/* ============================================
   MetaRoom – Global Styles
   Unified design system for all pages
   ============================================ */

:root {
  --bg: #08080f;
  --bg2: #0c0c18;
  --bg3: #12122a;
  --card: #0f0f22;
  --card-hover: #16163a;
  --border: #1e1e3e;
  --accent: #a855f7;
  --accent2: #6366f1;
  --accent3: #818cf8;
  --blue: #3b82f6;
  --green: #22c55e;
  --pink: #ec4899;
  --orange: #f97316;
  --danger: #ef4444;
  --text: #eeeef6;
  --text2: #7a7a9a;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(168, 85, 247, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 85, 247, 0.03) 1px, transparent 1px),
    radial-gradient(ellipse 70% 55% at 15% -5%, rgba(168, 85, 247, 0.13) 0%, transparent 65%),
    radial-gradient(ellipse 55% 45% at 85% 105%, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
  background-size: 48px 48px, 48px 48px, 100% 100%, 100% 100%;
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ═══════════ GRADIENT TEXT ═══════════ */
.gtext {
  background: linear-gradient(135deg, #a855f7, #6366f1, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ═══════════ NAV (shared across all app pages) ═══════════ */
.nav {
  display: flex;
  align-items: center;
  padding: 0 32px;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 15, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(30, 30, 62, 0.5);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-right: 40px;
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(168, 85, 247, 0.12);
}

/* Nav menu (app pages) */
.nav-menu {
  display: flex;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.15s;
}
.nav-link:hover {
  color: var(--text);
  background: rgba(168, 85, 247, 0.06);
}
.nav-link.active {
  color: var(--accent);
  background: rgba(168, 85, 247, 0.1);
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-right: 40px;
}

.nav-logo-group .nav-logo {
  margin-right: 0;
}

.nav-back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text2);
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  padding-left: 2px;
  transition: color 0.15s;
}
.nav-back-link:hover {
  color: var(--accent);
}

.nav-btn-ghost {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 13px;
  padding: 8px 16px;
  cursor: pointer;
  transition: color 0.15s;
}
.nav-btn-ghost:hover { color: var(--text); }

.nav-btn-accent {
  padding: 8px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 12px rgba(168, 85, 247, 0.2);
}
.nav-btn-accent:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(168, 85, 247, 0.3);
}

.user-pill {
  font-size: 12px;
  color: var(--text2);
  padding: 6px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-weight: 500;
}

/* ═══════════ BUTTONS ═══════════ */
.btn-big-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(168, 85, 247, 0.3);
}
.btn-big-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 32px rgba(168, 85, 247, 0.4);
}

.btn-submit {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-submit:hover { opacity: 0.9; }

.btn-join {
  flex: 1;
  padding: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-join:hover { opacity: 0.9; }

.btn-delete {
  padding: 10px 14px;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-delete:hover {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.4);
}

/* ═══════════ MODAL ═══════════ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}

.modal-box {
  position: relative;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  min-width: 380px;
  z-index: 1;
}

.modal-x {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s;
}
.modal-x:hover { color: var(--text); }

.modal-box h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.modal-sub {
  color: var(--text2);
  font-size: 13px;
  margin-bottom: 20px;
}

.modal-box form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-box input {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.15s;
}
.modal-box input:focus { outline: none; border-color: var(--accent); }

.auth-switch {
  margin-top: 16px;
  text-align: center;
  color: var(--text2);
  font-size: 13px;
}
.auth-switch a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  margin-left: 4px;
}
.auth-switch a:hover { text-decoration: underline; }

/* ═══════════ PAGE LAYOUT ═══════════ */
.page-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 32px 60px;
}

/* ═══════════ LANDING – HERO ═══════════ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 60px 24px 0;
  position: relative;
  overflow: hidden;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 20px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.hero-title {
  font-size: 68px;
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -2.5px;
  margin-bottom: 18px;
  color: var(--text);
}

.hero-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

.hero-glow {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center,
    rgba(168, 85, 247, 0.18) 0%,
    rgba(99, 102, 241, 0.08) 40%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.hero-canvas-inner {
  position: relative;
  z-index: 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(168, 85, 247, 0.15);
  background: var(--bg2);
  box-shadow:
    0 4px 60px rgba(168, 85, 247, 0.12),
    0 0 120px rgba(99, 102, 241, 0.06);
  aspect-ratio: 16/9;
}

.hero-canvas-inner canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-canvas-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
  z-index: 2;
  pointer-events: none;
}

/* ═══════════ LANDING – SECTIONS ═══════════ */
.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 10px;
}

.section-sub {
  text-align: center;
  color: var(--text2);
  font-size: 15px;
  max-width: 460px;
  margin: 0 auto;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 36px;
  border-top: 1px solid var(--border);
}

.footer-logo {
  font-weight: 700;
  font-size: 15px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-text {
  color: var(--text2);
  font-size: 12px;
}

/* ═══════════ DASHBOARD – HERO ═══════════ */
.dash-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 40px 0 32px;
}

.dash-hero h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 6px;
}

.dash-hero p {
  color: var(--text2);
  font-size: 15px;
}

/* ═══════════ DASHBOARD – PREVIEW ═══════════ */
.dash-preview-section h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
}

.dash-canvas-wrap {
  width: 100%;
  aspect-ratio: 21/9;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg2);
  margin-bottom: 48px;
}

.dash-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ═══════════ INFO CARDS (status page) ═══════════ */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  transition: all 0.2s;
}
.info-card:hover {
  border-color: rgba(168, 85, 247, 0.25);
  transform: translateY(-2px);
}

.info-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.info-card-icon.ic-purple { background: rgba(168, 85, 247, 0.12); color: var(--accent); }
.info-card-icon.ic-blue   { background: rgba(59, 130, 246, 0.12);  color: var(--blue); }
.info-card-icon.ic-green  { background: rgba(34, 197, 94, 0.12);   color: var(--green); }

.info-card-value {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.info-card-label {
  font-size: 12px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 2px;
}

/* ═══════════ SESSIONS PAGE ═══════════ */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0 20px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.page-header h2 {
  font-size: 20px;
  font-weight: 700;
}

.page-header-sub {
  color: var(--text2);
  font-size: 14px;
  margin-top: 4px;
}

.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.session-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.2s;
  position: relative;
}
.session-card:hover {
  border-color: rgba(168, 85, 247, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(168, 85, 247, 0.06);
}

.session-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.session-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.session-card .meta {
  font-size: 12px;
  color: var(--text2);
}

.session-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text2);
  padding: 4px 10px;
  background: var(--bg2);
  border-radius: 12px;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text2);
}
.status-dot.active {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.session-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.ai-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--blue));
  color: #fff;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
  margin-left: 6px;
  letter-spacing: 0.5px;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text2);
  grid-column: 1 / -1;
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 4px;
}

/* ═══════════ AVATARS PAGE ═══════════ */
.avatars-page {
  min-height: calc(100vh - 60px);
  padding: 40px 40px 60px;
}

.avatars-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--text);
  margin-bottom: 40px;
}

.avatar-section {
  max-width: 1100px;
  margin: 0 auto 44px;
}

.avatar-section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  padding-left: 4px;
}

.avatar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.avatar-card {
  background: rgba(15, 15, 34, 0.7);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 16px;
  padding: 24px 20px 20px;
  text-align: center;
  transition: all 0.25s;
  backdrop-filter: blur(8px);
}

.avatar-card:hover {
  border-color: rgba(168, 85, 247, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(168, 85, 247, 0.15);
}

.avatar-img-wrap {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid rgba(168, 85, 247, 0.35);
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.2);
}

.avatar-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.avatar-role {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 16px;
}

.avatar-call-btn {
  width: 100%;
  padding: 10px 0;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 12px rgba(168, 85, 247, 0.3);
}

.avatar-call-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.45);
}

a.avatar-call-btn {
  display: block;
  text-align: center;
  text-decoration: none;
}

/* ═══════════ AVATAR CALL PAGE ═══════════ */
.call-page {
  height: calc(100vh - 60px);
  padding: 24px 40px 24px;
  display: flex;
  flex-direction: column;
}

.call-header {
  text-align: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.call-header h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.call-header p {
  color: var(--text2);
  font-size: 15px;
}

.call-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(15, 15, 34, 0.5);
  transition: all 0.15s;
  margin-bottom: 16px;
}
.call-back-btn:hover {
  color: var(--accent);
  border-color: rgba(168, 85, 247, 0.4);
  background: rgba(168, 85, 247, 0.08);
}

.call-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 24px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  min-height: 0;
}

/* Video area */
.call-video-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
}

.call-video-main {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--card);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 16px;
  overflow: hidden;
}

.call-video-main video,
.call-video-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-canvas-3d {
  width: 100%;
  height: 100%;
  display: block;
}

.call-self-video {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 140px;
  aspect-ratio: 4/3;
  background: var(--bg3);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 10px;
  overflow: hidden;
}

.call-self-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.call-name-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Call controls */
.call-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.call-ctrl-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 18px;
}

.call-ctrl-btn.ctrl-start {
  background: var(--green);
  color: #fff;
  box-shadow: 0 2px 12px rgba(34, 197, 94, 0.3);
}
.call-ctrl-btn.ctrl-start:hover { box-shadow: 0 4px 20px rgba(34, 197, 94, 0.5); }

.call-ctrl-btn.ctrl-end {
  background: var(--danger);
  color: #fff;
  box-shadow: 0 2px 12px rgba(239, 68, 68, 0.3);
}
.call-ctrl-btn.ctrl-end:hover { box-shadow: 0 4px 20px rgba(239, 68, 68, 0.5); }

.call-ctrl-btn.ctrl-toggle {
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent);
  border: 1px solid rgba(168, 85, 247, 0.3);
}
.call-ctrl-btn.ctrl-toggle:hover {
  background: rgba(168, 85, 247, 0.25);
}
.call-ctrl-btn.ctrl-toggle.off {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Chat sidebar */
.call-chat {
  display: flex;
  flex-direction: column;
  background: rgba(15, 15, 34, 0.7);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 16px;
  overflow: hidden;
  max-height: calc(100vh - 160px);
}

.call-chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(168, 85, 247, 0.15);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.call-chat-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
}

.chat-msg {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  max-width: 90%;
}

.chat-msg.msg-ai {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.15);
  align-self: flex-start;
}

.chat-msg.msg-user {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.2);
  align-self: flex-end;
}

.chat-msg .msg-sender {
  font-weight: 600;
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.chat-msg .msg-text {
  color: var(--text);
}

.call-chat-input {
  padding: 12px 16px;
  border-top: 1px solid rgba(168, 85, 247, 0.15);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.call-chat-input input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  transition: border-color 0.15s;
}
.call-chat-input input:focus { outline: none; border-color: var(--accent); }

.call-chat-btns {
  display: flex;
  gap: 8px;
}

.chat-send-btn {
  flex: 1;
  padding: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.chat-send-btn:hover { opacity: 0.9; }

.chat-speak-btn {
  flex: 1;
  padding: 9px;
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.chat-speak-btn:hover {
  background: rgba(168, 85, 247, 0.1);
}
.chat-speak-btn.recording {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: var(--danger);
}

/* ═══════════ CALL SIDEBAR (Chat + Knowledge tabs) ═══════════ */
.call-sidebar {
  display: flex;
  flex-direction: column;
  background: rgba(15, 15, 34, 0.7);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 16px;
  overflow: hidden;
  min-height: 0;
}

.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid rgba(168, 85, 247, 0.15);
}

.sidebar-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  border-bottom: 2px solid transparent;
}
.sidebar-tab:hover { color: var(--text); }
.sidebar-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(168, 85, 247, 0.05);
}

.sidebar-panel {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}
.sidebar-panel.active {
  display: flex;
}

#panel-chat {
  flex: 1;
}

#panel-knowledge {
  padding: 16px;
  overflow-y: auto;
  gap: 16px;
}

.knowledge-section {
  margin-bottom: 16px;
}

.knowledge-heading {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text2);
  margin-bottom: 8px;
}

.persona-card {
  font-size: 12px;
  color: var(--text);
  line-height: 1.6;
  padding: 10px 12px;
  background: rgba(168, 85, 247, 0.06);
  border: 1px solid rgba(168, 85, 247, 0.12);
  border-radius: 8px;
}

.persona-card .persona-trait {
  margin-bottom: 4px;
}
.persona-card .persona-label {
  color: var(--accent);
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.knowledge-file-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.knowledge-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(15, 15, 34, 0.5);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12px;
}

.knowledge-file-item .kf-name {
  color: var(--text);
  font-weight: 500;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.knowledge-file-item .kf-meta {
  color: var(--text2);
  font-size: 10px;
  margin: 0 8px;
  white-space: nowrap;
}

.knowledge-file-item .kf-delete {
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-size: 14px;
  padding: 0 4px;
  transition: color 0.15s;
}
.knowledge-file-item .kf-delete:hover { color: var(--danger); }

.knowledge-upload {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.knowledge-quick-add {
  display: flex;
  gap: 6px;
}

.knowledge-quick-add input {
  flex: 1;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
}
.knowledge-quick-add input:focus { outline: none; border-color: var(--accent); }

.knowledge-empty {
  color: var(--text2);
  font-size: 12px;
  text-align: center;
  padding: 12px;
}

.typing-dots {
  opacity: 0.6;
  animation: blink 1s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.2; }
}

/* ═══════════ LIVE ROOM / SESSIONS ═══════════ */
.camera-status {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text2);
}

.live-room-section {
  margin-top: 24px;
}

.live-room-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.live-room-card:hover {
  border-color: rgba(168,85,247,0.3);
}

.live-room-preview {
  position: relative;
  background: #0a0a14;
  min-height: 340px;
}
.live-room-preview canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.live-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(15,15,26,0.85);
  border: 1px solid rgba(239,68,68,0.4);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: #ef4444;
  backdrop-filter: blur(6px);
}
.live-badge .status-dot { background: #ef4444; }

.live-room-info {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.live-room-info h2 {
  font-size: 24px;
  margin-bottom: 8px;
}
.live-room-desc {
  color: var(--text2);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.live-room-stats {
  display: flex;
  gap: 24px;
}
.live-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.live-stat-num {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.live-stat-label {
  font-size: 11px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* Persons section */
.persons-section {
  margin-top: 32px;
}
.persons-section h2 {
  margin-bottom: 16px;
}

.persons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.person-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.person-card:hover { border-color: rgba(168,85,247,0.3); }
.person-card.registered { border-left: 3px solid var(--green); }
.person-card.unknown { border-left: 3px solid var(--orange); }

.person-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.person-card.registered .person-avatar { color: var(--green); }
.person-card.unknown .person-avatar { color: var(--orange); }

.person-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.person-name {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.person-pos {
  font-size: 11px;
  color: var(--text2);
  margin-top: 2px;
}

.person-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.badge-known {
  background: rgba(34,197,94,0.12);
  color: var(--green);
  border: 1px solid rgba(34,197,94,0.2);
}
.badge-unknown {
  background: rgba(249,115,22,0.12);
  color: var(--orange);
  border: 1px solid rgba(249,115,22,0.2);
}

/* Camera modal form styles */
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 900px) {
  .hero-title { font-size: 42px; }
  .nav-menu { display: none; }
  .dash-hero { flex-direction: column; align-items: flex-start; gap: 16px; }
  .sessions-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .avatar-grid { grid-template-columns: repeat(2, 1fr); }
  .call-layout { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 32px; }
  .nav { padding: 0 16px; }
  .avatar-grid { grid-template-columns: 1fr; }
  .avatars-page { padding: 24px 16px 40px; }
  .call-page { padding: 16px 16px 16px; }
}

/* ============================================
   Scan Room (3D scene page)
   ============================================ */

body.scan-room-body {
  background: #0f0f1a;
  overflow: hidden;
  font-family: 'Segoe UI', sans-serif;
}

#room-canvas {
  display: block;
  width: 100vw;
  height: 100vh;
}

#hud {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 10;
}

#top-bar {
  position: absolute;
  top: 16px; left: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
}

.back-btn {
  background: rgba(15,15,26,0.8);
  border: 1px solid rgba(79,140,255,0.3);
  color: #e8e8f0;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: border-color 0.2s;
}
.back-btn:hover { border-color: rgba(79,140,255,0.8); }

#room-title {
  background: rgba(15,15,26,0.7);
  border: 1px solid rgba(79,140,255,0.2);
  color: #e8e8f0;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  backdrop-filter: blur(6px);
}

#controls-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15,15,26,0.75);
  border: 1px solid rgba(79,140,255,0.2);
  color: #8888a0;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 12px;
  backdrop-filter: blur(6px);
  letter-spacing: 0.5px;
}


#loading {
  position: fixed;
  inset: 0;
  background: #0f0f1a;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
  gap: 16px;
}

#loading h2 {
  color: #e8e8f0;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 2px;
}

#loading-progress {
  color: #8888a0;
  font-size: 13px;
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(79,140,255,0.15);
  border-radius: 2px;
  overflow: hidden;
}

.loader-fill {
  height: 100%;
  background: linear-gradient(90deg, #4f8cff, #a855f7);
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s;
}

/* Sit / Stand action button — bottom-right corner of the 3D scene */
#action-bar {
  position: absolute;
  bottom: 80px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: all;
}

.action-btn {
  background: linear-gradient(135deg, rgba(79,140,255,0.9), rgba(168,85,247,0.9));
  border: 1px solid rgba(255,255,255,0.15);
  color: #ffffff;
  padding: 10px 22px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.4px;
  cursor: pointer;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(79,140,255,0.25);
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  min-width: 110px;
  text-align: center;
}

.action-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(79,140,255,0.4);
}

.action-btn:active:not(:disabled) {
  transform: translateY(0);
}

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