/* ==========================================================================
   AI Rebels Podcast - Brutalist Manifesto
   ========================================================================== */

:root {
  --color-bg: #0f0a12;
  --color-bg-elevated: #150f18;
  --color-bg-card: #1c1520;
  --color-text: #f5f0f2;
  --color-text-muted: #9a8a95;
  --color-accent: #ff2d55;
  --color-accent-secondary: #3b82f6;
  --color-accent-dim: rgba(255, 45, 85, 0.15);
  --color-danger: #ff3333;
  --color-border: #352a38;
  --font-display: "Bebas Neue", Impact, sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "IBM Plex Mono", monospace;
  --transition-snap: 0.1s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode - Inverted brutalism */
[data-theme="light"] {
  --color-bg: #f5f0e8;
  --color-bg-elevated: #ebe6de;
  --color-bg-card: #fff;
  --color-text: #0d0d0d;
  --color-text-muted: #5a564e;
  --color-accent: #ff3300;
  --color-accent-dim: rgba(255, 51, 0, 0.1);
  --color-border: #d4cfc7;
}

[data-theme="light"] .episode-number {
  color: #0fff;
}

[data-theme="light"] .episode-overall {
  border-left-color: rgba(255, 255, 255, 0.4);
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 17px;
}

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Navigation - Raw & Minimal
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition-smooth);
}

.navbar.scrolled {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.logo-accent {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: 48px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-snap);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-smooth);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-snap);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: 2px solid var(--color-border);
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-snap);
  margin-left: 20px;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text);
  transition: all var(--transition-snap);
}

.theme-toggle:hover svg {
  stroke: var(--color-accent);
}

/* ==========================================================================
   Hero Section - Bold Statement
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Film grain texture */
.grain-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Diagonal accent lines */
.diagonal-line {
  position: absolute;
  width: 2px;
  height: 200vh;
  transform-origin: top center;
  opacity: 0.2;
}

.line-1 {
  left: 15%;
  top: -50%;
  transform: rotate(25deg);
  background: var(--color-accent);
}

.line-2 {
  right: 25%;
  top: -50%;
  transform: rotate(-15deg);
  background: var(--color-accent-secondary);
}

.line-3 {
  right: 10%;
  top: -30%;
  transform: rotate(35deg);
  background: #c026d3;
  opacity: 0.12;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-accent);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(5rem, 20vw, 16rem);
  font-weight: 400;
  line-height: 0.85;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  color: var(--color-text);
}

.title-accent {
  background: linear-gradient(
    135deg,
    var(--color-accent),
    #c026d3,
    var(--color-accent-secondary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-left: -0.05em;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  max-width: 500px;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.platform-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.platform-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  background: transparent;
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-snap);
}

.platform-btn svg {
  width: 18px;
  height: 18px;
}

.platform-btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--color-accent);
}

.platform-btn.youtube:hover {
  background: #ff0000;
  border-color: #ff0000;
  color: #fff;
}
.platform-btn.spotify:hover {
  background: #1ed760;
  border-color: #1ed760;
  color: #000;
}
.platform-btn.apple:hover {
  background: #fc3c44;
  border-color: #fc3c44;
  color: #fff;
}
.platform-btn.rss:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
  0%,
  100% {
    transform: rotate(45deg) translate(0, 0);
  }
  50% {
    transform: rotate(45deg) translate(4px, 4px);
  }
}

/* ==========================================================================
   Section Styles
   ========================================================================== */

section {
  padding: 120px 0;
  position: relative;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 60px;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-accent);
  margin-top: 20px;
}

/* ==========================================================================
   Start Here Section
   ========================================================================== */

.start-here {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.start-here-header {
  margin-bottom: 60px;
}

.start-here-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-bg);
  background: var(--color-accent);
  padding: 8px 16px;
  margin-bottom: 20px;
}

.start-here .section-title {
  margin-bottom: 20px;
}

.start-here .section-title::after {
  display: none;
}

.start-here-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 500px;
  line-height: 1.7;
}

.start-here-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

.start-here-card {
  background: var(--color-bg-card);
  padding: 32px;
  border: 1px solid var(--color-border);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-snap);
}

.start-here-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-smooth);
}

.start-here-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 var(--color-accent);
}

.start-here-card:hover::before {
  transform: scaleY(1);
}

.start-here-card.featured {
  grid-row: span 2;
  background: linear-gradient(
    135deg,
    var(--color-accent) 0%,
    #c026d3 50%,
    var(--color-accent-secondary) 100%
  );
  border-color: var(--color-accent);
}

.start-here-card.featured * {
  color: #fff;
}

.start-here-card.featured::before {
  background: #fff;
}

.start-here-card.featured:hover {
  box-shadow: 8px 8px 0 var(--color-accent-secondary);
}

.start-here-card-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  display: inline-block;
  margin-bottom: 20px;
  width: fit-content;
}

.start-here-card.featured .start-here-card-badge {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.8);
}

.start-here-card-content {
  flex: 1;
}

.start-here-card h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.start-here-card.featured h3 {
  font-size: 2.25rem;
}

.start-here-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.start-here-card.featured p {
  color: rgba(255, 255, 255, 0.8);
}

.start-here-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.start-here-duration {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.start-here-card.featured .start-here-duration {
  color: rgba(255, 255, 255, 0.6);
}

.start-here-play {
  width: 56px;
  height: 56px;
  background: var(--color-text);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  margin-left: auto;
  transition: all var(--transition-snap);
}

.start-here-card.featured .start-here-play {
  background: #fff;
}

.start-here-play:hover {
  transform: scale(1.1);
}

.start-here-play svg {
  width: 24px;
  height: 24px;
  fill: var(--color-bg);
  margin-left: 3px;
}

.start-here-card.featured .start-here-play svg {
  fill: var(--color-accent);
}

@media (max-width: 900px) {
  .start-here-grid {
    grid-template-columns: 1fr;
  }

  .start-here-card.featured {
    grid-row: auto;
  }
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.hosts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  margin-bottom: 80px;
}

.host-card {
  background: var(--color-bg-card);
  padding: 48px 40px;
  border: 1px solid var(--color-border);
  text-align: left;
  transition: all var(--transition-snap);
}

.host-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 var(--color-accent);
}

.host-avatar {
  width: 100px;
  height: 100px;
  margin-bottom: 24px;
  background: var(--color-accent);
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3rem;
  color: #0d0d0d;
}

.host-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.host-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}

.host-bio {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about-text {
  max-width: 700px;
}

.about-text p {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Episodes Section
   ========================================================================== */

.episodes {
  background: var(--color-bg);
}

.episodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.episode-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-snap);
  position: relative;
  overflow: hidden;
}

.episode-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.episode-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 var(--color-accent);
}

.episode-card:hover::before {
  transform: scaleX(1);
}

.episode-card-content {
  padding: 32px;
}

.episode-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.episode-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: #0fff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-accent);
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.episode-overall {
  opacity: 0.7;
  font-weight: 400;
  padding-left: 8px;
  border-left: 1px solid rgba(13, 13, 13, 0.3);
}

.episode-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.episode-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 12px;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.episode-title-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.episode-title-link:hover {
  color: var(--color-accent);
}

.episode-description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Audio Player */
.episode-player {
  padding: 24px 32px;
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  position: relative;
}

.audio-player {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  z-index: 2;
}

.play-btn {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-snap);
  flex-shrink: 0;
}

.play-btn:hover {
  transform: scale(1.05);
}

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

.play-btn svg {
  width: 22px;
  height: 22px;
  fill: #0d0d0d;
  margin-left: 3px;
}

.play-btn.playing svg {
  margin-left: 0;
}

.player-info {
  flex: 1;
  min-width: 0;
}

.progress-container {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  cursor: pointer;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 0.1s linear;
}

.time-info {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.episode-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.episode-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 12px 20px;
  border: 1px solid var(--color-border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-snap);
}

.episode-link:hover {
  background: var(--color-accent);
  color: #0d0d0d;
  border-color: var(--color-accent);
}

.episode-audio {
  display: none;
}

/* Episode card visualizer - hidden, using global player instead */
.visualizer-container {
  display: none;
}

.episode-card.playing {
  border-color: var(--color-accent);
}

.episode-card.playing::before {
  transform: scaleX(1);
}

.play-btn.playing {
  animation: pulse-btn 1.5s ease-in-out infinite;
}

@keyframes pulse-btn {
  0%,
  100% {
    box-shadow: 0 0 0 0 var(--color-accent-dim);
  }
  50% {
    box-shadow: 0 0 0 12px transparent;
  }
}

.episodes-cta {
  text-align: left;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* Hidden episodes - show more functionality */
.episode-card.episode-hidden {
  display: none;
}

.episode-card.episode-hidden.episode-visible {
  display: block;
}

.show-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--transition-snap);
}

.show-more-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-card);
}

.show-more-btn svg {
  transition: transform 0.2s ease;
}

.show-more-btn:hover svg {
  transform: translateY(2px);
}

.btn-primary {
  display: inline-block;
  padding: 18px 48px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: #0d0d0d;
  background: var(--color-accent);
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--transition-snap);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--color-text);
}

/* ==========================================================================
   Subscribe Section
   ========================================================================== */

.subscribe {
  background: var(--color-accent);
  color: #0d0d0d;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.subscribe .section-title {
  color: #0d0d0d;
}

.subscribe .section-title::after {
  background: #0d0d0d;
}

.subscribe-content {
  max-width: 600px;
}

.subscribe-text {
  font-size: 1.25rem;
  color: rgba(0, 0, 0, 0.7);
  margin-bottom: 40px;
  line-height: 1.7;
}

.subscribe-form {
  position: relative;
}

.form-group {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
}

.subscribe-form input {
  flex: 1;
  padding: 20px 24px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: #0d0d0d;
  background: #fff;
  border: 2px solid #0d0d0d;
  outline: none;
  transition: all var(--transition-snap);
}

.subscribe-form input::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

.subscribe-form input:focus {
  box-shadow: 4px 4px 0 #0d0d0d;
  transform: translate(-2px, -2px);
}

.btn-submit {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 32px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
  background: #0d0d0d;
  border: 2px solid #0d0d0d;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--transition-snap);
}

.btn-submit svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  transition: transform var(--transition-snap);
}

.btn-submit:hover {
  background: #1a1a1a;
}

.btn-submit:hover svg {
  transform: translateX(4px);
}

.form-note {
  font-size: 0.875rem;
  color: rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-bg);
  padding: 80px 0 40px;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo-text {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.footer-brand p {
  color: var(--color-text-muted);
  line-height: 1.6;
  font-style: italic;
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  color: var(--color-text-muted);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-col a {
  color: var(--color-text);
  transition: color var(--transition-snap);
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Global Player Bar
   ========================================================================== */

.global-player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--color-bg);
  border-top: 2px solid var(--color-accent);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.global-player.active {
  transform: translateY(0);
}

.global-player-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.global-play-btn {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-snap);
}

.global-play-btn:hover {
  transform: scale(1.05);
}

.global-play-btn svg {
  width: 22px;
  height: 22px;
  fill: #0d0d0d;
}

.global-player-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.global-player-title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.global-progress-container {
  height: 4px;
  background: var(--color-border);
  cursor: pointer;
}

.global-progress-bar {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 0.1s linear;
}

.global-time {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.global-time-sep {
  opacity: 0.5;
}

.global-close-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-snap);
}

.global-close-btn:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

.global-close-btn svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-text-muted);
}

.global-close-btn:hover svg {
  stroke: #fff;
}

.global-player-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.global-player-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  border: 1px solid var(--color-accent);
  border-radius: 3px;
  transition: all var(--transition-snap);
  flex-shrink: 0;
}

.global-player-link:hover {
  background: var(--color-accent);
  color: #0d0d0d;
}

.global-transcript-toggle {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-snap);
  color: var(--color-text-muted);
}

.global-transcript-toggle:hover,
.global-transcript-toggle.active {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.global-transcript {
  display: none;
  padding: 16px 24px;
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  max-width: 1200px;
  margin: 0 auto;
}

.global-player.transcript-visible .global-transcript {
  display: block;
}

.global-transcript-speaker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.global-transcript-speaker:empty {
  display: none;
}

.global-transcript-speaker[data-speaker="0"] {
  color: var(--color-accent);
}
.global-transcript-speaker[data-speaker="1"] {
  color: #10b981;
}
.global-transcript-speaker[data-speaker="2"] {
  color: #8b5cf6;
}

.global-transcript-text {
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--color-text);
  min-height: 1.5em;
}

.global-transcript-text .transcript-placeholder {
  color: var(--color-text-muted);
  font-style: italic;
}

.global-visualizer {
  position: fixed;
  bottom: 72px;
  left: 0;
  right: 0;
  width: 100vw;
  height: 80px;
  pointer-events: none;
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(255, 45, 85, 0.5));
  z-index: 1000;
}

.global-player.transcript-visible .global-visualizer {
  bottom: 140px;
}

/* Adjust player height when transcript is visible */
.global-player.transcript-visible {
  /* The player expands to fit transcript */
}

body.player-active.transcript-visible footer {
  padding-bottom: 180px;
}

body.player-active footer {
  padding-bottom: 100px;
}

/* ==========================================================================
   Transcript Components
   ========================================================================== */

.transcript-badge {
  background: var(--color-accent);
  color: #0d0d0d;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  padding: 3px 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.transcript-btn {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-snap);
}

.transcript-btn:hover {
  background: var(--color-bg-card);
  border-color: var(--color-text-muted);
}

.transcript-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fade-in 0.2s ease;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.transcript-modal-content {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  max-width: 800px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.transcript-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-bottom: 1px solid var(--color-border);
}

.transcript-modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.transcript-modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: color var(--transition-snap);
}

.transcript-modal-close:hover {
  color: var(--color-accent);
}

.transcript-modal-body {
  padding: 24px;
  overflow-y: auto;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.transcript-modal-body p {
  margin-bottom: 20px;
}

/* ==========================================================================
   Loading & Error States
   ========================================================================== */

.loading-episodes {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 20px;
  color: var(--color-text-muted);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  animation: spin 0.8s linear infinite;
  margin-bottom: 20px;
}

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

.loading-episodes p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.error-message {
  grid-column: 1 / -1;
  text-align: left;
  padding: 48px;
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  border: 1px solid var(--color-danger);
  border-left: 4px solid var(--color-danger);
}

.error-message h3 {
  font-family: var(--font-display);
  color: var(--color-danger);
  margin-bottom: 12px;
  font-size: 1.5rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 900px) {
  .hosts-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content {
    padding: 0 20px;
  }

  .hero-title {
    font-size: clamp(4rem, 18vw, 10rem);
  }

  .platform-links {
    flex-direction: column;
  }

  .platform-btn {
    width: 100%;
    justify-content: center;
  }

  section {
    padding: 80px 0;
  }

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

  .form-group {
    flex-direction: column;
  }

  .subscribe-form input {
    border-bottom: none;
  }

  .btn-submit {
    width: 100%;
    justify-content: center;
  }

  .footer-content {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    gap: 40px;
  }

  .global-player-content {
    gap: 12px;
  }

  .global-time {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 3.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .episode-card-content,
  .episode-player {
    padding: 24px;
  }

  .episode-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .audio-player {
    flex-wrap: wrap;
  }

  .player-info {
    order: 3;
    width: 100%;
  }

  .episode-actions {
    margin-left: auto;
  }
}

/* ==========================================================================
   Concept Map Visualization
   ========================================================================== */

.concept-map-section {
  padding: 100px 0;
  background: var(--color-bg);
  position: relative;
  overflow-x: hidden;
  overflow-y: visible;
}

.concept-map-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border),
    transparent
  );
}

.concept-map-header {
  text-align: center;
  margin-bottom: 48px;
}

.concept-map-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 6px 14px;
  margin-bottom: 16px;
}

.concept-map-title {
  margin-bottom: 16px !important;
}

.gradient-text {
  background: linear-gradient(
    135deg,
    var(--color-accent),
    var(--color-accent-secondary, #3b82f6)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.concept-map-section .section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.concept-map-wrapper {
  position: relative;
  max-width: 100%;
  overflow: hidden;
}

.concept-map-container {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  position: relative;
  border-radius: 8px;
  max-width: 100%;
}

.concept-map-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60%;
  height: 60%;
  background: radial-gradient(
    circle,
    rgba(255, 45, 85, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] .concept-map-glow {
  background: radial-gradient(
    circle,
    rgba(255, 45, 85, 0.05) 0%,
    transparent 70%
  );
}

.concept-map-svg {
  display: block;
  cursor: grab;
  background: transparent;
  position: relative;
  z-index: 1;
  max-width: 100%;
  width: 100%;
}

.concept-map-svg:active {
  cursor: grabbing;
}

.concept-map-svg .node {
  transition: transform 0.2s ease;
}

.concept-map-svg .node:hover circle {
  filter: drop-shadow(0 0 12px var(--color-accent));
}

.concept-map-tooltip {
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent);
  padding: 14px 18px;
  z-index: 10000;
  pointer-events: none;
  max-width: 300px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(255, 45, 85, 0.1);
  border-radius: 6px;
}

.concept-map-tooltip .tooltip-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.3;
}

.concept-map-tooltip .tooltip-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.concept-map-empty {
  padding: 100px 24px;
  text-align: center;
  color: var(--color-text-muted);
}

.concept-map-empty p {
  margin-bottom: 8px;
}

.concept-map-empty .text-muted {
  font-size: 0.875rem;
  opacity: 0.7;
}

.concept-map-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  flex-wrap: wrap;
  gap: 16px;
}

.concept-map-legend {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.concept-map-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.concept-map-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-text);
}

.concept-map-legend-dot.accent {
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
}

.concept-map-legend-line {
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-text-muted), transparent);
}

.concept-map-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  opacity: 0.7;
}

.concept-map-hint svg {
  opacity: 0.6;
}

/* Related Episodes Section (Episode Page) */
.related-episodes-section {
  margin-top: 48px;
}

.related-episodes {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 24px;
}

.related-episodes h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.related-episode-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
}

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

.related-episode-item:hover {
  background: var(--color-bg-elevated);
}

.related-episode-info {
  flex: 1;
  min-width: 0;
}

.related-episode-title {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.related-episode-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.related-episode-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 4px;
}

.related-episode-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  display: block;
  margin-top: 4px;
}

.related-episode-similarity {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-left: 16px;
  background: var(--color-accent-dim);
  padding: 4px 10px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.similarity-value {
  font-weight: 600;
}

.similarity-label {
  opacity: 0.8;
  font-size: 0.7rem;
}

.episode-concept-map {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 24px;
  max-width: 100%;
  overflow: hidden;
}

.episode-concept-map h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 768px) {
  .concept-map-section {
    padding: 60px 0;
  }

  .concept-map-legend {
    gap: 16px;
  }

  .related-episode-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .related-episode-similarity {
    margin-left: 0;
  }

  .episode-concept-map {
    padding: 16px;
    margin: 0 -16px;
    border-left: none;
    border-right: none;
  }

  .episode-concept-map h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }
}

/* ==========================================================================
   Enhanced Concept Map Controls & UI
   ========================================================================== */

.concept-map-inner-wrapper {
  position: relative;
  max-width: 100%;
  overflow: hidden;
}

/* Controls Overlay - positioned inside the map */
.concept-map-controls-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  z-index: 10;
  pointer-events: none;
}

.concept-map-controls-overlay > * {
  pointer-events: auto;
}

/* Zoom Controls */
.concept-map-zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 4px;
}

.cm-zoom-btn {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: 4px;
  transition: all var(--transition-snap);
}

.cm-zoom-btn:hover {
  background: var(--color-bg-elevated);
  color: var(--color-text);
}

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

.cm-zoom-level {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  min-width: 40px;
  text-align: center;
  padding: 0 6px;
}

/* Search */
.concept-map-search {
  position: relative;
  max-width: 280px;
  flex: 1;
}

.cm-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.cm-search-input {
  width: 100%;
  padding: 10px 36px 10px 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: all var(--transition-snap);
}

.cm-search-input::placeholder {
  color: var(--color-text-muted);
}

.cm-search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.cm-search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: 4px;
  transition: all var(--transition-snap);
}

.cm-search-clear:hover {
  background: var(--color-bg-elevated);
  color: var(--color-text);
}

/* Enhanced Tooltip */
.concept-map-tooltip {
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent);
  padding: 0;
  z-index: 10000;
  pointer-events: none;
  max-width: 320px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(255, 45, 85, 0.1);
  border-radius: 8px;
  overflow: hidden;
}

.concept-map-tooltip .tooltip-header {
  display: flex;
  gap: 6px;
  padding: 10px 14px 0;
  flex-wrap: wrap;
}

.concept-map-tooltip .tooltip-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 3px;
}

.concept-map-tooltip .tooltip-badge.transcript {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.concept-map-tooltip .tooltip-badge.recent {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
}

.concept-map-tooltip .tooltip-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  padding: 10px 14px 6px;
  line-height: 1.3;
}

.concept-map-tooltip .tooltip-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 0 14px 10px;
}

.concept-map-tooltip .tooltip-stats {
  display: flex;
  gap: 16px;
  padding: 10px 14px;
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
}

.concept-map-tooltip .tooltip-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.concept-map-tooltip .tooltip-stat-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-text);
  line-height: 1;
}

.concept-map-tooltip .tooltip-stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.concept-map-tooltip .tooltip-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  padding: 8px 14px;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  opacity: 0.8;
}

/* Link Tooltip */
.concept-map-link-tooltip {
  text-align: center;
  padding: 14px 18px !important;
}

.concept-map-link-tooltip .link-tooltip-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.concept-map-link-tooltip .link-tooltip-similarity {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 1.1;
}

.concept-map-link-tooltip .link-tooltip-nodes {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
  color: var(--color-text-muted);
}

.concept-map-link-tooltip .link-node-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--color-bg-elevated);
  padding: 4px 8px;
  border-radius: 4px;
}

/* Info Panel */
.concept-map-info-panel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: none;
  padding: 20px;
  display: none;
  border-radius: 0 0 8px 8px;
  animation: slideDown 0.2s ease;
}

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

.concept-map-info-panel.active {
  display: block;
}

.info-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.info-panel-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.info-panel-close {
  width: 28px;
  height: 28px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-snap);
}

.info-panel-close:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
}

.info-panel-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.2;
}

.info-panel-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.info-panel-connections {
  margin-bottom: 16px;
}

.info-panel-connections h5 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.info-panel-connections-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-panel-connection {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-snap);
}

.info-panel-connection:hover {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.info-panel-connection .connection-ep {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 3px 8px;
  border-radius: 3px;
  flex-shrink: 0;
}

.info-panel-connection .connection-title {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.info-panel-connection .connection-similarity {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.info-panel-more {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 6px;
}

.info-panel-cta {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--color-accent);
  color: #0d0d0d;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  text-decoration: none;
  border-radius: 4px;
  transition: all var(--transition-snap);
}

.info-panel-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-accent-dim);
}

/* Updated Legend with better explanations */
.concept-map-legend {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.concept-map-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.concept-map-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-text);
  flex-shrink: 0;
}

.concept-map-legend-dot.recent {
  background: #38bdf8;
}

.concept-map-legend-dot.medium {
  background: #818cf8;
}

.concept-map-legend-dot.transcript {
  background: var(--color-text);
  border: 2px dashed #10b981;
  width: 14px;
  height: 14px;
}

.concept-map-legend-dot.accent {
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
}

.concept-map-legend-line {
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-text-muted), transparent);
}

/* Improved hint with keyboard shortcuts */
.concept-map-hint {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  opacity: 0.8;
  text-align: right;
}

.concept-map-hint svg {
  opacity: 0.6;
}

.concept-map-hint kbd {
  display: inline-block;
  padding: 1px 5px;
  font-size: 0.6rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  margin: 0 2px;
}

/* Node recency colors */
.node-recent circle:first-child {
  filter: drop-shadow(0 0 4px rgba(56, 189, 248, 0.4));
}

.node-medium circle:first-child {
  filter: drop-shadow(0 0 4px rgba(129, 140, 248, 0.3));
}

/* Responsive */
@media (max-width: 768px) {
  .concept-map-controls-overlay {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .concept-map-search {
    max-width: none;
    order: -1;
  }

  .concept-map-zoom-controls {
    align-self: flex-start;
  }

  .cm-zoom-btn {
    width: 40px;
    height: 40px;
  }

  .info-panel-title {
    font-size: 1.25rem;
  }

  .concept-map-legend {
    justify-content: center;
  }

  .concept-map-container {
    min-height: 350px;
  }

  .concept-map-svg {
    touch-action: pan-x pan-y pinch-zoom;
  }

  /* Info panel as bottom sheet on mobile */
  .concept-map-info-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 16px 16px 0 0;
    border: none;
    border-top: 1px solid var(--color-border);
    max-height: 60vh;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
    animation: slideUpPanel 0.3s ease;
  }

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

  .concept-map-info-panel::before {
    content: "";
    display: block;
    width: 40px;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    margin: 0 auto 12px;
  }

  .info-panel-cta {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
    font-size: 1rem;
  }

  /* Larger touch targets for nodes */
  .concept-map-svg .node circle {
    cursor: pointer;
  }

  /* Tooltip positioned at bottom on mobile */
  .concept-map-tooltip {
    max-width: calc(100vw - 40px);
  }

  .concept-map-tooltip .tooltip-hint {
    display: none;
  }

  /* Mobile tooltip with close button */
  .concept-map-tooltip-mobile {
    pointer-events: auto;
  }

  .concept-map-tooltip-mobile .tooltip-hint {
    display: block;
  }

  .concept-map-tooltip .tooltip-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all 0.15s ease;
    padding: 0;
  }

  .concept-map-tooltip .tooltip-close:hover,
  .concept-map-tooltip .tooltip-close:active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
  }
}

/* Touch device specific */
.touch-device .concept-map-svg {
  cursor: default;
}

.touch-device .concept-map-svg:active {
  cursor: default;
}

.touch-device .concept-map-hint kbd {
  display: none;
}

.touch-device .concept-map-hint::after {
  content: "Pinch to zoom • Tap node to select";
  font-family: var(--font-mono);
}

/* Small phones */
@media (max-width: 480px) {
  .concept-map-section {
    padding: 40px 0;
  }

  .concept-map-section .container {
    padding: 0;
  }

  .concept-map-header {
    margin-bottom: 24px;
    padding: 0 16px;
  }

  .concept-map-title {
    font-size: 1.75rem !important;
  }

  .concept-map-container {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .concept-map-controls {
    border-radius: 0;
    padding: 12px 16px;
  }

  .concept-map-legend {
    gap: 12px;
    font-size: 0.65rem;
  }

  .concept-map-zoom-controls {
    padding: 2px;
  }

  .cm-zoom-level {
    display: none;
  }

  .concept-map-search {
    padding: 8px 12px;
  }

  .cm-search-input {
    font-size: 16px; /* Prevent iOS zoom on focus */
  }

  .info-panel-connection {
    padding: 8px 10px;
  }

  .connection-title {
    font-size: 0.8rem;
  }
}

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