual hints that appear on interaction */
.contextual-hint {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.08), rgba(94, 234, 212, 0.05));
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-5) 0;
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.contextual-hint.visible {
  opacity: 1;
  max-height: 200px;
  animation: slideDown var(--transition-base);
}

.contextual-hint strong {
  color: var(--color-primary);
  font-weight: 600;
}

textarea,
input[type="text"],
input[type="password"],
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-base);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-base);
  transition: all var(--transition-fast);
  resize: vertical;
}

textarea {
  min-height: 220px;
  font-family: var(--font-mono);
  line-height: 1.8;
  padding: var(--space-5);
  font-size: var(--font-base);
}

textarea:focus,
input:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow:
    0 0 0 4px rgba(139, 92, 246, 0.12),
    0 4px 12px rgba(139, 92, 246, 0.15);
  transform: translateY(-1px);
}

textarea::placeholder,
input::placeholder {
  color: var(--text-quaternary);
}

/* Upload Areas */
.upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
  background: var(--bg-base);
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
}

.upload-area::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.05) 0%, rgba(45, 212, 191, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.upload-area:hover {
  border-color: var(--color-primary);
  background: var(--bg-overlay);
  transform: translateY(-2px);
}

.upload-area:hover::before {
  opacity: 1;
}

.upload-area.drag-over {
  border-color: var(--teal-400);
  background: var(--bg-elevated);
  border-style: solid;
  box-shadow:
    0 0 0 4px rgba(45, 212, 191, 0.1),
    0 8px 24px rgba(45, 212, 191, 0.2);
  animation: dragPulse 0.6s ease-in-out infinite;
  transform: scale(1.02);
}

.upload-area.drag-over::before {
  opacity: 1;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.1) 0%, rgba(45, 212, 191, 0.1) 100%);
}

.upload-area.drag-over .upload-icon {
  animation: bounce 0.6s ease-in-out infinite;
  color: var(--teal-400);
  transform: scale(1.2);
}

.upload-area.drag-over .upload-text {
  color: var(--teal-400);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.upload-text {
  font-size: var(--font-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

.upload-hint {
  font-size: var(--font-sm);
  color: var(--text-tertiary);
}

/* ==========================================================================
   7. Buttons
   ========================================================================== */
button {
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.primary-action-btn,
.action-btn {
  width: 100%;
  padding: var(--space-5) var(--space-6);
  background: linear-gradient(135deg, var(--purple-500) 0%, var(--purple-600) 100%);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-lg);
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.35);
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  min-height: 56px;
}

.primary-action-btn::before,
.action-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
}

.primary-action-btn:hover::before,
.action-btn:hover::before {
  width: 300px;
  height: 300px;
}

.primary-action-btn:hover,
.action-btn:hover {
  background: linear-gradient(135deg, var(--purple-400) 0%, var(--purple-500) 100%);
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 12px 32px rgba(139, 92, 246, 0.45);
}

/* Enhanced button interactions */
.primary-action-btn:active,
.action-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

/* Ripple effect on click */
.primary-action-btn.ripple,
.action-btn.ripple {
  position: relative;
  overflow: hidden;
}

.primary-action-btn .ripple-effect,
.action-btn .ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Secondary button hover states */
.secondary-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

.primary-action-btn:disabled,
.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  animation: none;
}

/* Subtle idle pulse */
@keyframes buttonPulse {
  0%,
  100% {
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
  }
  50% {
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.5);
  }
}

.primary-action-btn:not(:disabled),
.action-btn:not(:disabled) {
  animation: buttonPulse 3s ease-in-out infinite;
}

.secondary-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-overlay);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-weight: 600;
}

.secondary-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.file-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--color-primary);
  color: var(--text-primary);
}

/* Icon Buttons */
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-md);
  transition: all var(--transition-fast);
  position: relative;
  min-width: 40px;
  min-height: 40px;
}

.icon-btn:hover {
  background: var(--bg-overlay);
  color: var(--text-primary);
}

.icon-btn:active {
  transform: scale(0.95);
}

.panic-btn {
  color: var(--color-danger);
}

.panic-btn:hover {
  background: rgba(244, 63, 94, 0.1);
}

/* Download Links */
.download-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-success);
  color: var(--text-inverse);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  margin-top: var(--space-5);
  transition: all var(--transition-fast);
}

.download-link:hover {
  background: var(--teal-700, #0f766e);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.download-icon {
  font-size: var(--font-lg);
}

/* ==========================================================================
   8. Progressive Disclosure
   ========================================================================== */
.advanced-toggle,
details {
  margin-top: var(--space-10);
  border: none;
  padding: 0;
  background: transparent;
}

.advanced-toggle summary,
details summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4) var(--space-6);
  background: rgba(167, 139, 250, 0.05);
  border: 1px dashed rgba(167, 139, 250, 0.2);
  border-radius: var(--radius-lg);
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-tertiary);
  text-align: center;
  transition: all var(--transition-base);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.advanced-toggle summary::before,
details summary::before {
  content: "▶";
  font-size: var(--font-xs);
  transition: transform var(--transition-fast);
}

.advanced-toggle[open] summary::before,
details[open] summary::before {
  transform: rotate(90deg);
}

.advanced-toggle summary::-webkit-details-marker,
details summary::-webkit-details-marker {
  display: none;
}

.advanced-toggle summary:hover,
details summary:hover {
  background: rgba(167, 139, 250, 0.1);
  color: var(--text-primary);
  border-color: rgba(167, 139, 250, 0.4);
  border-style: solid;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.1);
}

.advanced-toggle[open] summary,
details[open] summary {
  margin-bottom: var(--space-8);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(94, 234, 212, 0.08));
  color: var(--text-primary);
  border-color: var(--color-primary);
  border-style: solid;
}

.advanced-content {
  animation: slideDown var(--transition-base);
  padding-top: var(--space-4);
}

/* Form Groups - Better visual separation */
.form-group {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.form-section-title {
  font-size: var(--font-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-section-title:first-child {
  margin-top: 0;
}

/* ==========================================================================
   9. Results & Placeholders
   ========================================================================== */
.results-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
  color: var(--text-quaternary);
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.3;
}

.placeholder-text {
  font-size: var(--font-base);
  color: var(--text-tertiary);
}

.extraction-result {
  background: var(--bg-base);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-top: var(--space-5);
  min-height: 120px;
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Success/Info Banners */
.success-banner,
.info-banner {
  background: linear-gradient(
    135deg,
    rgba(45, 212, 191, 0.15) 0%,
    rgba(45, 212, 191, 0.05) 100%
  ) !important;
  border: 2px solid var(--teal-400) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--space-4) var(--space-5) !important;
  margin-bottom: var(--space-4) !important;
  animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.success-banner h3,
.info-banner h3 {
  color: var(--teal-400) !important;
  margin: 0 !important;
  font-size: var(--font-lg) !important;
  font-weight: 600 !important;
}

.success-banner p,
.info-banner p {
  margin: var(--space-2) 0 0 !important;
  font-size: var(--font-sm) !important;
  color: var(--text-secondary) !important;
  line-height: 1.5 !important;
}

/* Enhanced textarea for results */
textarea[readonly] {
  background: linear-gradient(135deg, var(--bg-base) 0%, var(--bg-surface) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--color-primary);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
  position: relative;
}

textarea[readonly]:focus {
  border-left-color: var(--teal-400);
  box-shadow:
    inset 0 2px 8px rgba(0, 0, 0, 0.2),
    0 0 0 3px rgba(45, 212, 191, 0.1);
}

/* Button rows */
.button-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.button-row button {
  flex: 1;
  min-width: 140px;
}

/* Verification section */
.verification-section {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--bg-base);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.verification-section h4 {
  color: var(--text-primary);
  margin: 0 0 var(--space-2);
  font-size: var(--font-md);
}

.section-description {
  color: var(--text-tertiary);
  font-size: var(--font-sm);
  margin: 0 0 var(--space-4);
  line-height: 1.5;
}

.verify-result {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  animation: slideDown 0.3s ease-out;
}

.verify-result.success {
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid var(--teal-400);
}

.verify-result.warning {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--amber-400);
}

/* Export section */
.export-container {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--bg-base);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.export-title {
  color: var(--text-primary);
  margin: 0 0 var(--space-3);
  font-size: var(--font-md);
}

.export-format-select {
  flex: 1;
  min-width: 140px;
}

/* Canvas Containers */
.canvas-container {
  position: relative;
  width: 100%;
  min-height: 200px;
  background: var(--bg-base);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-5) 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.canvas-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  color: var(--text-tertiary);
}

.image-canvas {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   10. System Log (Legacy - Now Hidden, Log is in dedicated page)
   ========================================================================== */
.system-log,
.log-viewer-panel {
  display: none !important;
}

.log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  user-select: none;
  background: var(--bg-surface);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: sticky;
  top: 0;
  z-index: 1;
}

.log-header:hover {
  background: var(--bg-overlay);
}

.log-title {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.log-title::before {
  content: "▼";
  font-size: var(--font-xs);
  transition: transform var(--transition-fast);
  color: var(--color-primary);
}

.collapsed .log-title::before {
  transform: rotate(-90deg);
}

.log-controls {
  display: flex;
  gap: var(--space-2);
}

.log-action-btn {
  padding: var(--space-1) var(--space-3);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.log-action-btn:hover {
  background: var(--bg-overlay);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-secondary);
}

.log-output {
  height: 200px;
  overflow-y: auto;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  line-height: 1.6;
  background: var(--bg-base);
}

.log-entry {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.log-timestamp {
  color: var(--text-quaternary);
  flex-shrink: 0;
}

.log-type {
  font-weight: 600;
  flex-shrink: 0;
}

.log-message {
  flex: 1;
  word-break: break-word;
}

.log-info .log-type {
  color: var(--teal-400);
}
.log-ok .log-type {
  color: var(--teal-500);
}
.log-warn .log-type {
  color: var(--amber-500);
}
.log-error .log-type {
  color: var(--rose-500);
}
.log-sec .log-type {
  color: var(--purple-400);
}

/* ==========================================================================
   11. Data Display Components
   ========================================================================== */
.data-card {
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-4) 0;
}

.verdict {
  padding: var(--space-5);
  margin: var(--space-5) 0;
  border-radius: var(--radius-md);
  border: none;
  border-left: 4px solid;
}

.verdict.success {
  background: rgba(20, 184, 166, 0.1);
  color: var(--teal-400);
  border-color: var(--teal-500);
}

.verdict.warning {
  background: rgba(251, 191, 36, 0.1);
  color: var(--amber-400);
  border-color: var(--amber-500);
}

.verdict.info {
  background: rgba(139, 92, 246, 0.1);
  color: var(--purple-400);
  border-color: var(--purple-500);
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

.dashboard-card {
  background: var(--bg-overlay);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.dashboard-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.dashboard-card.full-width {
  grid-column: 1 / -1;
}

.dashboard-card summary {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  padding: var(--space-3);
  margin: calc(var(--space-6) * -1);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
}

.dashboard-card summary:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-primary);
}

.dashboard-card[open] summary {
  margin-bottom: var(--space-5);
  border-bottom-color: rgba(167, 139, 250, 0.2);
}

.dashboard-card h4 {
  font-size: var(--font-md);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.forensic-item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  line-height: 1.6;
}

.forensic-item:last-child {
  border-bottom: none;
}

.forensic-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Export Controls */
.export-panel {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.export-title {
  font-size: var(--font-md);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.export-controls {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.export-controls select {
  flex: 1;
}

.export-controls button {
  flex-shrink: 0;
}

/* Binary Viewer */
.binary-viewer {
  background: var(--bg-base);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  line-height: 1.6;
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Heatmap */
.highlighted-view p {
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--bg-base);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.highlighted-view mark {
  padding: 0 2px;
  border-radius: 2px;
  font-weight: 600;
}

.highlighted-view .hl-zwsp {
  background-color: rgba(79, 172, 254, 0.6);
  color: white;
}
.highlighted-view .hl-zwnj {
  background-color: rgba(161, 140, 209, 0.6);
  color: white;
}
.highlighted-view .hl-zwj {
  background-color: rgba(255, 176, 32, 0.6);
  color: white;
}
.highlighted-view .hl-wj {
  background-color: rgba(67, 233, 123, 0.6);
  color: white;
}
.highlighted-view .hl-other {
  background-color: rgba(255, 107, 107, 0.6);
  color: white;
}

/* Risk Indicators */
.risk-score {
  font-weight: 700;
  font-size: var(--font-lg);
}

.risk-level {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.risk-ninja {
  background: rgba(67, 233, 123, 0.2);
  color: #2ea85e;
}
.risk-secure {
  background: rgba(139, 195, 74, 0.2);
  color: #6d9b37;
}
.risk-moderate {
  background: rgba(255, 176, 32, 0.2);
  color: #d89000;
}
.risk-weak {
  background: rgba(255, 152, 0, 0.2);
  color: #d87800;
}
.risk-exposed {
  background: rgba(255, 107, 107, 0.2);
  color: #d63a3a;
}

/* ==========================================================================
   12. Modals & Overlays
   ========================================================================== */
.loading {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 13, 18, 0.95);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  z-index: var(--z-modal);
  justify-content: center;
  align-items: center;
  padding: var(--space-4);
  animation: fadeIn 0.2s ease-out;
}

.loading.active {
  display: flex;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
  padding: var(--space-8) var(--space-10);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(167, 139, 250, 0.1);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.loading-content p {
  color: var(--text-secondary);
  font-size: var(--font-base);
  margin: 0;
  text-align: center;
}

/* Button loading state */
button.loading,
.btn.loading,
.primary-action-btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

button.loading::after,
.btn.loading::after,
.primary-action-btn.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(167, 139, 250, 0.1);
  border-top: 4px solid transparent;
  border-right: 4px solid transparent;
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
  position: relative;
}

.spinner::before {
  content: "";
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 4px solid transparent;
  border-top: 4px solid var(--purple-400);
  border-right: 4px solid var(--teal-400);
  animation: spin 1.5s linear infinite reverse;
}

.spinner::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 6px;
  right: 6px;
  bottom: 6px;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top: 3px solid var(--amber-400);
  animation: spin 0.75s linear infinite;
}

/* Small inline spinner for buttons */
.spinner-sm {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

.spinner-sm::before,
.spinner-sm::after {
  display: none;
}

.modal-panel {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 520px;
  width: 90%;
  box-shadow: var(--shadow-xl);
}

.modal-title {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--space-6);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.modal-panel h2 {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--space-6);
}

.modal-panel p {
  margin: var(--space-3) 0;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Visualization Modal Body */
.viz-modal-body {
  min-height: 200px;
  max-height: 70vh;
  overflow-y: auto;
  overflow-x: hidden;
  margin: var(--space-4) 0;
  padding: var(--space-4);
  background: var(--bg-base);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Make vizModal wider for better content display */
#vizModal .modal-panel {
  max-width: 90vw;
  width: 800px;
}

/* Ensure highlighted text wraps properly in modal */
.viz-modal-body .highlighted-view {
  width: 100%;
}

.viz-modal-body .highlighted-view p {
  word-break: break-word;
  white-space: pre-wrap;
  line-height: 1.8;
  margin: 0;
}

/* Ensure canvas in modal is responsive */
.viz-modal-body canvas {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Mobile adjustments for viz modal */
@media (max-width: 768px) {
  #vizModal .modal-panel {
    max-width: 95vw;
    width: 95vw;
  }

  .viz-modal-body {
    max-height: 60vh;
    padding: var(--space-3);
  }
}

.error-message {
  color: var(--color-danger);
  font-weight: 600;
  margin: var(--space-4) 0;
}

.error-code {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  color: var(--text-quaternary);
  background: var(--bg-base);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  margin: var(--space-3) 0;
  border-left: 3px solid var(--color-danger);
}

/* Primary Button (used in modals) */
.primary-btn {
  padding: var(--space-3) var(--space-5);
  background: linear-gradient(135deg, var(--purple-500) 0%, var(--purple-600) 100%);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

.primary-btn:hover {
  background: linear-gradient(135deg, var(--purple-400) 0%, var(--purple-500) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.primary-btn:active {
  transform: translateY(0);
}

.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Recovery Steps List */
.recovery-steps-list {
  list-style: decimal;
  padding-left: var(--space-6);
  margin: var(--space-4) 0;
}

.recovery-steps-list li {
  padding: var(--space-3) 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.recovery-steps-list li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

.recovery-steps-list li strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Report Textarea */
.report-textarea {
  width: 100%;
  min-height: 300px;
  max-height: 400px;
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  line-height: 1.6;
  padding: var(--space-4);
  background: var(--bg-base);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  resize: vertical;
  margin: var(--space-4) 0;
}

.report-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* Progress Container */
.progress-container {
  margin: var(--space-4) 0;
  width: 100%;
  max-width: 400px;
}

.progress-label {
  font-size: var(--font-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  text-align: center;
}

.progress-bar-wrapper {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-2);
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--purple-500) 0%, var(--teal-500) 100%);
  border-radius: var(--radius-full);
  transition: width 0.3s ease-out;
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
  position: relative;
}

.progress-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

#progressText {
  display: block;
  text-align: center;
  font-size: var(--font-sm);
  color: var(--text-tertiary);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* Shortcuts List in Modal */
.shortcuts-list {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
}

.shortcuts-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  gap: var(--space-4);
}

.shortcuts-list li:last-child {
  border-bottom: none;
}

.shortcuts-list li span {
  color: var(--text-secondary);
  font-size: var(--font-base);
}

.shortcuts-list li code {
  background: rgba(167, 139, 250, 0.15);
  color: var(--color-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  font-weight: 600;
  border: 1px solid rgba(167, 139, 250, 0.3);
  white-space: nowrap;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.4),
    0 2px 8px rgba(0, 0, 0, 0.2);
  border-left: 4px solid var(--color-primary);
  min-width: 320px;
  max-width: 480px;
  animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
  opacity: 0.5;
}

.toast.fade-out {
  animation: fadeOut 0.3s ease-out forwards;
}

.toast.info {
  border-left-color: var(--teal-400);
}

.toast.info::before {
  background: linear-gradient(90deg, transparent 0%, var(--teal-400) 50%, transparent 100%);
}

.toast.success {
  border-left-color: var(--color-success);
}

.toast.success::before {
  background: linear-gradient(90deg, transparent 0%, var(--color-success) 50%, transparent 100%);
}

.toast.warning {
  border-left-color: var(--amber-400);
}

.toast.warning::before {
  background: linear-gradient(90deg, transparent 0%, var(--amber-400) 50%, transparent 100%);
}

/* Enhanced Toast Features */
.toast-action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toast-action:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.toast-dismiss {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: var(--radius-full);
  color: var(--text-tertiary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0.7;
}

.toast-dismiss:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  transform: scale(1.1);
}

.toast-with-icon {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.toast-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.toast.error {
  border-left-color: var(--color-danger);
}

.toast.error::before {
  background: linear-gradient(90deg, transparent 0%, var(--color-danger) 50%, transparent 100%);
}

.toast-title {
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.toast-message {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   13. Legacy Component Compatibility
   ========================================================================== */
.panel {
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}

.panel-section {
  margin: 0;
  padding: 0;
  border: none;
}

.panel-title {
  display: none;
}

.tab-nav,
.tab-content,
.tab-btn {
  display: none !important;
}

/* Start Screen Elements (keep for backward compatibility) */
.start-screen {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.brand-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.brand-title {
  font-size: var(--font-4xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--purple-400) 0%, var(--teal-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: var(--font-lg);
  color: var(--text-tertiary);
  font-weight: 500;
}

.intent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--space-8);
  max-width: 1300px;
  width: 100%;
}

.intent-card {
  background:
    linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(135deg, rgba(167, 139, 250, 0.3), rgba(94, 234, 212, 0.3)) border-box;
  border: 2px solid transparent;
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-10);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-slow);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
  animation: intentCardSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.intent-card:nth-child(1) {
  animation-delay: 0s;
}
.intent-card:nth-child(2) {
  animation-delay: 0.1s;
}
.intent-card:nth-child(3) {
  animation-delay: 0.2s;
}
.intent-card:nth-child(4) {
  animation-delay: 0.3s;
}

.intent-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent, rgba(167, 139, 250, 0.05));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.intent-card.hide-card {
  background:
    linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(135deg, rgba(251, 191, 36, 0.4), rgba(245, 158, 11, 0.2)) border-box;
}

.intent-card.reveal-card {
  background:
    linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(135deg, rgba(45, 212, 191, 0.4), rgba(94, 234, 212, 0.2)) border-box;
}

.intent-card.investigate-card {
  background:
    linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(135deg, rgba(167, 139, 250, 0.4), rgba(139, 92, 246, 0.2)) border-box;
}

.intent-card.image-card {
  background:
    linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
    linear-gradient(135deg, rgba(94, 234, 212, 0.4), rgba(45, 212, 191, 0.2)) border-box;
}

.intent-card:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(167, 139, 250, 0.2);
}

.intent-card:hover::before {
  opacity: 1;
}

.intent-card:active {
  transform: translateY(-8px) scale(1.02);
}

.intent-icon {
  font-size: 6rem;
  margin-bottom: var(--space-8);
  filter: drop-shadow(0 0 20px currentColor);
  transition: all var(--transition-slow);
}

.intent-card.hide-card .intent-icon {
  color: var(--accent-hide);
}
.intent-card.reveal-card .intent-icon {
  color: var(--accent-reveal);
}
.intent-card.investigate-card .intent-icon {
  color: var(--accent-investigate);
}
.intent-card.image-card .intent-icon {
  color: var(--accent-image);
}

.intent-card:hover .intent-icon {
  transform: scale(1.1) rotateY(10deg);
  filter: drop-shadow(0 0 24px currentColor);
}

.intent-title {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.intent-description {
  font-size: var(--font-md);
  color: var(--text-tertiary);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

@keyframes intentCardSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Start Screen Enhancements */
.brand-features {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.welcome-message {
  margin: var(--space-8) 0;
  text-align: center;
}

.welcome-text {
  font-size: var(--font-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

.intent-features {
  list-style: none;
  margin-top: var(--space-5);
  padding: 0;
  text-align: left;
}

.intent-features li {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  padding-left: var(--space-6);
  position: relative;
}

.intent-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.start-footer {
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.footer-help {
  font-size: var(--font-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

.accent-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
  border-bottom: 1px solid transparent;
}

.accent-link:hover {
  color: var(--color-primary-hover);
  border-bottom-color: var(--color-primary-hover);
}

/* Workflow Header */
.workflow-header {
  margin-bottom: var(--space-12);
  text-align: center;
  animation: fadeIn var(--transition-slow);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.workflow-title {
  font-size: var(--font-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--purple-400) 0%, var(--teal-400) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.workflow-subtitle {
  font-size: var(--font-xl);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Step Indicators - Subtle guidance without prescription */
.step-indicator {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.step-number {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(167, 139, 250, 0.15);
  color: var(--color-primary);
  font-size: var(--font-base);
  font-weight: 700;
  border-radius: var(--radius-full);
  border: 2px solid rgba(167, 139, 250, 0.3);
  position: relative;
  transition: all var(--transition-base);
}

.zone-card:hover .step-number {
  background: linear-gradient(135deg, var(--purple-500) 0%, var(--purple-600) 100%);
  color: var(--text-inverse);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

@keyframes stepPulse {
  0%,
  100% {
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
  }
  50% {
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.6);
  }
}

.step-number::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--purple-400), var(--teal-400));
  z-index: -1;
  opacity: 0.3;
}

/* Quick Setup Zone - Primary path of least resistance */
.quick-setup-zone {
  margin: var(--space-10) 0;
  animation: fadeIn var(--transition-slow) 0.2s backwards;
}

.quick-setup-card {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.05) 0%, rgba(94, 234, 212, 0.03) 100%);
  border: 2px solid rgba(167, 139, 250, 0.4) !important;
  box-shadow:
    0 8px 24px rgba(139, 92, 246, 0.15),
    0 0 0 1px rgba(167, 139, 250, 0.1),
    0 0 48px rgba(167, 139, 250, 0.08);
  position: relative;
  overflow: visible;
}

.quick-setup-card::before {
  content: "✨ RECOMMENDED";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--purple-500) 0%, var(--teal-500) 100%);
  color: var(--text-inverse);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.5);
  white-space: nowrap;
  z-index: 10;
}

.quick-setup-card:hover {
  border-color: rgba(167, 139, 250, 0.6) !important;
  box-shadow:
    0 12px 32px rgba(139, 92, 246, 0.2),
    0 0 0 2px rgba(167, 139, 250, 0.15),
    0 0 64px rgba(167, 139, 250, 0.12);
  transform: translateY(-2px);
}

/* Threat Model Quick Setup Styles */
.threat-model-quick-setup {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.threat-model-selector-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.threat-model-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-primary);
}

.label-icon {
  font-size: var(--font-lg);
}

.threat-model-select {
  padding: var(--space-4);
  font-size: var(--font-lg);
  font-weight: 600;
  background: var(--bg-base);
  border: 2px solid rgba(167, 139, 250, 0.3);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.threat-model-select:hover {
  border-color: var(--color-primary);
  background: var(--bg-overlay);
}

.threat-model-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.2);
}

.threat-model-info {
  margin: var(--space-2) 0;
}

.info-badge {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(167, 139, 250, 0.1);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  animation: fadeIn var(--transition-base);
}

.info-badge.manual {
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--text-tertiary);
}

.info-icon {
  font-size: var(--font-lg);
  flex-shrink: 0;
}

.info-text {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.password-field-inline {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.inline-password-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-primary);
}

.label-note {
  font-size: var(--font-xs);
  font-weight: 400;
  color: var(--text-tertiary);
  margin-left: var(--space-1);
}

.quick-password-input {
  padding: var(--space-4);
  font-size: var(--font-base);
  background: var(--bg-base);
  border: 2px solid rgba(167, 139, 250, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  transition: all var(--transition-fast);
}

.quick-password-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.password-help {
  font-size: var(--font-sm);
  color: var(--text-tertiary);
  line-height: 1.5;
}

.encode-btn-large {
  padding: var(--space-5) var(--space-8);
  font-size: var(--font-lg);
  font-weight: 700;
  min-height: 64px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: linear-gradient(135deg, var(--amber-500) 0%, var(--amber-600) 100%);
  box-shadow: 0 6px 20px rgba(251, 191, 36, 0.4);
  margin-top: var(--space-4);
}

.encode-btn-large:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--amber-400) 0%, var(--amber-500) 100%);
  box-shadow: 0 8px 28px rgba(251, 191, 36, 0.5);
  transform: translateY(-3px) scale(1.02);
}

.encode-btn-large:active:not(:disabled) {
  transform: translateY(-1px) scale(1.01);
}

.encode-btn-large .btn-icon {
  font-size: var(--font-2xl);
}

.encode-btn-large .btn-text {
  font-size: var(--font-lg);
  letter-spacing: 0.02em;
}

.btn-shortcut {
  position: absolute;
  top: var(--space-2);
  right: var(--space-3);
  font-size: var(--font-xs);
  opacity: 0.7;
  background: rgba(0, 0, 0, 0.2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.encode-requirements {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: rgba(244, 63, 94, 0.1);
  border-left: 3px solid var(--color-danger);
  border-radius: var(--radius-md);
  animation: fadeIn var(--transition-base);
}

.requirements-text {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* Reveal mode encode button variant */
#revealWorkspace .encode-btn-large {
  background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-600) 100%);
  box-shadow: 0 6px 20px rgba(45, 212, 191, 0.4);
}

#revealWorkspace .encode-btn-large:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-500) 100%);
  box-shadow: 0 8px 28px rgba(45, 212, 191, 0.5);
}

/* Advanced Toggle Enhancements */
.advanced-toggle {
  margin-top: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: all var(--transition-base);
}

.advanced-toggle summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--space-3);
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
}

.advanced-toggle summary::-webkit-details-marker {
  display: none;
}

.advanced-toggle summary:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.advanced-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: rgba(167, 139, 250, 0.15);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.03em;
}

.advanced-content {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  animation: fadeIn var(--transition-base);
}

.advanced-warning {
  padding: var(--space-5) var(--space-6);
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.08), rgba(94, 234, 212, 0.05));
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  font-size: var(--font-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

/* Mode-specific step numbers */
#hideWorkspace .step-number {
  background: linear-gradient(135deg, var(--amber-500) 0%, var(--amber-600) 100%);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
}

#hideWorkspace .step-number::after {
  background: linear-gradient(135deg, var(--amber-400), var(--amber-500));
}

@keyframes hideStepPulse {
  0%,
  100% {
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
  }
  50% {
    box-shadow: 0 4px 16px rgba(251, 191, 36, 0.6);
  }
}

#hideWorkspace .step-number {
  animation: hideStepPulse 2s ease-in-out infinite;
}

#revealWorkspace .step-number {
  background: linear-gradient(135deg, var(--teal-500) 0%, var(--teal-600) 100%);
  box-shadow: 0 4px 12px rgba(45, 212, 191, 0.4);
}

#revealWorkspace .step-number::after {
  background: linear-gradient(135deg, var(--teal-400), var(--teal-500));
}

@keyframes revealStepPulse {
  0%,
  100% {
    box-shadow: 0 4px 12px rgba(45, 212, 191, 0.4);
  }
  50% {
    box-shadow: 0 4px 16px rgba(45, 212, 191, 0.6);
  }
}

#revealWorkspace .step-number {
  animation: revealStepPulse 2s ease-in-out infinite;
}

/* Responsive adjustments for new elements */
@media (max-width: 768px) {
  .workflow-title {
    font-size: var(--font-2xl);
  }

  .workflow-subtitle {
    font-size: var(--font-base);
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: var(--font-base);
  }

  .brand-features {
    flex-direction: column;
    align-items: center;
  }

  .intent-features {
    font-size: var(--font-sm);
  }
}

/* Legacy mode pills (hidden now, but keep for JS) */
.mode-pill {
  display: none;
}

.home-pill {
  display: none;
}

/* Status dot for new nav */
.status-dot {
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* ==========================================================================
   14. Animations
   ========================================================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0) scale(1.2);
  }
  50% {
    transform: translateY(-8px) scale(1.25);
  }
}

@keyframes dragPulse {
  0%,
  100% {
    box-shadow:
      0 0 0 4px rgba(45, 212, 191, 0.1),
      0 8px 24px rgba(45, 212, 191, 0.2);
  }
  50% {
    box-shadow:
      0 0 0 6px rgba(45, 212, 191, 0.15),
      0 12px 32px rgba(45, 212, 191, 0.3);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(20px) scale(0.95);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================================================
   Skeleton Loaders - For Better Perceived Performance
   ========================================================================== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-surface) 0%,
    var(--bg-overlay) 50%,
    var(--bg-surface) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-2);
}

.skeleton-text.large {
  height: 1.5rem;
}

.skeleton-text.small {
  height: 0.75rem;
}

.skeleton-card {
  height: 200px;
  width: 100%;
}

.skeleton-button {
  height: 42px;
  width: 120px;
  border-radius: var(--radius-md);
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-container {
  padding: var(--space-4);
}

/* ==========================================================================
   Enhanced Tooltip System
   ========================================================================== */
.tooltip-container {
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  max-width: 280px;
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  animation: tooltipFadeIn 0.2s ease;
}

@keyframes tooltipFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tooltip-content {
  color: var(--text-primary);
}

.tooltip-shortcut {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-xs);
  color: var(--text-tertiary);
}

.tooltip-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  padding: 2px 6px;
  background: var(--bg-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  text-transform: uppercase;
}

/* ==========================================================================
   Copy Success Animations & Feedback
   ========================================================================== */
.copy-success-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  background: var(--color-success);
  color: white;
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: var(--z-modal);
  font-size: var(--font-xl);
  font-weight: 600;
  pointer-events: none;
  animation: copySuccessPop 1s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes copySuccessPop {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
  }
  10% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 1;
  }
  90% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
  }
}

.copy-button {
  position: relative;
  overflow: hidden;
}

.copy-button.copied {
  background: var(--color-success) !important;
  transform: scale(0.95);
  transition: all 0.2s ease;
}

.copy-button.copied::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5em;
  color: white;
  animation: checkmarkPop 0.5s ease;
}

@keyframes checkmarkPop {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

/* ==========================================================================
   Enhanced Accessibility & Focus Management
   ========================================================================== */
.focus-visible,
*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-to-content {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: var(--space-3) var(--space-5);
  background: var(--bg-elevated);
  color: var(--color-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-to-content:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* Focus trap for modals */
.modal-active {
  overflow: hidden;
}

.modal-active .modal-panel {
  animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* High contrast mode */
.high-contrast {
  --bg-base: #000000;
  --bg-surface: #1a1a1a;
  --text-primary: #ffffff;
  --color-primary: #00ff00;
  filter: contrast(1.2);
}

/* Reduce motion preference */
.reduce-motion *,
.reduce-motion *::before,
.reduce-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

.no-animations *,
.no-animations *::before,
.no-animations *::after {
  animation: none !important;
  transition: none !important;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ==========================================================================
   15. Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
  .mode-nav {
    gap: var(--space-1);
  }

  .mode-tab {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-xs);
  }

  .workspace-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
    --space-6: 1rem;
    --space-8: 1.5rem;
    --space-10: 2rem;
    --space-12: 2.5rem;
  }

  .main-nav {
    padding: 0 var(--space-3);
  }

  .nav-left {
    gap: var(--space-3);
    flex: 1;
    min-width: 0;
  }

  .brand-logo {
    flex-shrink: 0;
  }

  .brand-text {
    display: none !important;
  }

  .brand-tagline {
    display: none;
  }

  .mode-nav {
    flex: 1;
    min-width: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    margin-right: var(--space-2);
    gap: var(--space-1);
  }

  .mode-nav::-webkit-scrollbar {
    display: none;
  }

  .mode-tab {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-xs);
  }

  .mode-tab-icon {
    display: none;
  }

  /* Ensure mode tabs don't overflow and text is visible */
  .mode-tab span:not(.mode-tab-icon) {
    white-space: nowrap;
  }

  .nav-right {
    flex-shrink: 0;
    gap: var(--space-1);
  }

  .nav-btn {
    width: 36px;
    height: 36px;
  }

  .workspace,
  .start-screen {
    padding: var(--space-6) var(--space-4);
  }

  .zone-card,
  .control-card {
    padding: var(--space-4);
  }

  .zone-title {
    font-size: var(--font-lg);
  }

  .export-controls {
    flex-direction: column;
  }

  .export-controls select,
  .export-controls button {
    width: 100%;
  }

  .modal-panel {
    max-width: 95%;
    padding: var(--space-6);
  }

  .modal-panel h2 {
    font-size: var(--font-xl);
  }

  .button-row {
    flex-direction: column;
  }

  .button-row button {
    width: 100%;
  }

  .toast-container {
    bottom: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
  }

  .toast {
    min-width: auto;
    width: 100%;
  }

  textarea,
  input[type="text"],
  input[type="password"],
  select {
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .intent-grid {
    grid-template-columns: 1fr;
  }

  .brand-title {
    font-size: var(--font-2xl);
  }

  /* Reduce spacing for advanced settings toggle on mobile */
  .advanced-toggle,
  details {
    margin-top: var(--space-4);
  }

  .control-zone,
  .analysis-zone {
    margin-top: var(--space-4);
  }

  /* Reduce min-height for zones on mobile to prevent large gaps */
  .input-zone,
  .output-zone {
    min-height: auto;
  }

  .workspace-layout {
    gap: var(--space-4);
    margin-bottom: var(--space-4);
  }

  /* Reduce padding for zone cards on mobile */
  .zone-card {
    padding: var(--space-4);
  }

  /* Reduce placeholder height on mobile */
  .results-placeholder {
    padding: var(--space-6);
  }

  /* Quick setup card badge adjustment for mobile */
  .quick-setup-card::before {
    font-size: 10px;
    padding: var(--space-1) var(--space-3);
    top: -10px;
  }

  /* Workflow header adjustments */
  .workflow-header {
    margin-bottom: var(--space-8);
  }

  .workflow-title {
    font-size: var(--font-2xl);
  }

  .workflow-subtitle {
    font-size: var(--font-base);
  }

  /* Step indicators on mobile */
  .step-indicator {
    gap: var(--space-3);
    margin-bottom: var(--space-5);
  }

  .step-number {
    width: 36px;
    height: 36px;
    font-size: var(--font-sm);
  }

  /* Primary action button sizing on mobile */
  .primary-action-btn,
  .action-btn {
    font-size: var(--font-base);
    padding: var(--space-4) var(--space-5);
    min-height: 52px;
  }

  /* Shortcuts list in modal */
  .shortcuts-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .nav-right {
    gap: var(--space-1);
  }

  .nav-btn {
    width: 36px;
    height: 36px;
    font-size: var(--font-base);
  }

  .brand-name {
    font-size: var(--font-sm);
  }

  .mode-tab {
    padding: var(--space-2);
    font-size: var(--font-xs);
  }

  .intent-card {
    padding: var(--space-6) var(--space-5);
  }

  .intent-icon {
    font-size: 4rem;
    margin-bottom: var(--space-5);
  }

  .intent-title {
    font-size: var(--font-lg);
  }

  .intent-description {
    font-size: var(--font-sm);
  }

  .brand-title {
    font-size: var(--font-xl);
  }

  .workflow-title {
    font-size: var(--font-xl);
  }

  .quick-setup-card::before {
    font-size: 9px;
    padding: var(--space-1) var(--space-2);
  }
}

/* ==========================================================================
   16. Print Styles
   ========================================================================== */
@media print {
  .main-nav,
  .nav-right,
  .mode-nav,
  .system-log,
  .log-viewer-panel,
  .advanced-toggle {
    display: none !important;
  }

  .workspace,
  .start-screen {
    margin-top: 0;
  }

  .zone-card,
  .control-card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* ==========================================================================
   Contextual Help System
   ========================================================================== */

.contextual-help {
  margin: var(--space-3) 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contextual-help.collapsed .help-content {
  max-height: 0;
  opacity: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

.contextual-help:not(.collapsed) .help-content {
  max-height: 2000px;
  opacity: 1;
  transition:
    max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s ease 0.1s;
}

.help-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: var(--font-sm);
  font-weight: 500;
  text-align: left;
  transition: all 0.2s ease;
}

.help-toggle:hover {
  background: var(--bg-hover);
  color: var(--color-primary);
}

.help-icon {
  font-size: 1.1em;
  flex-shrink: 0;
}

.help-title {
  flex: 1;
}

.help-chevron {
  font-size: 0.7em;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.contextual-help:not(.collapsed) .help-chevron {
  transform: rotate(180deg);
}

.help-content {
  transition:
    max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s ease,
    padding 0.3s ease;
  overflow: hidden;
}

.help-content-inner {
  padding: 0 var(--space-4) var(--space-4) var(--space-4);
  color: var(--text-secondary);
  font-size: var(--font-sm);
  line-height: 1.6;
}

.help-section-heading {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--space-3) 0 var(--space-2) 0;
}

.help-section-heading:first-child {
  margin-top: 0;
}

.help-text {
  margin: var(--space-2) 0;
  color: var(--text-secondary);
}

.help-list {
  margin: var(--space-2) 0;
  padding-left: var(--space-5);
  color: var(--text-secondary);
}

.help-list li {
  margin: var(--space-1) 0;
}

.help-example {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  background: var(--bg-base);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  color: var(--text-primary);
}

.help-example strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-primary);
  font-family: var(--font-sans);
}

.help-warning {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  background: rgba(255, 152, 0, 0.1);
  border-left: 3px solid var(--amber-500);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: start;
  gap: var(--space-2);
}

.help-warning .warning-icon {
  flex-shrink: 0;
  font-size: 1.2em;
}

.help-tip {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  background: rgba(0, 212, 255, 0.1);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: start;
  gap: var(--space-2);
}

.help-tip .tip-icon {
  flex-shrink: 0;
  font-size: 1.2em;
}

/* Help Mode Toggle */
#helpModeToggle {
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

#helpModeToggle:hover {
  opacity: 1;
}

/* Hide all help when help mode is disabled */
.help-mode-disabled .contextual-help {
  display: none;
}

/* Compact help panels */
.contextual-help.compact {
  margin: var(--space-2) 0;
}

.contextual-help.compact .help-toggle {
  padding: var(--space-2);
  font-size: var(--font-xs);
}

.contextual-help.compact .help-content-inner {
  padding: 0 var(--space-3) var(--space-3) var(--space-3);
  font-size: var(--font-xs);
}

/* Help panel in sidebars */
.control-card .contextual-help,
.zone-card .contextual-help {
  margin: var(--space-3) 0 0 0;
  border: 1px solid var(--border-subtle);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .help-content-inner {
    padding: 0 var(--space-3) var(--space-3) var(--space-3);
  }

  .help-example,
  .help-warning,
  .help-tip {
    padding: var(--space-2);
    font-size: var(--font-xs);
  }
}

/* Print: hide help panels */
@media print {
  .contextual-help {
    display: none !important;
  }
}

/* ==========================================================================
   Workflow Presets System
   ========================================================================== */

/* Floating Action Button */
.workflow-fab {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--cyan-600) 100%);
  color: white;
  font-size: 1.5rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.workflow-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.6);
}

.workflow-fab:active {
  transform: scale(0.95);
}

/* Panel */
.workflow-panel {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.workflow-panel.hidden {
  display: none;
}

.workflow-panel.active {
  opacity: 1;
}

.workflow-panel-content {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  max-width: 900px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.workflow-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: var(--bg-elevated);
  z-index: 1;
}

.workflow-panel-header h3 {
  margin: 0;
  font-size: var(--font-xl);
  color: var(--text-primary);
}

.workflow-close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.workflow-close-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.workflow-panel-description {
  padding: 0 var(--space-5);
  margin: var(--space-3) 0;
  color: var(--text-secondary);
  font-size: var(--font-sm);
}

.workflow-categories {
  padding: var(--space-4) var(--space-5) var(--space-5);
}

.workflow-category {
  margin-bottom: var(--space-6);
}

.workflow-category:last-child {
  margin-bottom: 0;
}

.workflow-category-title {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-3) 0;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
}

.workflow-presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}

.workflow-preset-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.workflow-preset-card:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 212, 255, 0.2);
}

.workflow-preset-card:active {
  transform: translateY(0);
}

.workflow-preset-icon {
  font-size: 2rem;
  margin-bottom: var(--space-1);
}

.workflow-preset-name {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.workflow-preset-description {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

.workflow-preset-requirements {
  font-size: var(--font-xs);
  color: var(--amber-500);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-subtle);
}

/* Responsive */
@media (max-width: 768px) {
  .workflow-fab {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  .workflow-panel {
    padding: var(--space-2);
  }

  .workflow-panel-content {
    max-height: 90vh;
  }

  .workflow-presets-grid {
    grid-template-columns: 1fr;
  }

  .workflow-panel-header {
    padding: var(--space-4);
  }

  .workflow-panel-description,
  .workflow-categories {
    padding: 0 var(--space-4);
  }

  .workflow-categories {
    padding-bottom: var(--space-4);
  }
}

/* Print: hide workflow elements */
@media print {
  .workflow-fab,
  .workflow-panel {
    display: none !important;
  }
}

/* ==========================================================================
   Security Audit System
   ========================================================================== */

/* Security Indicator */
.security-indicator {
  position: fixed;
  top: calc(var(--nav-height) + var(--space-4));
  right: var(--space-4);
  z-index: 999;
}

.security-indicator.hidden {
  display: none;
}

.security-indicator-btn {
  position: relative;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.security-indicator-btn:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.security-icon {
  font-size: 1.2rem;
}

.security-badge {
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  font-size: var(--font-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  padding: 0 var(--space-1);
}

.security-badge.critical {
  background: var(--log-error);
}

.security-badge.warning {
  background: var(--amber-500);
}

.security-badge.info {
  background: var(--color-primary);
}

/* Security Audit Panel */
.security-audit-panel {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  width: 400px;
  max-width: 90vw;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: slideDown 0.2s ease;
}

.security-audit-panel.hidden {
  display: none;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.security-audit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-surface);
}

.security-audit-header h3 {
  margin: 0;
  font-size: var(--font-base);
  color: var(--text-primary);
}

.security-audit-close {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.security-audit-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.security-audit-content {
  padding: var(--space-4);
  overflow-y: auto;
  max-height: 60vh;
}

.security-audit-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: var(--space-6) var(--space-4);
  font-size: var(--font-sm);
}

/* Security Issue */
.security-issue {
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  border-radius: var(--radius-md);
  border-left: 3px solid;
}

.security-issue:last-child {
  margin-bottom: 0;
}

.security-issue.severity-critical {
  background: rgba(211, 47, 47, 0.1);
  border-left-color: var(--log-error);
}

.security-issue.severity-warning {
  background: rgba(255, 152, 0, 0.1);
  border-left-color: var(--amber-500);
}

.security-issue.severity-info {
  background: rgba(0, 212, 255, 0.1);
  border-left-color: var(--color-primary);
}

.security-issue-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.security-issue-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.security-issue-title {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.security-issue-description {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin: var(--space-2) 0;
  line-height: 1.5;
}

.security-issue-recommendation {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin: var(--space-2) 0;
  padding: var(--space-2);
  background: var(--bg-base);
  border-radius: var(--radius-sm);
}

.security-issue-recommendation strong {
  color: var(--text-primary);
}

.security-issue-action {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.security-issue-action:hover {
  background: var(--cyan-600);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 212, 255, 0.3);
}

.security-issue-action:active {
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .security-indicator {
    top: calc(var(--nav-height) + var(--space-2));
    right: var(--space-2);
  }

  .security-audit-panel {
    width: calc(100vw - var(--space-4));
    right: 0;
  }
}

/* Print: hide security indicator */
@media print {
  .security-indicator {
    display: none !important;
  }
}

/* ==========================================================================
   Settings Modal
   ========================================================================== */

/* Body state when modal is open */
body.settings-modal-open {
  overflow: hidden;
}

/* Modal Overlay */
.settings-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-fast);
  padding: var(--space-4);
}

/* Modal Container */
.settings-modal {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 900px;
  max-height: calc(100vh - var(--space-8));
  display: flex;
  flex-direction: column;
  animation: slideUp var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Modal Header */
.settings-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.settings-modal-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.settings-modal-title h2 {
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.settings-icon {
  font-size: var(--font-xl);
}

.settings-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-size: var(--font-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.settings-close-btn:hover {
  background: rgba(244, 63, 94, 0.15);
  color: var(--color-danger);
}

/* Modal Body */
.settings-modal-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Settings Sidebar */
.settings-sidebar {
  width: 200px;
  flex-shrink: 0;
  padding: var(--space-4);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  overflow-y: auto;
}

.settings-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-size: var(--font-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
}

.settings-nav-item:hover {
  background: rgba(167, 139, 250, 0.1);
  color: var(--text-secondary);
}

.settings-nav-item.active {
  background: rgba(167, 139, 250, 0.15);
  color: var(--color-primary);
}

.nav-item-icon {
  font-size: var(--font-md);
}

.nav-item-label {
  flex: 1;
}

/* Settings Content */
.settings-content {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
}

.settings-content-section {
  display: none;
}

.settings-content-section.active {
  display: block;
  animation: fadeIn var(--transition-fast);
}

.settings-section-title {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-6) 0;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Settings Groups */
.settings-group {
  margin-bottom: var(--space-5);
}

.settings-label {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.settings-hint {
  font-size: var(--font-xs);
  font-weight: 400;
  color: var(--text-quaternary);
}

.settings-input {
  width: 100%;
  max-width: 300px;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: var(--font-sm);
  font-family: inherit;
  transition: all var(--transition-fast);
}

.settings-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.2);
}

/* Settings Checkbox */
.settings-checkbox {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.settings-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.settings-checkbox .settings-hint {
  flex-basis: 100%;
  margin-left: calc(18px + var(--space-3));
}

/* Settings Actions */
.settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Responsive */
@media (max-width: 640px) {
  .settings-modal {
    max-height: 100vh;
    border-radius: 0;
  }

  .settings-modal-body {
    flex-direction: column;
  }

  .settings-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2);
    gap: var(--space-1);
  }

  .settings-nav-item {
    flex-shrink: 0;
    padding: var(--space-2) var(--space-3);
    white-space: nowrap;
  }

  .nav-item-label {
    display: none;
  }

  .nav-item-icon {
    font-size: var(--font-lg);
  }

  .settings-content {
    padding: var(--space-4);
  }

  .settings-actions {
    flex-direction: column;
  }

  .settings-actions button {
    width: 100%;
  }
}