/* ═══════════════════════════════════════════════════════════════
   CapturaAI — Glassmorphism Dark-Mode Design System
   Complete CSS for the 4-Style Video Captioning Platform
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────
   DESIGN TOKENS (CSS Custom Properties)
   ───────────────────────────────────────────── */
:root {
  /* Background palette */
  --bg-base: #0a0a0f;
  --bg-gradient-start: #1a1a2e;
  --bg-gradient-end: #000000;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-bg-hover: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  --glass-blur: blur(24px) saturate(180%);

  /* Text */
  --text-primary: #e8e8f0;
  --text-secondary: #8b8b9e;
  --text-accent: #a78bfa;

  /* Accents */
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --gradient-accent: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --accent-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 102, 241, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);

  /* Badge style colors */
  --style-formal: #60a5fa;
  --style-sarcastic: #f472b6;
  --style-humorous-tech: #a78bfa;
  --style-humorous-nontech: #34d399;

  /* Badge glow */
  --glow-formal: 0 0 12px rgba(96, 165, 250, 0.4);
  --glow-sarcastic: 0 0 12px rgba(244, 114, 182, 0.4);
  --glow-humorous-tech: 0 0 12px rgba(167, 139, 250, 0.4);
  --glow-humorous-nontech: 0 0 12px rgba(52, 211, 153, 0.4);

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Layout */
  --header-height: 64px;
  --content-max-width: 1440px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─────────────────────────────────────────────
   RESET & BASE
   ───────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: #050508;
  background-image: 
    radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.12) 0%, transparent 60%),
    radial-gradient(circle at center, rgba(5, 5, 8, 0.55) 0%, rgba(5, 5, 8, 0.95) 100%),
    url('landing_bg.jpg');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  font-feature-settings: "ss01", "ss02";
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  text-wrap: balance;
  font-feature-settings: "ss01", "ss02";
}

h1 { letter-spacing: -0.05em; }
h2 { letter-spacing: -0.04em; }
h3 { letter-spacing: -0.03em; }
h4, h5, h6 { letter-spacing: -0.02em; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font-size: inherit;
}

input {
  font-family: inherit;
  border: none;
  background: none;
  color: inherit;
  outline: none;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ─────────────────────────────────────────────
   GLASSMORPHISM PANEL (universal)
   ───────────────────────────────────────────── */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease-out);
}

.glass-panel:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.glass-btn {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  user-select: none;
}

.glass-btn:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--accent-glow);
  transform: translateY(-1px);
}

.glass-btn:active {
  transform: translateY(0) scale(0.97);
}

/* ─────────────────────────────────────────────
   ANIMATED GRADIENT MESH BACKGROUND
   ───────────────────────────────────────────── */
.gradient-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  will-change: transform;
}

.mesh-blob--purple {
  width: 600px;
  height: 600px;
  background: #4c1d95;
  top: -10%;
  left: -5%;
  animation: meshFloat1 20s ease-in-out infinite;
}

.mesh-blob--blue {
  width: 500px;
  height: 500px;
  background: #1e3a8a;
  top: 30%;
  right: -10%;
  animation: meshFloat2 20s ease-in-out infinite;
}

.mesh-blob--indigo {
  width: 550px;
  height: 550px;
  background: #312e81;
  bottom: -15%;
  left: 30%;
  animation: meshFloat3 20s ease-in-out infinite;
}

@keyframes meshFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(80px, 60px) scale(1.1); }
  66% { transform: translate(-40px, 120px) scale(0.95); }
}

@keyframes meshFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-100px, 50px) scale(1.05); }
  66% { transform: translate(60px, -80px) scale(1.12); }
}

@keyframes meshFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -90px) scale(1.08); }
  66% { transform: translate(-80px, 40px) scale(0.92); }
}

/* ─────────────────────────────────────────────
   FLOATING PARTICLES
   ───────────────────────────────────────────── */
.particles-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  opacity: 0.08;
  will-change: transform;
}

@keyframes particleDrift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(var(--drift-x1), var(--drift-y1)); }
  50% { transform: translate(var(--drift-x2), var(--drift-y2)); }
  75% { transform: translate(var(--drift-x3), var(--drift-y3)); }
  100% { transform: translate(0, 0); }
}

/* ─────────────────────────────────────────────
   HEADER
   ───────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-radius: 0;
  border-top: none;
  border-left: none;
  border-right: none;
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-xl);
  background: rgba(10, 10, 15, 0.65) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  transition: background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.app-header:hover {
  transform: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* Center navigation links */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-nav .nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: all 0.2s var(--ease-out);
  text-decoration: none;
}

.header-nav .nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.header-nav .nav-link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-indigo);
}

/* Right side actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0 !important;
  border-radius: var(--radius-full) !important;
  color: var(--text-secondary) !important;
  transition: all 0.2s var(--ease-out);
}

.header-icon-btn:hover {
  color: var(--text-primary) !important;
  border-color: var(--glass-border-hover) !important;
  box-shadow: var(--accent-glow) !important;
  transform: translateY(-1px);
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  transition: all 0.3s var(--ease-out);
}

.header-logo:hover {
  transform: translateY(-1px);
  filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.3));
}

.logo-icon {
  display: flex;
  filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.25));
  transition: transform 0.3s var(--ease-spring);
}

.header-logo:hover .logo-icon {
  transform: scale(1.08) rotate(-3deg);
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
}

.logo-name {
  font-family: 'Lexend', sans-serif;
  color: #ffffff;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.logo-text--accent {
  font-family: 'Lexend', sans-serif;
  font-weight: 800;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.4));
  position: relative;
}

/* Header buttons */
.header-btn {
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.header-btn span {
  font-weight: 500;
}

/* API key */
.api-key-wrapper {
  flex: 1;
  max-width: 380px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: auto;
}

.api-key-field {
  position: relative;
  flex: 1;
}

.api-key-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-right: 36px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.api-key-input::placeholder {
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.8125rem;
}

.api-key-input:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.api-key-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  padding: 4px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.2s;
}

.api-key-toggle:hover {
  color: var(--text-primary);
}

/* API key badge */
.api-key-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--success);
  white-space: nowrap;
  opacity: 1;
  transition: opacity 0.3s var(--ease-out);
}

.api-key-badge--hidden {
  opacity: 0;
  pointer-events: none;
}

.api-key-badge--invalid {
  color: var(--error);
}

/* ─────────────────────────────────────────────
   MAIN CONTENT AREA
   ───────────────────────────────────────────── */
.app-main {
  position: relative;
  z-index: 1;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-xl);
}

/* ─────────────────────────────────────────────
   UPLOAD ZONE
   ───────────────────────────────────────────── */
.upload-section {
  margin-bottom: var(--spacing-2xl);
}

.upload-zone {
  position: relative;
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl) var(--spacing-xl);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.35s var(--ease-out);
  background: transparent;
  /* animated dashed border */
  background-image: none;
  animation: dashRotate 15s linear infinite;
}

@keyframes dashRotate {
  0% { border-color: rgba(255, 255, 255, 0.15); }
  50% { border-color: rgba(255, 255, 255, 0.25); }
  100% { border-color: rgba(255, 255, 255, 0.15); }
}

.upload-zone:focus-visible {
  outline: 2px solid var(--accent-indigo);
  outline-offset: 4px;
}

/* Drag over state */
.upload-zone--dragover {
  border-color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: var(--accent-glow), inset 0 0 60px rgba(99, 102, 241, 0.05);
  transform: scale(1.02);
}

.upload-zone--uploading {
  pointer-events: none;
}

.upload-zone__content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  z-index: 1;
}

.upload-zone__icon {
  color: var(--text-secondary);
  transition: color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.upload-zone--dragover .upload-zone__icon {
  color: var(--accent-indigo);
  transform: translateY(-8px);
}

.upload-zone__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.upload-zone__subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  max-width: 400px;
}

/* Upload progress bar */
.upload-progress {
  width: 100%;
  max-width: 320px;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
  display: none;
}

.upload-progress--visible {
  display: block;
}

.upload-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-indigo), #a78bfa);
  border-radius: var(--radius-pill);
  transition: width 0.2s var(--ease-out);
  position: relative;
}

.upload-progress__fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmerFill 1.5s linear infinite;
}

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

.upload-progress__text {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Upload ripple */
.upload-zone__ripple {
  position: absolute;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.15);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
}

.upload-zone__ripple--active {
  animation: uploadRipple 0.8s var(--ease-out) forwards;
}

@keyframes uploadRipple {
  0% {
    width: 0;
    height: 0;
    opacity: 0.5;
  }
  100% {
    width: 800px;
    height: 800px;
    opacity: 0;
  }
}

/* ─────────────────────────────────────────────
   NO AUDIO BADGE
   ───────────────────────────────────────────── */
.no-audio-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-pill);
  color: var(--warning);
  font-size: 0.8125rem;
  font-weight: 500;
  width: fit-content;
  margin: 0 auto var(--spacing-lg);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.no-audio-badge--hidden {
  display: none;
}

/* ─────────────────────────────────────────────
   VIDEO QUADRANTS GRID
   ───────────────────────────────────────────── */
.quadrants-section {
  margin-bottom: var(--spacing-lg);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.quadrants-section--hidden {
  display: none;
}

.quadrants-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

/* Quadrant card */
.quadrant-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  transition: all 0.3s var(--ease-out);
  display: flex;
  flex-direction: column;
}

.quadrant-card:hover {
  transform: scale(1.02);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-card-hover);
}



/* Style badge */
.quadrant-badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  z-index: 10;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s var(--ease-spring);
}

.quadrant-card:hover .quadrant-badge {
  transform: scale(1.05);
}

.quadrant-badge--formal {
  background: rgba(96, 165, 250, 0.25);
  border: 1px solid rgba(96, 165, 250, 0.4);
  box-shadow: var(--glow-formal);
  color: var(--style-formal);
}

.quadrant-badge--sarcastic {
  background: rgba(244, 114, 182, 0.25);
  border: 1px solid rgba(244, 114, 182, 0.4);
  box-shadow: var(--glow-sarcastic);
  color: var(--style-sarcastic);
}

.quadrant-badge--humorous-tech {
  background: rgba(167, 139, 250, 0.25);
  border: 1px solid rgba(167, 139, 250, 0.4);
  box-shadow: var(--glow-humorous-tech);
  color: var(--style-humorous-tech);
}

.quadrant-badge--humorous-nontech {
  background: rgba(52, 211, 153, 0.25);
  border: 1px solid rgba(52, 211, 153, 0.4);
  box-shadow: var(--glow-humorous-nontech);
  color: var(--style-humorous-nontech);
}

/* Video wrapper inside quadrant card to maintain 16:9 ratio */
.quadrant-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
  background: #000;
}

/* Embedded caption card overrides */
.quadrant-card .caption-card {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  box-shadow: none;
  margin: 0;
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.quadrant-card .caption-card__text {
  min-height: 70px;
  font-size: 0.875rem;
  line-height: 1.5;
  padding: 0;
  margin-bottom: var(--spacing-sm);
}

.quadrant-card .caption-card__label {
  margin-top: 0.5rem;
}

/* Download button at the bottom of the card */
.quadrant-download-btn {
  width: 100%;
  padding: 12px var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border: none;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}

.quadrant-download-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.quadrant-download-btn--formal:hover {
  color: var(--style-formal);
  background: rgba(96, 165, 250, 0.1);
}
.quadrant-download-btn--sarcastic:hover {
  color: var(--style-sarcastic);
  background: rgba(244, 114, 182, 0.1);
}
.quadrant-download-btn--humorous-tech:hover {
  color: var(--style-humorous-tech);
  background: rgba(167, 139, 250, 0.1);
}
.quadrant-download-btn--humorous-nontech:hover {
  color: var(--style-humorous-nontech);
  background: rgba(52, 211, 153, 0.1);
}

/* Shimmer / Loading state for download */
.quadrant-download-btn.download-state--loading {
  pointer-events: none;
  background: rgba(255, 255, 255, 0.05);
}
.quadrant-download-btn.download-state--loading .download-icon {
  animation: spin 1s linear infinite;
}
.quadrant-download-btn.download-state--complete {
  background: rgba(16, 185, 129, 0.15) !important;
  color: #10b981 !important;
  border-top-color: rgba(16, 185, 129, 0.3) !important;
}

/* Individual play button (Centered) */
.quadrant-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  z-index: 10;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  transition: all 0.3s var(--ease-out);
  opacity: 0.85;
}

.quadrant-play-btn:hover {
  background: rgba(99, 102, 241, 0.4);
  border-color: var(--accent-indigo);
  box-shadow: var(--accent-glow);
  transform: translate(-50%, -50%) scale(1.1);
  opacity: 1;
}

/* When video is playing, hide the button unless hovered */
.quadrant-card.is-playing .quadrant-play-btn {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.8);
}

.quadrant-card.is-playing:hover .quadrant-play-btn {
  opacity: 0.9;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

/* Video element */
.quadrant-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-md);
  display: block;
}

/* Timestamp indicator */
.quadrant-timestamp {
  position: absolute;
  bottom: var(--spacing-sm);
  right: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  z-index: 10;
}

/* Video spinner overlay */
.quadrant-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 15, 0.6);
  z-index: 5;
  transition: opacity 0.3s var(--ease-out);
}

.quadrant-spinner--hidden {
  opacity: 0;
  pointer-events: none;
}

/* Dual ring spinner */
.dual-ring {
  position: relative;
  width: 40px;
  height: 40px;
}

.dual-ring__outer {
  position: absolute;
  inset: 0;
  border: 3px solid transparent;
  border-top-color: var(--accent-indigo);
  border-radius: 50%;
  animation: spinCW 1s linear infinite;
}

.dual-ring__inner {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 3px solid transparent;
  border-top-color: #a78bfa;
  border-radius: 50%;
  animation: spinCCW 0.8s linear infinite;
}

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

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

/* ─────────────────────────────────────────────
   SYNC PLAYBACK CONTROLS
   ───────────────────────────────────────────── */
.playback-section {
  margin-bottom: var(--spacing-2xl);
  transition: opacity 0.4s var(--ease-out);
}

.playback-section--hidden {
  display: none;
}

.playback-controls {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-pill);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.playback-controls:hover {
  transform: none;
}

.playback-controls__buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.playback-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all 0.25s var(--ease-out);
}

.playback-btn:hover {
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.25);
}

.playback-btn--primary {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.playback-btn__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* Seek bar */
.playback-controls__seek {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.seek-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  min-width: 36px;
  text-align: center;
}

.seek-bar {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  outline: none;
  cursor: pointer;
  transition: height 0.2s var(--ease-out);
}

.seek-bar:hover {
  height: 6px;
}

.seek-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-indigo);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5), 0 0 4px rgba(99, 102, 241, 0.8);
  cursor: pointer;
  transition: transform 0.2s var(--ease-spring);
}

.seek-bar::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

.seek-bar::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-indigo);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
  border: none;
  cursor: pointer;
}

/* Seek bar active track */
.seek-bar::-webkit-slider-runnable-track {
  background: linear-gradient(to right, var(--accent-indigo) var(--seek-pct, 0%), rgba(255, 255, 255, 0.1) var(--seek-pct, 0%));
  height: inherit;
  border-radius: var(--radius-pill);
}

/* ─────────────────────────────────────────────
   CAPTION CARDS
   ───────────────────────────────────────────── */
.captions-section {
  margin-bottom: var(--spacing-2xl);
  transition: opacity 0.4s var(--ease-out);
}

.captions-section--hidden {
  display: none;
}

.captions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

/* Caption card */
.caption-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--spacing-lg);
  transition: all 0.3s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.caption-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

/* 4px colored left border */
.caption-card--formal { border-left: 4px solid var(--style-formal); }
.caption-card--sarcastic { border-left: 4px solid var(--style-sarcastic); }
.caption-card--humorous-tech { border-left: 4px solid var(--style-humorous-tech); }
.caption-card--humorous-nontech { border-left: 4px solid var(--style-humorous-nontech); }

.caption-card:hover.caption-card--formal { box-shadow: var(--shadow-card-hover), var(--glow-formal); }
.caption-card:hover.caption-card--sarcastic { box-shadow: var(--shadow-card-hover), var(--glow-sarcastic); }
.caption-card:hover.caption-card--humorous-tech { box-shadow: var(--shadow-card-hover), var(--glow-humorous-tech); }
.caption-card:hover.caption-card--humorous-nontech { box-shadow: var(--shadow-card-hover), var(--glow-humorous-nontech); }

/* Caption style label */
.caption-card__label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 0.85rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.caption-card__label::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 6px;
  background-color: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.caption-card__label--formal {
  color: #818cf8;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.caption-card__label--sarcastic {
  color: #c084fc;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.caption-card__label--humorous-tech {
  color: #22d3ee;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.caption-card__label--humorous-nontech {
  color: #f472b6;
  background: rgba(236, 72, 153, 0.15);
  border: 1px solid rgba(236, 72, 153, 0.3);
}

/* Caption text */
.caption-card__text {
  font-family: var(--caption-font-family, var(--font-body));
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-primary);
  min-height: 60px;
  cursor: text;
  user-select: text;
  outline: none;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: border-color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.caption-card__text--editing {
  border-color: var(--warning);
  background: rgba(245, 158, 11, 0.04);
}

/* Action buttons */
.caption-card__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.caption-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}

.caption-action-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.caption-action-btn--copied {
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.3);
}

.caption-action-btn--loading {
  opacity: 0.5;
  pointer-events: none;
  cursor: wait;
}
.caption-action-btn--loading svg {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Character count */
.caption-card__charcount {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-secondary);
  margin-left: auto;
  opacity: 0.6;
}

/* ─────────────────────────────────────────────
   EXPORT BAR
   ───────────────────────────────────────────── */
.export-section {
  width: 100%;
  margin-top: 3rem;
  margin-bottom: 2rem;
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.export-section--hidden {
  display: none !important;
}

.export-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 2.25rem 2.5rem;
  border-radius: 24px;
  background: rgba(10, 10, 15, 0.45) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 100px rgba(99, 102, 241, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
  backdrop-filter: blur(32px) !important;
  -webkit-backdrop-filter: blur(32px) !important;
}

.export-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.export-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.export-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  width: 100%;
}

.export-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.export-btn:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--accent-glow);
}

.export-btn--json { border-left: 3px solid var(--style-formal); }
.export-btn--srt { border-left: 3px solid var(--style-sarcastic); }
.export-btn--videos { border-left: 3px solid var(--style-humorous-tech); }
.export-btn--report { border-left: 3px solid var(--style-humorous-nontech); }

.export-btn--zip {
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
  box-shadow: var(--accent-glow);
  font-weight: 600;
}

.export-btn--zip:hover {
  background: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 28px rgba(99, 102, 241, 0.4);
}

/* Export button spinner / checkmark states */
.export-btn__icon {
  display: flex;
  align-items: center;
  transition: transform 0.3s var(--ease-spring);
}

.export-btn--loading .export-btn__icon {
  animation: spinCW 0.8s linear infinite;
}

.export-btn--done .export-btn__icon {
  color: var(--success);
}

.export-btn--done {
  border-color: rgba(16, 185, 129, 0.3);
}

/* ─────────────────────────────────────────────
   SKELETON LOADING
   ───────────────────────────────────────────── */
.skeleton-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.skeleton-line {
  height: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.skeleton-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  animation: shimmerSkeleton 1.8s linear infinite;
}

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

.skeleton-line--full { width: 100%; }
.skeleton-line--medium { width: 80%; }
.skeleton-line--short { width: 60%; }

/* ─────────────────────────────────────────────
   STAGGERED CARD REVEAL
   ───────────────────────────────────────────── */
.reveal-card {
  opacity: 0;
  transform: translateY(20px);
  animation: revealFadeUp 0.5s var(--ease-out) forwards;
}

.reveal-card:nth-child(1) { animation-delay: 0s; }
.reveal-card:nth-child(2) { animation-delay: 0.15s; }
.reveal-card:nth-child(3) { animation-delay: 0.3s; }
.reveal-card:nth-child(4) { animation-delay: 0.45s; }

@keyframes revealFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─────────────────────────────────────────────
   PROCESSING MODAL
   ───────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity 0.4s var(--ease-out);
  padding: var(--spacing-lg);
}

.modal-backdrop--hidden {
  opacity: 0;
  pointer-events: none;
}

/* Processing modal card */
.processing-modal {
  width: 100%;
  max-width: 480px;
  padding: var(--spacing-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.processing-modal:hover {
  transform: none;
}

/* Radial glow behind the SVG */
.processing-modal__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  transform: translate(-50%, -70%);
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.processing-modal__svg-wrap {
  position: relative;
  z-index: 1;
  margin-bottom: var(--spacing-lg);
}

.processing-modal__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  position: relative;
  z-index: 1;
}

.processing-modal__subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

/* Progress timeline */
.progress-timeline {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
  position: relative;
  z-index: 1;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: background 0.3s var(--ease-out);
}

.progress-step--active {
  background: rgba(99, 102, 241, 0.06);
}

.progress-step--complete {
  background: rgba(16, 185, 129, 0.04);
}

/* Step status indicator */
.step-indicator {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}

.step-indicator--pending {
  background: rgba(255, 255, 255, 0.06);
}

.step-indicator--pending::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.step-indicator--active {
  background: rgba(99, 102, 241, 0.2);
}

.step-indicator--active::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-indigo);
  animation: indicatorPulse 1.2s ease-in-out infinite;
}

@keyframes indicatorPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.step-indicator--active .step-ring {
  position: absolute;
  inset: -4px;
  border: 2px solid var(--accent-indigo);
  border-radius: 50%;
  opacity: 0.3;
  animation: ringRipple 1.5s ease-out infinite;
}

@keyframes ringRipple {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.6); opacity: 0; }
}

.step-indicator--complete {
  background: rgba(16, 185, 129, 0.2);
  animation: scaleInCheck 0.35s var(--ease-spring);
}

@keyframes scaleInCheck {
  0% { transform: scale(0.8); }
  100% { transform: scale(1); }
}

.step-indicator--complete svg {
  color: var(--success);
}

.step-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color 0.3s var(--ease-out);
}

.progress-step--active .step-label {
  color: var(--text-primary);
}

.progress-step--complete .step-label {
  color: var(--success);
}

/* Step animation container */
.step-anim {
  margin-left: auto;
  display: flex;
  align-items: center;
  min-width: 60px;
  justify-content: center;
}

/* Orbiting dots (step 1) */
.orbiting-dots {
  position: relative;
  width: 24px;
  height: 24px;
}

.orbiting-dot {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-indigo);
  top: 50%;
  left: 50%;
  animation: orbit 1.2s linear infinite;
}

.orbiting-dot:nth-child(1) { animation-delay: 0s; }
.orbiting-dot:nth-child(2) { animation-delay: 0.4s; }
.orbiting-dot:nth-child(3) { animation-delay: 0.8s; }

@keyframes orbit {
  0% { transform: translate(-50%, -50%) rotate(0deg) translateX(10px); }
  100% { transform: translate(-50%, -50%) rotate(360deg) translateX(10px); }
}

/* Waveform bars (step 2) */
.waveform-bars {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 20px;
}

.waveform-bar {
  width: 3px;
  background: var(--accent-indigo);
  border-radius: 2px;
  animation: waveform 0.8s ease-in-out infinite alternate;
}

.waveform-bar:nth-child(1) { animation-delay: 0s; height: 8px; }
.waveform-bar:nth-child(2) { animation-delay: 0.1s; height: 14px; }
.waveform-bar:nth-child(3) { animation-delay: 0.2s; height: 6px; }
.waveform-bar:nth-child(4) { animation-delay: 0.3s; height: 18px; }
.waveform-bar:nth-child(5) { animation-delay: 0.4s; height: 10px; }

@keyframes waveform {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1); }
}

/* Typing cursor (step 3) */
.typing-cursor {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
  position: relative;
}

.typing-cursor::after {
  content: '▌';
  animation: blink 0.7s step-end infinite;
  color: var(--accent-indigo);
}

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

/* Style dots (step 4) */
.style-dots {
  display: flex;
  gap: 4px;
}

.style-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.style-dot--filled-formal { background: var(--style-formal); box-shadow: var(--glow-formal); }
.style-dot--filled-sarcastic { background: var(--style-sarcastic); box-shadow: var(--glow-sarcastic); }
.style-dot--filled-humorous-tech { background: var(--style-humorous-tech); box-shadow: var(--glow-humorous-tech); }
.style-dot--filled-humorous-nontech { background: var(--style-humorous-nontech); box-shadow: var(--glow-humorous-nontech); }

/* Progress bar shimmer (step 5) */
.burn-progress {
  width: 80px;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.burn-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-indigo), #a78bfa);
  border-radius: var(--radius-pill);
  transition: width 0.3s var(--ease-out);
  position: relative;
}

.burn-progress__fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmerFill 1.5s linear infinite;
}

/* Confetti (step 6) */
.confetti-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 10;
}

.confetti-piece {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  opacity: 0;
  animation: confettiFall 2s var(--ease-out) forwards;
}

@keyframes confettiFall {
  0% {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(var(--confetti-x), var(--confetti-y)) rotate(720deg) scale(0.2);
  }
}

/* Ready checkmark */
.ready-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
  animation: scaleInCheck 0.4s var(--ease-spring);
}

/* ─────────────────────────────────────────────
   ZIP MODAL
   ───────────────────────────────────────────── */
.zip-modal {
  width: 100%;
  max-width: 400px;
  padding: var(--spacing-xl);
}

.zip-modal:hover {
  transform: none;
}

.zip-modal__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.zip-modal__subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.zip-modal__options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.zip-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  transition: background 0.2s var(--ease-out);
}

.zip-option:hover {
  background: rgba(255, 255, 255, 0.03);
}

.zip-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.zip-option__check {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s var(--ease-out);
}

.zip-checkbox:checked ~ .zip-option__check {
  background: var(--accent-indigo);
  border-color: var(--accent-indigo);
}

.zip-checkbox:checked ~ .zip-option__check::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

/* ZIP progress */
.zip-progress-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.zip-progress-wrapper--hidden {
  display: none;
}

.zip-progress-svg {
  transform: rotate(-90deg);
}

.zip-progress-bar {
  transition: stroke-dashoffset 0.3s var(--ease-out);
}

.zip-progress-pct {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.zip-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

.zip-modal__btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.zip-modal__btn--primary {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
}

.zip-modal__btn--primary:hover {
  background: rgba(99, 102, 241, 0.3);
  box-shadow: var(--accent-glow);
}

/* ─────────────────────────────────────────────
   TOAST NOTIFICATIONS
   ───────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + var(--spacing-md));
  right: var(--spacing-lg);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
  max-width: 380px;
}

.toast {
  pointer-events: all;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: rgba(15, 15, 25, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  font-size: 0.875rem;
  color: var(--text-primary);
  animation: toastSlideIn 0.4s var(--ease-out);
  transition: all 0.3s var(--ease-out);
}

.toast--success { border-left: 4px solid var(--success); }
.toast--error { border-left: 4px solid var(--error); }
.toast--warning { border-left: 4px solid var(--warning); }
.toast--info { border-left: 4px solid var(--accent-indigo); }

.toast--exit {
  animation: toastSlideOut 0.3s var(--ease-out) forwards;
}

.toast__icon {
  flex-shrink: 0;
  display: flex;
}

.toast__close {
  margin-left: auto;
  padding: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  transition: color 0.2s;
}

.toast__close:hover {
  color: var(--text-primary);
}

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

@keyframes toastSlideOut {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ─────────────────────────────────────────────
   ERROR SHAKE ANIMATION
   ───────────────────────────────────────────── */
.shake {
  animation: shake 0.5s var(--ease-out);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.error-glow {
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
  border-color: rgba(239, 68, 68, 0.4) !important;
}

/* ─────────────────────────────────────────────
   DOWNLOAD BUTTON ANIMATION STATES
   ───────────────────────────────────────────── */
.download-state--loading .download-icon {
  animation: spinCW 0.8s linear infinite;
}

.download-state--complete .download-icon {
  color: var(--success);
  animation: scaleBounce 0.4s var(--ease-spring);
}

@keyframes scaleBounce {
  0% { transform: scale(0.5); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ─────────────────────────────────────────────
   PAGE LOAD STAGGER
   ───────────────────────────────────────────── */
.stagger-load {
  opacity: 0;
  transform: translateY(20px);
  animation: revealFadeUp 0.5s var(--ease-out) forwards;
}

.stagger-load:nth-child(1) { animation-delay: 0.1s; }
.stagger-load:nth-child(2) { animation-delay: 0.2s; }
.stagger-load:nth-child(3) { animation-delay: 0.3s; }
.stagger-load:nth-child(4) { animation-delay: 0.4s; }
.stagger-load:nth-child(5) { animation-delay: 0.5s; }

/* ─────────────────────────────────────────────
   CARD FLIP (upload → processing transition)
   ───────────────────────────────────────────── */
.card-flip-wrapper {
  perspective: 1200px;
}

.card-flip {
  transition: transform 0.6s var(--ease-out);
  transform-style: preserve-3d;
}

.card-flip--flipped {
  transform: rotateY(180deg);
}

.card-flip__front,
.card-flip__back {
  backface-visibility: hidden;
}

.card-flip__back {
  transform: rotateY(180deg);
  position: absolute;
  inset: 0;
}

/* ─────────────────────────────────────────────
   NEURAL NETWORK SVG (Processing)
   ───────────────────────────────────────────── */
.neural-node {
  fill: rgba(99, 102, 241, 0.3);
  stroke: var(--accent-indigo);
  stroke-width: 1.5;
  animation: nodePulse 2s ease-in-out infinite;
}

.neural-node:nth-child(2) { animation-delay: 0.33s; fill: rgba(139, 92, 246, 0.3); stroke: #8b5cf6; }
.neural-node:nth-child(3) { animation-delay: 0.66s; fill: rgba(236, 72, 153, 0.3); stroke: #ec4899; }
.neural-node:nth-child(4) { animation-delay: 1s; fill: rgba(99, 102, 241, 0.3); stroke: var(--accent-indigo); }
.neural-node:nth-child(5) { animation-delay: 1.33s; fill: rgba(139, 92, 246, 0.3); stroke: #8b5cf6; }
.neural-node:nth-child(6) { animation-delay: 1.66s; fill: rgba(236, 72, 153, 0.3); stroke: #ec4899; }

@keyframes nodePulse {
  0%, 100% { opacity: 0.5; r: 8; }
  50% { opacity: 1; r: 10; }
}

.neural-line {
  stroke: rgba(99, 102, 241, 0.2);
  stroke-width: 1;
  stroke-dasharray: 8 4;
  animation: lineDash 2s linear infinite;
}

@keyframes lineDash {
  to { stroke-dashoffset: -24; }
}

/* ─────────────────────────────────────────────
   RESPONSIVE DESIGN
   ───────────────────────────────────────────── */

@media (max-width: 768px) {
  .header-nav {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 10, 15, 0.75) !important;
    backdrop-filter: blur(24px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    padding: 8px var(--spacing-md);
    border-radius: var(--radius-pill);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex !important;
    align-items: center;
    gap: var(--spacing-xs);
    width: auto;
    max-width: calc(100% - 40px);
  }
  
  .header-nav .nav-link {
    font-size: 0.775rem;
    padding: 6px 12px;
    white-space: nowrap;
  }
}

/* Tablet: 2×2 grid */
@media (max-width: 1024px) {
  .quadrants-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .captions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-inner {
    gap: var(--spacing-md);
  }

  .api-key-wrapper {
    max-width: 280px;
  }
}

/* Mobile: single column */
@media (max-width: 640px) {
  .quadrants-grid {
    grid-template-columns: 1fr;
  }

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

  .app-main {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .header-inner {
    gap: var(--spacing-sm);
    flex-wrap: wrap;
  }

  .api-key-wrapper {
    order: 10;
    max-width: 100%;
    margin-left: 0;
    width: 100%;
  }

  .app-header {
    height: auto;
    min-height: var(--header-height);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .export-bar {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .export-btn span:not(.export-btn__icon) {
    font-size: 0.75rem;
  }

  .playback-controls__buttons {
    flex-wrap: wrap;
  }

  .processing-modal {
    padding: var(--spacing-lg);
  }

  .upload-zone {
    min-height: 200px;
    padding: var(--spacing-lg) var(--spacing-md);
  }
}

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

  .mesh-blob,
  .particle,
  .dual-ring__outer,
  .dual-ring__inner {
    animation: none !important;
  }

  .glass-panel:hover {
    transform: none;
  }
}

/* ─────────────────────────────────────────────
   PRINT STYLES (for report)
   ───────────────────────────────────────────── */
@media print {
  body {
    background: #fff;
    color: #1a1a2e;
  }

  .gradient-mesh,
  .particles-container,
  .app-header,
  .export-section,
  .playback-section,
  .upload-section,
  .toast-container,
  .modal-backdrop {
    display: none !important;
  }

  .glass-panel,
  .caption-card,
  .quadrant-card {
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 1px solid #e5e5e5;
    box-shadow: none;
    color: #1a1a2e;
  }

  .caption-card__text {
    color: #1a1a2e;
  }

  .app-main {
    padding: 0;
    max-width: 100%;
  }

  .quadrants-grid,
  .captions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

/* ─────────────────────────────────────────────
   SCROLLBAR
   ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ─────────────────────────────────────────────
   UTILITY CLASSES
   ───────────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─────────────────────────────────────────────
   ADDITIONAL ONBOARDING & SETTINGS STYLES
   ───────────────────────────────────────────── */

.header-btn--hidden {
  display: none !important;
}

.settings-select {
  width: 100%;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b8b9e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
  font-feature-settings: "ss01", "ss02";
}

.settings-select:focus-visible {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.settings-select option {
  background: #0f0f15;
  color: var(--text-primary);
}

.config-single {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  width: 100%;
}

/* Upload Onboarding Layout Card */
.upload-container {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 2.5rem;
  align-items: center;
  max-width: 1200px;
  margin: 2.5rem auto 0 auto;
  padding: 2rem 2.25rem;
  background: rgba(10, 10, 15, 0.45) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 24px;
  backdrop-filter: blur(32px) !important;
  -webkit-backdrop-filter: blur(32px) !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 100px rgba(99, 102, 241, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
  width: 100%;
}

.upload-intro-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}

.intro-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-title--accent {
  background: linear-gradient(135deg, var(--accent-indigo) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-tagline {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-indigo);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0;
}

.intro-desc {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

.intro-features {
  list-style: none;
  padding: 0;
  margin: 4px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.intro-feature-item {
  display: flex;
  gap: 12px;
  align-items: center;
  background: transparent;
  border: none;
  padding: 4px 0;
  border-radius: 0;
  transition: all 0.2s var(--ease-out);
}

.intro-feature-item:hover {
  transform: translateX(4px);
}

.feature-icon {
  font-size: 0.95rem;
  border-radius: 8px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.25s var(--ease-out);
}

.feature-icon--whisper {
  color: #6366f1;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.18);
}

.feature-icon--styles {
  color: #ec4899;
  background: rgba(236, 72, 153, 0.08);
  border: 1px solid rgba(236, 72, 153, 0.18);
}

.feature-icon--sync {
  color: #06b6d4;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.18);
}

.intro-feature-item:hover .feature-icon {
  transform: scale(1.08);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.05);
}

.feature-text {
  font-size: 0.8125rem;
  line-height: 1.4;
}

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

.feature-text p {
  display: inline;
  color: var(--text-secondary);
  margin: 0 0 0 4px;
}

/* Interactive Config Panel */
.api-config-card {
  margin-top: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all 0.3s var(--ease-out);
}

.api-config-card:hover {
  border-color: rgba(99, 102, 241, 0.2);
}

.api-config-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.35rem;
}

.config-icon {
  font-size: 0.9rem;
}

.config-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  width: 100%;
}

.config-field-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.config-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

/* Premium Upload Zone Styling */
.upload-zone {
  border: 2px dashed rgba(99, 102, 241, 0.25) !important;
  background: rgba(99, 102, 241, 0.01) !important;
  border-radius: 20px;
  height: 330px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.upload-zone:hover {
  border-color: var(--accent-indigo) !important;
  background: rgba(99, 102, 241, 0.04) !important;
  box-shadow: 0 0 50px rgba(99, 102, 241, 0.15) !important;
  transform: translateY(-2px) !important;
}

.upload-zone__icon svg {
  transition: transform 0.3s var(--ease-out);
}

.upload-zone:hover .upload-zone__icon svg {
  transform: translateY(-6px) scale(1.05);
  color: var(--accent-indigo);
}

/* Demo Preview Grid Section */
.demo-preview-section {
  margin-top: 6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 4rem;
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.demo-preview-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.demo-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.demo-card {
  border-radius: 18px;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: left;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(255, 255, 255, 0.01);
}

.demo-card--formal {
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
  border-color: rgba(96, 165, 250, 0.1);
}

.demo-card--sarcastic {
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
  border-color: rgba(244, 114, 182, 0.1);
}

.demo-card--tech {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
  border-color: rgba(167, 139, 250, 0.1);
}

.demo-card--nontech {
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
  border-color: rgba(52, 211, 153, 0.1);
}

.demo-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.03);
}

.demo-card--formal:hover {
  border-color: rgba(96, 165, 250, 0.25);
  box-shadow: 0 15px 30px rgba(96, 165, 250, 0.05);
}

.demo-card--sarcastic:hover {
  border-color: rgba(244, 114, 182, 0.25);
  box-shadow: 0 15px 30px rgba(244, 114, 182, 0.05);
}

.demo-card--tech:hover {
  border-color: rgba(167, 139, 250, 0.25);
  box-shadow: 0 15px 30px rgba(167, 139, 250, 0.05);
}

.demo-card--nontech:hover {
  border-color: rgba(52, 211, 153, 0.25);
  box-shadow: 0 15px 30px rgba(52, 211, 153, 0.05);
}

.demo-badge {
  align-self: flex-start;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
}

.demo-badge--formal {
  background: rgba(96, 165, 250, 0.1);
  color: var(--style-formal);
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.demo-badge--sarcastic {
  background: rgba(244, 114, 182, 0.1);
  color: var(--style-sarcastic);
  border: 1px solid rgba(244, 114, 182, 0.2);
}

.demo-badge--tech {
  background: rgba(167, 139, 250, 0.1);
  color: var(--style-humorous-tech);
  border: 1px solid rgba(167, 139, 250, 0.2);
}

.demo-badge--nontech {
  background: rgba(52, 211, 153, 0.1);
  color: var(--style-humorous-nontech);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.demo-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.demo-quote {
  font-size: 0.8125rem;
  font-style: italic;
  color: var(--text-primary);
  margin: auto 0 0 0;
  padding-left: var(--spacing-sm);
  border-left: 2px solid rgba(255, 255, 255, 0.08);
  line-height: 1.5;
  transition: border-color 0.3s var(--ease-out);
}

.demo-card--formal:hover .demo-quote {
  border-left-color: var(--style-formal);
}
.demo-card--sarcastic:hover .demo-quote {
  border-left-color: var(--style-sarcastic);
}
.demo-card--tech:hover .demo-quote {
  border-left-color: var(--style-humorous-tech);
}
.demo-card--nontech:hover .demo-quote {
  border-left-color: var(--style-humorous-nontech);
}

/* Responsive Onboarding Styles */
@media (max-width: 1024px) {
  .upload-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  .upload-intro-panel {
    text-align: center;
    align-items: center;
  }
  .demo-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .demo-preview-grid {
    grid-template-columns: 1fr;
  }
  .intro-title {
    font-size: 2.25rem;
  }
}

/* Site Footer */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.5rem 2rem;
  margin-top: 3.5rem;
  width: 100%;
}

.footer-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-credits {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.heart-icon {
  color: #ff4b4b;
  display: inline-block;
  animation: heartPulse 1.8s infinite;
}

@keyframes heartPulse {
  0% { transform: scale(1); }
  14% { transform: scale(1.12); }
  28% { transform: scale(1); }
  42% { transform: scale(1.12); }
  70% { transform: scale(1); }
}

.credits-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s var(--ease-out);
}

.credits-link:hover {
  color: var(--accent-indigo);
}

.footer-divider {
  color: rgba(255, 255, 255, 0.15);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.social-link {
  color: var(--text-secondary);
  transition: all 0.25s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-link:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }
}

/* ═══════════════════════════════════════════════════════════════
   HOW IT WORKS — Production-Quality Redesign
   ═══════════════════════════════════════════════════════════════ */

/* --- Section Container --- */
.hiw-section {
  margin-top: var(--spacing-xl);
  padding: 80px 0 60px 0;
  position: relative;
  overflow: visible;
}

/* --- Section Header --- */
.hiw-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--spacing-2xl) auto;
  padding: 0 var(--spacing-lg);
}

.hiw-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  padding: 6px 18px;
  border-radius: 9999px;
  margin-bottom: var(--spacing-md);
}

.hiw-title {
  font-family: 'Lexend', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.hiw-title-accent {
  background: linear-gradient(135deg, #6366f1 0%, #a78bfa 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hiw-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto;
}

/* --- Hero Pipeline Infographic --- */
.hiw-hero-wrapper {
  max-width: 900px;
  margin: 0 auto 72px auto;
  padding: 0 var(--spacing-lg);
}

.hiw-hero-frame {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(99, 102, 241, 0.06);
  transition: all 0.4s var(--ease-out);
}

.hiw-hero-frame:hover {
  border-color: rgba(99, 102, 241, 0.25);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.65),
    0 0 100px rgba(99, 102, 241, 0.12);
  transform: translateY(-3px);
}

.hiw-hero-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hiw-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.hiw-dot--red { background: #ff5f56; }
.hiw-dot--yellow { background: #ffbd2e; }
.hiw-dot--green { background: #27c93f; }

.hiw-hero-bar-title {
  margin-left: 10px;
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  opacity: 0.6;
}

.hiw-hero-img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.92;
  transition: opacity 0.4s;
}
.hiw-hero-frame:hover .hiw-hero-img {
  opacity: 1;
}

/* --- Vertical Timeline --- */
.hiw-timeline {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Center animated line */
.hiw-timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(99, 102, 241, 0.15) 5%,
    rgba(99, 102, 241, 0.3) 30%,
    rgba(167, 139, 250, 0.3) 50%,
    rgba(244, 114, 182, 0.3) 70%,
    rgba(99, 102, 241, 0.15) 95%,
    transparent 100%
  );
}
.hiw-timeline-line::after {
  content: '';
  position: absolute;
  left: -1px;
  top: 0;
  width: 4px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent-indigo), #a78bfa);
  border-radius: 4px;
  filter: blur(1px);
  animation: hiw-pulse-line 4s ease-in-out infinite;
}

@keyframes hiw-pulse-line {
  0%, 100% { top: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: calc(100% - 60px); opacity: 0; }
}

/* --- Step Row --- */
.hiw-step {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: 72px;
  position: relative;
  /* Scroll reveal */
  opacity: 0;
  transform: translateY(40px);
  animation: hiw-reveal 0.7s var(--ease-out) forwards;
}

.hiw-step:last-child {
  margin-bottom: 0;
}

/* Staggered reveal timing */
.hiw-step[data-step="1"] { animation-delay: 0.1s; }
.hiw-step[data-step="2"] { animation-delay: 0.25s; }
.hiw-step[data-step="3"] { animation-delay: 0.4s; }
.hiw-step[data-step="4"] { animation-delay: 0.55s; }
.hiw-step[data-step="5"] { animation-delay: 0.7s; }

@keyframes hiw-reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Center Node (step number) --- */
.hiw-step-node {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid rgba(99, 102, 241, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  justify-self: center;
  box-shadow:
    0 0 20px rgba(99, 102, 241, 0.2),
    inset 0 0 12px rgba(99, 102, 241, 0.05);
  transition: all 0.3s var(--ease-spring);
}

.hiw-step:hover .hiw-step-node {
  border-color: var(--accent-indigo);
  box-shadow:
    0 0 30px rgba(99, 102, 241, 0.4),
    inset 0 0 15px rgba(99, 102, 241, 0.1);
  transform: scale(1.1);
}

.hiw-step-number {
  font-family: 'Lexend', var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  background: linear-gradient(135deg, #6366f1, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Step Image --- */
.hiw-step-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hiw-step-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: block;
  transition: all 0.5s var(--ease-out);
  filter: brightness(0.9) saturate(1.1);
}

.hiw-step:hover .hiw-step-img {
  filter: brightness(1) saturate(1.2);
  border-color: rgba(255, 255, 255, 0.15);
  transform: scale(1.02);
}

/* Glow overlay behind images */
.hiw-step-img-glow {
  position: absolute;
  inset: -20px;
  border-radius: inherit;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s;
}
.hiw-step:hover .hiw-step-img-glow { opacity: 1; }

/* Color variants for glow */
.hiw-step-img-glow--blue {
  background: radial-gradient(ellipse at center, rgba(96, 165, 250, 0.12) 0%, transparent 70%);
}
.hiw-step-img-glow--pink {
  background: radial-gradient(ellipse at center, rgba(244, 114, 182, 0.12) 0%, transparent 70%);
}
.hiw-step-img-glow--green {
  background: radial-gradient(ellipse at center, rgba(52, 211, 153, 0.12) 0%, transparent 70%);
}
.hiw-step-img-glow--amber {
  background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
}

/* --- Step Content Card --- */
.hiw-step-content {
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: all 0.4s var(--ease-out);
}

.hiw-step:hover .hiw-step-content {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

/* Step Icon */
.hiw-step-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: #6366f1;
  transition: all 0.3s var(--ease-spring);
}
.hiw-step-icon svg {
  width: 20px;
  height: 20px;
}
.hiw-step:hover .hiw-step-icon {
  background: rgba(99, 102, 241, 0.18);
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.25);
}

/* Icon color variants */
.hiw-step-icon--blue {
  background: rgba(96, 165, 250, 0.1);
  border-color: rgba(96, 165, 250, 0.2);
  color: #60a5fa;
}
.hiw-step:hover .hiw-step-icon--blue {
  background: rgba(96, 165, 250, 0.18);
  box-shadow: 0 0 16px rgba(96, 165, 250, 0.25);
}

.hiw-step-icon--pink {
  background: rgba(244, 114, 182, 0.1);
  border-color: rgba(244, 114, 182, 0.2);
  color: #f472b6;
}
.hiw-step:hover .hiw-step-icon--pink {
  background: rgba(244, 114, 182, 0.18);
  box-shadow: 0 0 16px rgba(244, 114, 182, 0.25);
}

.hiw-step-icon--green {
  background: rgba(52, 211, 153, 0.1);
  border-color: rgba(52, 211, 153, 0.2);
  color: #34d399;
}
.hiw-step:hover .hiw-step-icon--green {
  background: rgba(52, 211, 153, 0.18);
  box-shadow: 0 0 16px rgba(52, 211, 153, 0.25);
}

.hiw-step-icon--amber {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}
.hiw-step:hover .hiw-step-icon--amber {
  background: rgba(245, 158, 11, 0.18);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.25);
}

/* Step Label */
.hiw-step-label {
  font-family: 'Lexend', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

/* Step Description */
.hiw-step-desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Step Tag / Chip */
.hiw-step-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #a78bfa;
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.2);
  padding: 4px 12px;
  border-radius: 9999px;
}
.hiw-step-tag--blue {
  color: #60a5fa;
  background: rgba(96, 165, 250, 0.08);
  border-color: rgba(96, 165, 250, 0.2);
}
.hiw-step-tag--pink {
  color: #f472b6;
  background: rgba(244, 114, 182, 0.08);
  border-color: rgba(244, 114, 182, 0.2);
}
.hiw-step-tag--green {
  color: #34d399;
  background: rgba(52, 211, 153, 0.08);
  border-color: rgba(52, 211, 153, 0.2);
}
.hiw-step-tag--amber {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
}

/* --- LEFT step: image on left, content on right --- */
.hiw-step--left .hiw-step-img-wrap { grid-column: 1; }
.hiw-step--left .hiw-step-node { grid-column: 2; }
.hiw-step--left .hiw-step-content { grid-column: 3; }

/* --- RIGHT step: content on left, image on right --- */
.hiw-step--right .hiw-step-content { grid-column: 1; }
.hiw-step--right .hiw-step-node { grid-column: 2; }
.hiw-step--right .hiw-step-img-wrap { grid-column: 3; }

/* ═══════════════════════════════════════════════════════════════
   HOW IT WORKS — Responsive
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .hiw-step {
    grid-template-columns: 48px 1fr;
    gap: var(--spacing-md);
    margin-bottom: 48px;
  }

  /* All steps stack: node | content area */
  .hiw-step--left .hiw-step-node,
  .hiw-step--right .hiw-step-node {
    grid-column: 1;
    grid-row: 1 / 3;
    align-self: start;
    margin-top: 8px;
  }

  .hiw-step--left .hiw-step-content,
  .hiw-step--right .hiw-step-content {
    grid-column: 2;
    grid-row: 1;
  }

  .hiw-step--left .hiw-step-img-wrap,
  .hiw-step--right .hiw-step-img-wrap {
    grid-column: 2;
    grid-row: 2;
  }

  .hiw-step-img {
    height: 200px;
  }

  /* Move timeline line to left side */
  .hiw-timeline-line {
    left: 24px;
    transform: none;
  }

  .hiw-step-node {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 600px) {
  .hiw-section {
    padding: 48px 0 32px 0;
  }

  .hiw-header {
    padding: 0 var(--spacing-md);
  }

  .hiw-hero-wrapper {
    margin-bottom: 48px;
    padding: 0 var(--spacing-md);
  }

  .hiw-timeline {
    padding: 0 var(--spacing-md);
  }

  .hiw-step {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: 40px;
  }

  .hiw-step--left .hiw-step-node,
  .hiw-step--right .hiw-step-node {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
  }

  .hiw-step--left .hiw-step-content,
  .hiw-step--right .hiw-step-content {
    grid-column: 1;
    grid-row: 2;
  }

  .hiw-step--left .hiw-step-img-wrap,
  .hiw-step--right .hiw-step-img-wrap {
    grid-column: 1;
    grid-row: 3;
  }

  .hiw-timeline-line {
    display: none;
  }

  .hiw-step-img {
    height: 180px;
  }

  .hiw-step-content {
    padding: var(--spacing-lg);
  }
}

/* Old step-label/step-description fallback (unused, kept for safety) */
.step-label {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
}

.modal-title {
  font-family: 'Lexend', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.modal-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  text-align: left;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
  padding: var(--spacing-xs);
  transition: color 0.2s var(--ease-out);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

/* Pricing Modal Container */
.api-modal-card {
  width: 100%;
  max-width: 960px;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: 
    0 24px 60px rgba(0, 0, 0, 0.85),
    0 0 100px rgba(99, 102, 241, 0.12);
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease-out);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.pricing-card {
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.03);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  transition: all 0.35s var(--ease-spring);
  backdrop-filter: blur(8px);
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.pricing-card--featured {
  border-color: rgba(168, 85, 247, 0.4);
  background: rgba(168, 85, 247, 0.04);
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(168, 85, 247, 0.15);
}

.pricing-card--featured:hover {
  border-color: var(--accent-purple);
  background: rgba(168, 85, 247, 0.06);
  box-shadow: 
    0 16px 40px rgba(0, 0, 0, 0.45),
    0 0 40px rgba(168, 85, 247, 0.25);
}

.pricing-tier-badge {
  position: absolute;
  top: -11px;
  left: var(--spacing-xl);
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.pricing-tier-badge--featured {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: var(--text-primary);
  box-shadow: 0 0 10px var(--accent-purple);
}

.tier-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  text-align: left;
}

.tier-price {
  font-family: 'Lexend', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  text-align: left;
}

.price-period {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.tier-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  text-align: left;
  line-height: 1.4;
}

.tier-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.tier-features li {
  font-size: 0.825rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 20px;
  text-align: left;
  line-height: 1.4;
}

.tier-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-indigo);
  font-weight: 700;
}

.pricing-btn {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
}

.pricing-btn:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
}

.select-plan-btn--featured {
  background: var(--accent-indigo);
  border-color: var(--accent-indigo);
  color: var(--text-primary);
}

.select-plan-btn--featured:hover {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  box-shadow: 0 0 15px var(--accent-purple);
}

.select-plan-btn--active {
  background: rgba(16, 185, 129, 0.12) !important;
  border-color: rgba(16, 185, 129, 0.4) !important;
  color: var(--success) !important;
  cursor: default !important;
}

@media (max-width: 820px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

/* API Modal Styling */
.api-content {
  text-align: left;
}

.api-method-tag {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.post-badge {
  background: #ec4899;
  color: #fff;
  padding: 3px 8px;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
}

.api-doc-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-lg);
}

.api-section-header {
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-bottom: 4px;
}

.api-params-list {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.api-params-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.api-params-list code {
  color: var(--accent-purple);
  background: rgba(255,255,255,0.03);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

.api-code-block {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: #e2e8f0;
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════════
   DEVELOPER CONSOLE TABS, KEYS, PLAYGROUND STYLING
   ═══════════════════════════════════════════════════════════════ */
.console-tabs {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: var(--spacing-lg);
  padding-bottom: 2px;
}

.console-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.825rem;
  font-weight: 600;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all 0.2s var(--ease-out);
  position: relative;
  top: 1px;
  border-bottom: 2px solid transparent;
}

.console-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.console-tab--active {
  color: var(--accent-indigo) !important;
  border-bottom: 2px solid var(--accent-indigo) !important;
}

.console-tab-content {
  display: block;
}

.console-tab-content--hidden {
  display: none !important;
}

.console-key-section {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.console-field-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.05em;
}

.console-key-row {
  display: flex;
  gap: var(--spacing-sm);
}

.console-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.35) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: var(--radius-md) !important;
  padding: 10px var(--spacing-md) !important;
  color: var(--text-primary) !important;
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.825rem !important;
}

.console-input:focus {
  outline: none;
  border-color: var(--accent-indigo) !important;
}

.console-action-btn {
  padding: 0 16px !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

.console-analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 600px) {
  .console-analytics-grid {
    grid-template-columns: 1fr;
  }
  .console-key-row {
    flex-direction: column;
    align-items: stretch;
  }
}

.console-metric-card {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
}

.metric-label {
  display: block;
  font-size: 0.725rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.metric-value-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: var(--spacing-xs);
}

.metric-value {
  font-family: 'Lexend', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.metric-limit {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.metric-progress-bar {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.metric-progress-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-pill);
}

.console-system-status {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.02);
  border: 1px solid rgba(16, 185, 129, 0.1);
  padding: 10px var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.775rem;
  color: var(--success);
  text-align: left;
  margin-top: var(--spacing-sm);
}

.status-indicator-dot {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: var(--radius-full);
  display: inline-block;
  box-shadow: 0 0 8px var(--success);
}

.pulsing {
  animation: pulseStatus 2s infinite;
}

@keyframes pulseStatus {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.playground-form {
  text-align: left;
}

.playground-row {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

@media (max-width: 600px) {
  .playground-row {
    grid-template-columns: 1fr;
  }
}

.playground-output-wrapper {
  margin-top: var(--spacing-md);
}

.playground-output-wrapper--hidden {
  display: none !important;
}

.playground-loader {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: var(--spacing-md) 0;
  font-size: 0.825rem;
  color: var(--text-secondary);
}

.playground-loader--hidden {
  display: none !important;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.08);
  border-top-color: var(--accent-indigo);
  border-radius: var(--radius-full);
  animation: spinLoader 0.8s linear infinite;
}

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