/* ==========================================================================
   Birlikte İzle | Watch Party - Modern Cinema CSS System
   ========================================================================== */

:root {
  --bg-main: #07090e;
  --bg-card: rgba(15, 22, 36, 0.85);
  --bg-card-hover: rgba(22, 32, 54, 0.95);
  --bg-surface: #101726;
  --bg-input: rgba(10, 15, 26, 0.7);

  --accent-pink: #f43f5e;
  --accent-purple: #8b5cf6;
  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-gradient: linear-gradient(135deg, #f43f5e 0%, #8b5cf6 50%, #6366f1 100%);
  --accent-glow: rgba(139, 92, 246, 0.35);

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

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.5);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px var(--accent-glow);

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(244, 63, 94, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(99, 102, 241, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Glassmorphism utility */
.glassmorphism {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   BUTTONS & INPUTS
   ========================================================================== */

button {
  font-family: var(--font-heading);
  cursor: pointer;
  border: none;
  outline: none;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn {
  padding: 10px 20px;
  font-size: 0.95rem;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(244, 63, 94, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
  filter: brightness(1.08);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.1);
}

.btn-danger-soft {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.btn-danger-soft:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fca5a5;
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-glow:hover::after {
  opacity: 1;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-wrapper:focus-within {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.input-icon {
  padding-left: 14px;
  font-size: 1.1rem;
  opacity: 0.7;
}

input[type="text"],
input[type="url"] {
  width: 100%;
  padding: 12px 14px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
}

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

/* ==========================================================================
   VIEW 1: LOBBY
   ========================================================================== */

.view-container {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#view-lobby {
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lobby-card {
  width: 100%;
  max-width: 480px;
  padding: 40px 36px;
  text-align: center;
  animation: fadeInDown 0.6s ease-out;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #fda4af;
  margin-bottom: 20px;
}

.heart-pulse {
  animation: heartBeat 1.4s infinite;
}

.lobby-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.lobby-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-group {
  text-align: left;
}

.input-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.join-detected-box {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 16px;
  border-radius: var(--radius-md);
  text-align: center;
}

.detected-info {
  margin-bottom: 12px;
}

.detected-info p {
  margin-top: 6px;
  font-size: 0.95rem;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 12px 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}

.divider span {
  padding: 0 12px;
}

.join-room-row {
  display: flex;
  gap: 10px;
}

.join-room-row .input-wrapper {
  flex: 1;
}

.lobby-features {
  display: flex;
  justify-content: space-around;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.feature-icon {
  font-size: 1.4rem;
}

/* ==========================================================================
   VIEW 2: ROOM HEADER
   ========================================================================== */

#view-room {
  padding: 12px 18px 18px 18px;
  max-width: 1800px;
  margin: 0 auto;
}

.room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  margin-bottom: 14px;
  border-radius: var(--radius-md);
}

.header-left,
.header-right,
.header-center {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  user-select: none;
}

.logo-icon {
  font-size: 1.4rem;
}

.room-code-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.room-code-badge:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--accent-purple);
}

.code-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.code-value {
  font-family: monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-pink);
  letter-spacing: 0.05em;
}

.copy-icon {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Status indicator badge */
.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-normal);
}

.status-badge.waiting {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge.connected {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-badge.waiting .status-indicator {
  background-color: #fbbf24;
  box-shadow: 0 0 10px #fbbf24;
  animation: pulseAmber 1.5s infinite;
}

.status-badge.connected .status-indicator {
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.role-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

.role-badge.host {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

.role-badge.guest {
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
}

/* ==========================================================================
   ROOM MAIN LAYOUT
   ========================================================================== */

.room-main {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 16px;
  height: calc(100vh - 100px);
  min-height: 580px;
}

@media (max-width: 1100px) {
  .room-main {
    grid-template-columns: 1fr;
    height: auto;
  }
}

/* ==========================================================================
   VIDEO STAGE (LEFT)
   ========================================================================== */

.video-stage {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  overflow: hidden;
}

/* Video Source Input Bar */
.video-source-panel {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.source-inputs {
  display: flex;
  gap: 10px;
  align-items: center;
}

.flex-grow {
  flex: 1;
}

.quick-samples {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.samples-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.sample-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.sample-tag:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--accent-purple);
  color: var(--text-primary);
}

.guest-source-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 0;
}

/* ==========================================================================
   VIDEO SCREEN CONTAINER
   ========================================================================== */

.player-wrapper {
  flex: 1;
  position: relative;
  background: #000000;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-container {
  width: 100%;
  height: 100%;
  position: relative;
  background: #000;
}

.video-target {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  object-fit: contain;
}

iframe.video-target {
  border: none;
}

/* Placeholder when no video is loaded */
.player-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background: radial-gradient(circle at center, rgba(30, 41, 59, 0.5) 0%, #000 80%);
  z-index: 2;
}

.placeholder-icon {
  font-size: 4rem;
  margin-bottom: 12px;
  animation: floatEmoji 3s ease-in-out infinite;
}

.player-placeholder h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.player-placeholder p {
  color: var(--text-muted);
  max-width: 440px;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Autoplay unmute overlay */
.unmute-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  backdrop-filter: blur(4px);
}

/* Guest shield overlay */
.guest-shield {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 10;
  pointer-events: none;
}

.guest-shield-badge {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ==========================================================================
   VIDEO CONTROLS PANEL
   ========================================================================== */

.player-controls-panel {
  padding: 10px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 16px;
}

.controls-left,
.controls-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-control-play {
  background: var(--accent-gradient);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  box-shadow: 0 2px 10px rgba(244, 63, 94, 0.3);
}

.btn-control-play:hover {
  transform: scale(1.04);
}

.time-display {
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 100px;
}

.time-divider {
  color: var(--text-muted);
}

/* Seek Bar */
.controls-center {
  flex: 1;
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  position: relative;
  cursor: pointer;
  transition: height var(--transition-fast);
}

.progress-bar-container:hover {
  height: 12px;
}

.progress-bar-buffered {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  width: 0%;
  pointer-events: none;
}

.progress-bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  width: 0%;
  pointer-events: none;
  box-shadow: 0 0 8px rgba(244, 63, 94, 0.4);
}

.progress-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform var(--transition-fast);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.progress-bar-container:hover .progress-thumb {
  transform: translate(-50%, -50%) scale(1);
}

/* Sync indicator */
.sync-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
}

.sync-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.sync-indicator.in-sync .sync-dot {
  background-color: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

.sync-indicator.syncing .sync-dot {
  background-color: var(--accent-amber);
  animation: pulseAmber 1s infinite;
}

/* Reaction Bar */
.reaction-bar {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.reaction-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.reaction-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-reaction {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  font-size: 1.15rem;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.btn-reaction:hover {
  transform: scale(1.25) translateY(-2px);
  background: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   LIVE CHAT SECTION (RIGHT)
   ========================================================================== */

.chat-section {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.chat-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-title-box {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-icon {
  font-size: 1.2rem;
}

.chat-header h2 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.participants-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* User mini pills */
.user-pill-list {
  display: flex;
  gap: 6px;
  padding: 8px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  overflow-x: auto;
}

.user-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  white-space: nowrap;
}

.user-pill.is-me {
  background: rgba(99, 102, 241, 0.15);
  color: #c7d2fe;
}

.user-pill.is-host {
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

/* Message stream */
.chat-messages-container {
  flex: 1;
  padding: 14px 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

/* Custom scrollbar */
.chat-messages-container::-webkit-scrollbar {
  width: 6px;
}

.chat-messages-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.chat-message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: fadeInMsg 0.25s ease-out;
}

.chat-message.me {
  align-self: flex-end;
}

.chat-message.other {
  align-self: flex-start;
}

.chat-message.system {
  align-self: center;
  max-width: 95%;
  margin: 4px 0;
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 3px;
  padding: 0 4px;
}

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

.chat-message.me .message-sender {
  color: var(--accent-cyan);
}

.sender-tag {
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 4px;
}

.sender-tag.host {
  background: rgba(244, 63, 94, 0.2);
  color: #f43f5e;
}

.message-bubble {
  padding: 9px 14px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.45;
  word-break: break-word;
}

.chat-message.me .message-bubble {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  color: #ffffff;
  border-bottom-right-radius: 2px;
}

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

.system-bubble {
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* Chat Input Form */
.chat-input-form {
  padding: 12px 14px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 8px;
  background: rgba(10, 15, 26, 0.5);
}

.chat-input-form input {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

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

.btn-send {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==========================================================================
   MODAL & TOASTS & FLOATING REACTIONS
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
  animation: fadeIn 0.2s ease-out;
}

.modal-card {
  width: 100%;
  max-width: 480px;
  padding: 28px;
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
}

.btn-close {
  background: transparent;
  color: var(--text-muted);
  font-size: 1.5rem;
  padding: 0;
  width: 32px;
  height: 32px;
}

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

.share-link-box {
  display: flex;
  gap: 10px;
  margin: 16px 0;
}

.share-link-box input {
  flex: 1;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--accent-cyan);
}

.qr-info-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  background: rgba(255, 255, 255, 0.04);
  padding: 12px;
  border-radius: var(--radius-md);
}

.qr-info-note span {
  font-weight: 700;
  color: var(--accent-amber);
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
}

.toast {
  background: rgba(16, 23, 38, 0.95);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease-out, fadeOutToast 0.3s ease-in 3.5s forwards;
}

.toast-success {
  border-left: 4px solid var(--accent-green);
}

.toast-info {
  border-left: 4px solid var(--accent-purple);
}

.toast-error {
  border-left: 4px solid var(--accent-pink);
}

/* Floating Reactions */
.reactions-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 90;
  overflow: hidden;
}

.floating-reaction {
  position: absolute;
  bottom: 20px;
  font-size: 2.2rem;
  animation: floatReaction 3.5s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  will-change: transform, opacity;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.floating-sender-name {
  font-size: 0.75rem;
  background: rgba(0, 0, 0, 0.7);
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInMsg {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeOutToast {
  to {
    opacity: 0;
    transform: translateY(10px);
  }
}

@keyframes heartBeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.2); }
  28% { transform: scale(1); }
  42% { transform: scale(1.2); }
  70% { transform: scale(1); }
}

@keyframes pulseAmber {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes floatEmoji {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes floatReaction {
  0% {
    transform: translateY(0) scale(0.6) rotate(0deg);
    opacity: 1;
  }
  70% {
    opacity: 1;
  }
  100% {
    transform: translateY(-85vh) scale(1.3) rotate(15deg);
    opacity: 0;
  }
}

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

@media (max-width: 768px) {
  #view-room {
    padding: 8px;
  }

  .room-header {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px;
  }

  .header-center {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .room-main {
    display: flex;
    flex-direction: column;
    height: auto;
  }

  .player-wrapper {
    min-height: 240px;
    aspect-ratio: 16 / 9;
  }

  .chat-section {
    min-height: 380px;
  }

  .quick-samples {
    display: none; /* Hide on small mobile to save space */
  }
}