/* ═══════════════════════════════════════════════════════════════════════════
   InstaScreen — Design System & Visual Aesthetics
   World-class SaaS Dark Theme with Neon Cyber Glow, Glassmorphism & Micro-animations
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Core Colors */
  --bg-dark: #070913;
  --bg-deep: #0b0f1d;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(22, 33, 62, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(139, 92, 246, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Accents */
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-purple: #a855f7;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --gradient-cyan-blue: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(168, 85, 247, 0.4));
  --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f43f5e 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow-purple: 0 0 35px rgba(139, 92, 246, 0.45);
  --shadow-glow-cyan: 0 0 35px rgba(6, 182, 212, 0.35);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Animated Background ──────────────────────────────────────────────────── */
.bg-animation {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.22;
  animation: orbFloat 24s ease-in-out infinite;
}

.bg-orb:nth-child(1) {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, #6366f1, #3b82f6);
  top: -15%;
  left: -10%;
  animation-duration: 22s;
}

.bg-orb:nth-child(2) {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8b5cf6, #d946ef);
  top: 40%;
  right: -15%;
  animation-delay: -6s;
  animation-duration: 26s;
}

.bg-orb:nth-child(3) {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #06b6d4, #3b82f6);
  bottom: -15%;
  left: 20%;
  animation-delay: -12s;
  animation-duration: 20s;
}

.bg-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -40px) scale(1.08); }
  50% { transform: translate(-30px, 30px) scale(0.94); }
  75% { transform: translate(40px, 50px) scale(1.04); }
}

/* ── Layout & Header ──────────────────────────────────────────────────────── */
.app-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  border-bottom: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(7, 9, 19, 0.75);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  box-shadow: var(--shadow-glow-purple);
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-text span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.header-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: #a5b4fc;
}

.live-pulse-dot {
  width: 7px;
  height: 7px;
  background: #34d399;
  border-radius: 50%;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* ── Main Container ───────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 48px 24px;
}

/* ── Hero Split Grid (Pre-Share State) ────────────────────────────────────── */
.pre-share-wrapper {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.hero-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  padding: 24px 0 40px;
}

.hero-copy-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: #c084fc;
  width: fit-content;
}

.hero-main-title {
  font-family: 'Outfit', sans-serif;
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

.hero-description strong {
  color: var(--text-primary);
}

.hero-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.feature-tag:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-glass-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 36px;
  border: none;
  border-radius: var(--radius-lg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  letter-spacing: -0.01em;
}

.btn-hero {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow-purple), 0 10px 25px rgba(0, 0, 0, 0.4);
  width: fit-content;
}

.btn-hero:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 50px rgba(168, 85, 247, 0.6), 0 15px 35px rgba(0, 0, 0, 0.5);
}

.btn-arrow {
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
}

.btn-hero:hover .btn-arrow {
  transform: translateX(4px);
}

.hero-trust-notes {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Hero Visual Showcase (Right Column) ──────────────────────────────────── */
.hero-visual-col {
  position: relative;
}

.visual-card-frame {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.2);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.visual-card-frame:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(168, 85, 247, 0.35);
  border-color: rgba(168, 85, 247, 0.4);
}

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

.visual-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7, 9, 19, 0.85) 100%);
  pointer-events: none;
}

/* Floating Live Data Chips */
.floating-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  z-index: 10;
  animation: floatChip 6s ease-in-out infinite;
}

.chip-top-left {
  top: 18px;
  left: 18px;
}

.chip-bottom-left {
  bottom: 18px;
  left: 18px;
  animation-delay: -2s;
}

.chip-bottom-right {
  bottom: 18px;
  right: 18px;
  animation-delay: -4s;
}

@keyframes floatChip {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.chip-dot-green {
  width: 9px;
  height: 9px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
}

.chip-icon {
  font-size: 1.1rem;
}

.chip-content {
  display: flex;
  flex-direction: column;
}

.chip-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.chip-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* ── Section Headers ──────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-subtitle {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-violet);
  margin-bottom: 8px;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ── 3-Step Process Section ───────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition-smooth);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-md);
}

.step-num {
  position: absolute;
  top: 24px;
  right: 28px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.07);
}

.step-icon-box {
  width: 52px;
  height: 52px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.step-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Features Grid Section ────────────────────────────────────────────────── */
.features-grid-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-box {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition-smooth);
}

.feature-box:hover {
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-box-icon {
  font-size: 28px;
  margin-bottom: 4px;
}

.feature-box h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.feature-box p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════ ACTIVE SHARE STATE (STUDIO DECK) ═══════════════════════ */
.active-share-deck {
  display: none;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

.active-share-deck.visible {
  display: block;
  animation: deckSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.pre-share-wrapper.hidden {
  display: none;
}

@keyframes deckSlideIn {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.studio-glass-panel {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-2xl);
  padding: 36px;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(0, 0, 0, 0.6);
}

.studio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.studio-live-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-full);
}

.live-rec-dot {
  width: 9px;
  height: 9px;
  background: #ef4444;
  border-radius: 50%;
  animation: liveRecPulse 1.4s infinite;
}

@keyframes liveRecPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
  50% { opacity: 0.5; box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

.live-rec-text {
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  color: #f87171;
  letter-spacing: 0.08em;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Video Monitor */
.monitor-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border-glass);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  margin-bottom: 28px;
}

.preview-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.monitor-top-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #34d399;
}

.monitor-res-tag {
  position: absolute;
  bottom: 14px;
  right: 14px;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

/* Share Link Box */
.share-box-container {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.share-box-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.share-input-row {
  display: flex;
  gap: 10px;
}

.share-url-input {
  flex: 1;
  padding: 13px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.share-url-input:focus {
  border-color: var(--accent-indigo);
}

.btn-copy {
  padding: 13px 24px;
  font-size: 0.9rem;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-md);
}

.share-quick-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
}

.broadcast-action-row {
  display: flex;
  justify-content: flex-end;
}

.btn-danger {
  background: var(--gradient-danger);
  color: white;
  box-shadow: 0 4px 20px rgba(244, 63, 94, 0.4);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(244, 63, 94, 0.6);
}

/* ── Live Chat System ─────────────────────────────────────────────────────── */
.chat-toggle-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  padding: 13px 22px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.5);
  transition: all var(--transition-smooth);
}

.chat-toggle-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 35px rgba(139, 92, 246, 0.7);
}

.chat-unread-badge {
  background: var(--accent-rose);
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  min-width: 20px;
  text-align: center;
  animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.18); }
}

.chat-drawer {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 370px;
  height: 500px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 48px);
  background: rgba(11, 15, 29, 0.95);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow: hidden;
  animation: chatSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes chatSlideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
}

.chat-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-action-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition-fast);
}

.chat-action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--border-glass-hover);
}

.chat-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

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

.chat-messages {
  flex: 1;
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}

.chat-empty {
  margin: auto;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.chat-empty-icon {
  font-size: 28px;
}

.msg-item {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: msgFadeIn 0.2s ease-out;
}

@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.msg-item.msg-self {
  align-self: flex-end;
}

.msg-item.msg-other {
  align-self: flex-start;
}

.msg-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 3px;
  padding: 0 4px;
}

.msg-item.msg-self .msg-meta {
  justify-content: flex-end;
}

.msg-sender {
  font-weight: 600;
  color: var(--text-secondary);
}

.msg-sender.host-tag {
  color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.15);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.msg-bubble {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.45;
  word-break: break-word;
}

.msg-item.msg-self .msg-bubble {
  background: var(--gradient-primary);
  color: white;
  border-bottom-right-radius: 2px;
}

.msg-item.msg-other .msg-bubble {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  border-bottom-left-radius: 2px;
}

.chat-input-form {
  padding: 12px 16px;
  border-top: 1px solid var(--border-glass);
  display: flex;
  gap: 8px;
  background: rgba(7, 9, 19, 0.6);
}

.chat-input {
  flex: 1;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.chat-input:focus {
  border-color: var(--accent-indigo);
  background: rgba(255, 255, 255, 0.08);
}

.chat-send-btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform var(--transition-fast);
}

.chat-send-btn:hover {
  transform: scale(1.06);
}

/* ── Viewer View Page Styles ──────────────────────────────────────────────── */
.viewer-container {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}

.viewer-state {
  text-align: center;
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-2xl);
  padding: 48px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-violet);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}

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

.stream-container {
  position: relative;
  width: 100%;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-glass);
  aspect-ratio: 16 / 9;
}

.viewer-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.viewer-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 24px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stream-container:hover .viewer-controls {
  opacity: 1;
}

.viewer-controls-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-glass);
  color: white;
  cursor: pointer;
  font-size: 1.1rem;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.2);
}

.unmute-banner {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
}

/* ── Toast Notification ───────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(40px);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass-hover);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow-purple);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-smooth);
  z-index: 2000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.app-footer {
  border-top: 1px solid var(--border-glass);
  padding: 24px 48px;
  background: rgba(7, 9, 19, 0.6);
  margin-top: auto;
}

.footer-content {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Utility Classes ──────────────────────────────────────────────────────── */
.hidden {
  display: none !important;
}

/* ── Responsive Media Queries ─────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-split-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-copy-col {
    align-items: center;
  }

  .hero-main-title {
    font-size: 2.5rem;
  }

  .hero-feature-tags {
    justify-content: center;
  }

  .hero-cta-group {
    align-items: center;
  }

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

  .features-grid-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 14px 20px;
  }

  .header-link {
    display: none;
  }

  .hero-main-title {
    font-size: 2rem;
  }

  .main-content {
    padding: 24px 16px;
  }

  .studio-glass-panel {
    padding: 20px;
  }

  .share-input-row {
    flex-direction: column;
  }

  .chat-drawer {
    width: 100vw;
    height: 75vh;
    bottom: 0;
    right: 0;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  }
}