@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Merriweather:ital,wght@0,300..900;1,300..900&family=Inter:wght@300..700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #1a1410;
  --bg-secondary: #231e18;
  --bg-card: #2a2319;
  --bg-elevated: #342c22;
  --text-primary: #e8dcc8;
  --text-secondary: #c4b59a;
  --text-tertiary: #8a7e6b;
  --accent-gold: #c5a55a;
  --accent-gold-dim: #9e843f;
  --accent-green: #4a6741;
  --border-color: #3d342a;
  --border-light: #4a3f33;
  --danger: #8b3a3a;
  --shadow: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.5);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-body: 'Merriweather', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 6px;
  --sidebar-w: 260px;
  --chat-w: 340px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--accent-gold); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--text-primary); }


/* ==================== LANDING PAGE ==================== */

.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
  flex-wrap: wrap;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}
.nav-brand span { color: var(--accent-gold); }

.nav-tag {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--accent-gold);
  background: rgba(197,165,90,0.12);
  border: 1px solid rgba(197,165,90,0.25);
  padding: 4px 12px;
  border-radius: 99px;
}

.landing-hero {
  text-align: center;
  padding: 80px 24px 48px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
}

.landing-hero h1 {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.landing-hero .subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 8px;
}

.landing-hero .desc {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-tertiary);
  margin-bottom: 32px;
}

.accent-line {
  width: 60px;
  height: 2px;
  background: var(--accent-gold);
  margin: 0 auto;
}

.landing-content {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px;
  width: 100%;
}

.course-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.course-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.module-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.module-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--accent-gold);
}

.lesson-list {
  list-style: none;
}

.lesson-list li {
  padding: 8px 0;
  border-top: 1px solid var(--border-color);
}

.lesson-list li a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: block;
  transition: color 0.2s;
}

.lesson-list li a:hover {
  color: var(--accent-gold);
}

.landing-footer {
  padding: 20px;
  text-align: center;
  border-top: 1px solid var(--border-color);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.landing-footer a {
  color: var(--accent-gold-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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


/* ==================== 3-COLUMN APP LAYOUT ==================== */

.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--chat-w);
  height: 100vh;
  overflow: hidden;
}

/* Left Sidebar */
.sidebar-left {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.25s, min-width 0.25s;
  min-width: var(--sidebar-w);
  width: var(--sidebar-w);
}

.sidebar-left.collapsed {
  min-width: 0;
  width: 0;
  border-right: none;
}

.sidebar-left.collapsed * {
  visibility: hidden;
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header .nav-brand {
  font-size: 1.2rem;
}

.sidebar-auth {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.sidebar-auth .nav-auth-link {
  font-size: 0.78rem;
}

.sidebar-auth .nav-auth-btn {
  font-size: 0.72rem;
  padding: 4px 12px;
}

.sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-module {
  border-bottom: 1px solid var(--border-color);
}

.nav-module-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 10px 20px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

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

.nav-module-btn.active {
  color: var(--accent-gold);
}

.nav-lessons {
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.nav-module.open .nav-lessons {
  max-height: 500px;
}

.nav-lessons li a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px 8px 32px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-tertiary);
  transition: background 0.15s, color 0.15s;
  border-left: 2px solid transparent;
}

.nav-lessons li a .lesson-check {
  flex-shrink: 0;
}

.nav-lessons li a:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.nav-lessons li a.current {
  color: var(--accent-gold);
  background: rgba(197,165,90,0.08);
  border-left-color: var(--accent-gold);
}


/* Main Content */
.main-content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}

.content-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.sidebar-toggle {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 1rem;
  padding: 6px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
}

.sidebar-toggle:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

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

.header-module {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-gold-dim);
  font-weight: 600;
}

.content-header h1 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.video-theater {
  padding: 24px 40px 0;
  flex-shrink: 0;
}

.video-responsive {
  position: relative;
  width: 100%;
  max-width: 700px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 4px;
}

.video-responsive iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.audio-bar {
  padding: 12px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.audio-bar audio {
  width: 100%;
  height: 36px;
}

.content-scroll {
  flex: 1;
  overflow-y: auto;
}

.transcript-area {
  padding: 32px 40px 24px;
}

.transcript-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-primary);
  max-width: 700px;
}

.transcript-text p {
  margin-bottom: 16px;
}

.transcript-heading {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.transcript-subheading {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

.transcript-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 24px 0;
}


/* Control Deck (Right Sidebar) */
.control-deck {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.btn-socratic {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: var(--accent-gold);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn-socratic:hover {
  background: var(--accent-gold-dim);
}

.btn-socratic:disabled {
  cursor: default;
}

.btn-socratic.started {
  background: rgba(74, 124, 89, 0.15);
  color: #4a7c59;
  border: 1px solid rgba(74, 124, 89, 0.3);
}

.btn-deck-complete {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-deck-complete:hover {
  border-color: #4a7c59;
  color: #4a7c59;
}

.btn-deck-complete.completed {
  border-color: #4a7c59;
  background: rgba(74, 124, 89, 0.12);
  color: #4a7c59;
}


/* Right Sidebar - Chat */
.sidebar-right {
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.chat-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.chat-status {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--accent-gold-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.chat-welcome {
  text-align: center;
  padding: 24px 12px;
  color: var(--text-secondary);
}

.welcome-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 auto 16px;
}

.chat-welcome p {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 1.5;
}

.msg {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  align-items: flex-start;
}

.msg.user {
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 600;
  flex-shrink: 0;
}

.msg-avatar.model {
  background: var(--accent-gold);
  color: var(--bg-primary);
}

.msg-avatar.user {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.msg-body {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 1.55;
  max-width: 85%;
}

.msg.model .msg-body {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.msg.user .msg-body {
  background: var(--accent-gold);
  color: var(--bg-primary);
}

.msg-body code {
  background: var(--bg-primary);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.8em;
}

.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 9px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  transition: border-color 0.2s;
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.chat-input::placeholder {
  color: var(--text-tertiary);
}

.chat-send-btn {
  background: var(--accent-gold);
  border: none;
  border-radius: var(--radius);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--bg-primary);
  transition: background 0.15s;
  flex-shrink: 0;
}

.chat-send-btn:hover {
  background: var(--accent-gold-dim);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* ==================== SHARED ==================== */

.spinner-wrap {
  display: flex;
  justify-content: center;
  padding: 32px;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.empty-msg {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-primary);
  z-index: 200;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

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

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }


/* ==================== AUTH PAGES ==================== */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 50%);
  padding: 40px 20px;
}

.auth-container {
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.auth-brand {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 32px;
}
.auth-brand span { color: var(--accent-gold); }

.auth-container h1 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.auth-subtitle {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-tertiary);
  margin-bottom: 28px;
}

.auth-error {
  background: rgba(139,58,58,0.15);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  padding: 10px 16px;
  margin-bottom: 20px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: #d49a9a;
  text-align: left;
}

.auth-form {
  text-align: left;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 11px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.form-group input::placeholder {
  color: var(--text-tertiary);
}

.auth-btn {
  display: block;
  width: 100%;
  background: var(--accent-gold);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius);
  padding: 12px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  text-align: center;
  text-decoration: none;
}

.auth-btn:hover {
  background: var(--accent-gold-dim);
  color: var(--bg-primary);
}

.auth-footer {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.auth-footer a {
  color: var(--accent-gold);
}


/* ==================== PROFILE PAGE ==================== */

.profile-container {
  width: 100%;
  max-width: 520px;
}

.profile-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}

.profile-logout {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-tertiary);
  transition: color 0.2s;
}
.profile-logout:hover { color: var(--accent-gold); }

.profile-header {
  text-align: center;
  margin-bottom: 36px;
}

.profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 16px;
}

.profile-header h1 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 4px;
}

.profile-role {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--accent-gold-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.profile-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.profile-section h2 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.profile-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
  flex-wrap: wrap;
}

.profile-detail:last-child {
  border-bottom: none;
}

.detail-label {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.detail-value {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

.course-card-mini {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
}

.course-card-mini:last-child {
  margin-bottom: 0;
}

.course-card-mini h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--accent-gold);
  margin-bottom: 4px;
}

.course-card-mini p {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}

.profile-actions {
  margin-top: 8px;
}

/* Nav auth links */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nav-auth-link {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav-auth-link:hover { color: var(--accent-gold); }

.nav-auth-btn {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--accent-gold);
  color: var(--bg-primary);
  padding: 6px 16px;
  border-radius: 99px;
  transition: background 0.15s;
}
.nav-auth-btn:hover {
  background: var(--accent-gold-dim);
  color: var(--bg-primary);
}

.nav-user-name {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-secondary);
}


/* ==================== ADMIN DASHBOARD ==================== */

.admin-page {
  min-height: 100vh;
  background: var(--bg-primary);
}

.admin-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
  flex-wrap: wrap;
}

.admin-nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent-gold);
  background: rgba(197,165,90,0.12);
  border: 1px solid rgba(197,165,90,0.3);
  padding: 4px 12px;
  border-radius: 99px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.admin-header {
  text-align: center;
  padding: 40px 32px 24px;
}

.admin-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.admin-subtitle {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

.admin-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 0 32px 24px;
}

.admin-tab {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 10px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}

.admin-tab:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.admin-tab.active {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border-color: var(--accent-gold);
}

.admin-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px 60px;
}

.admin-panel {
  display: none;
}

.admin-panel.active {
  display: block;
}

.admin-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-panel-header h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--text-primary);
}

.admin-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.admin-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

.admin-table thead {
  background: var(--bg-elevated);
}

.admin-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr:hover {
  background: var(--bg-card);
}

.cell-id {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  width: 50px;
}

.cell-email {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

.cell-date {
  color: var(--text-tertiary);
  font-size: 0.82rem;
  white-space: nowrap;
}

.cell-progress {
  min-width: 120px;
}

.progress-bar-wrap {
  width: 80px;
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-green);
  border-radius: 3px;
  transition: width 0.3s;
}

.progress-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  vertical-align: middle;
}

.role-admin {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  background: rgba(197,165,90,0.12);
  padding: 2px 10px;
  border-radius: 99px;
}

.role-citizen {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  background: var(--bg-primary);
  padding: 2px 10px;
  border-radius: 99px;
}

.loading-cell, .empty-cell {
  text-align: center;
  padding: 40px 16px;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
}

.mind-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

.mind-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}

.mind-user {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.mind-lesson {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--accent-gold);
  background: rgba(197,165,90,0.1);
  padding: 3px 10px;
  border-radius: 99px;
}

.mind-exchange {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mind-student, .mind-davos {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.5;
}

.mind-student {
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent-gold);
}

.mind-davos {
  background: var(--bg-secondary);
  border-left: 3px solid var(--accent-green);
}

.mind-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.mind-student p, .mind-davos p {
  color: var(--text-secondary);
  font-family: var(--font-body);
  margin: 0;
}


/* ==================== RESPONSIVE ==================== */

@media (max-width: 1100px) {
  :root {
    --chat-w: 280px;
  }
}

@media (max-width: 900px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
  }

  .sidebar-left {
    display: none;
  }

  .sidebar-right {
    border-left: none;
    border-top: 1px solid var(--border-color);
    max-height: 300px;
  }

  .transcript-area {
    padding: 20px;
  }

  .landing-hero h1 {
    font-size: 2rem;
  }
}


/* ===========================
   THE AGORA (Community Page)
   =========================== */

.agora-page {
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.agora-page .nav-links-center {
  display: flex;
  gap: 20px;
}

.agora-page .nav-links-center .nav-auth-link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.agora-page .nav-links-center .nav-auth-link.active {
  color: var(--accent-gold);
  border-bottom: 2px solid var(--accent-gold);
  padding-bottom: 2px;
}

.agora-hero {
  position: relative;
  width: 100%;
  max-height: 400px;
  overflow: hidden;
}

.agora-hero-img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  filter: grayscale(100%);
  display: block;
}

.agora-hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
}

.agora-intro {
  max-width: 720px;
  margin: -40px auto 30px;
  position: relative;
  z-index: 1;
  padding: 0 24px;
}

.agora-quote {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  text-align: center;
}

.agora-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

.agora-compose {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 32px;
}

.agora-compose h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.agora-compose textarea {
  width: 100%;
  min-height: 100px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 12px;
  resize: vertical;
  line-height: 1.6;
}

.agora-compose textarea::placeholder {
  color: var(--text-tertiary);
  font-style: italic;
}

.agora-compose textarea:focus {
  outline: none;
  border-color: var(--accent-gold-dim);
}

.compose-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.char-count {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.btn-post {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius);
  padding: 8px 20px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-post:hover {
  background: var(--accent-gold-dim);
}

.btn-post:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.empty-feed {
  text-align: center;
  color: var(--text-tertiary);
  font-style: italic;
  font-family: var(--font-body);
  padding: 40px 0;
}

.agora-post {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

.agora-reply {
  margin-left: 32px;
  border-left: 2px solid var(--accent-gold-dim);
  background: var(--bg-secondary);
}

.post-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.post-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-gold-dim);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.post-meta {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.post-author {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.post-time {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.btn-delete-post {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.2s;
}

.btn-delete-post:hover {
  color: var(--danger);
}

.post-body {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 10px;
  word-wrap: break-word;
}

.post-actions {
  display: flex;
  gap: 12px;
}

.btn-reply {
  background: none;
  border: none;
  color: var(--accent-gold-dim);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

.btn-reply:hover {
  color: var(--accent-gold);
}

.reply-form-area {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.reply-input {
  width: 100%;
  min-height: 60px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 10px;
  resize: vertical;
  line-height: 1.5;
}

.reply-input::placeholder {
  color: var(--text-tertiary);
  font-style: italic;
}

.reply-input:focus {
  outline: none;
  border-color: var(--accent-gold-dim);
}

.reply-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.btn-cancel-reply {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  padding: 6px 14px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-cancel-reply:hover {
  border-color: var(--text-tertiary);
}

.btn-submit-reply {
  background: var(--accent-gold-dim);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-submit-reply:hover {
  background: var(--accent-gold);
}

.replies-container {
  margin-top: 8px;
}

@media (max-width: 600px) {
  .agora-reply {
    margin-left: 16px;
  }

  .agora-intro {
    margin-top: -20px;
  }

  .agora-compose {
    padding: 14px;
  }

  .agora-page .nav-links-center {
    display: none;
  }
}

/* ── Contact Page ── */
.contact-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 40px 20px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 60px 50px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.contact-name {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.contact-title {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 400;
  font-style: italic;
  color: var(--accent-gold);
  margin-bottom: 28px;
}

.contact-body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.contact-email-btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--bg-primary);
  background: var(--accent-gold);
  padding: 12px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.15s;
}

.contact-email-btn:hover {
  background: var(--accent-gold-dim);
  transform: translateY(-1px);
}

@media (max-width: 600px) {
  .contact-card {
    padding: 40px 24px;
  }

  .contact-name {
    font-size: 1.6rem;
  }
}