@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --bg-base: #0f1115;
  --glass-bg: rgba(30, 32, 38, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  --text-main: #f2f3f5;
  --text-muted: #a1a5b0;
  
  --accent: #5865f2;
  --accent-hover: #4752c4;
  --accent-glow: rgba(88, 101, 242, 0.4);
  
  --danger: #ed4245;
  --danger-hover: #c9383b;
  --success: #23a559;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-base);
  color: var(--text-main);
  min-height: 100vh;
  overflow: hidden; /* Prevent body scroll, grid scrolls internally */
}

/* ---------- Ambient Background ---------- */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg-base);
}
.blob {
  position: absolute;
  filter: blur(80px);
  opacity: 0.5;
  border-radius: 50%;
  animation: float 20s infinite alternate ease-in-out;
}
.blob-1 {
  top: -10%; left: -10%;
  width: 50vw; height: 50vw;
  background: rgba(88, 101, 242, 0.15);
  animation-delay: 0s;
}
.blob-2 {
  bottom: -20%; right: -10%;
  width: 60vw; height: 60vw;
  background: rgba(142, 68, 173, 0.12);
  animation-delay: -5s;
}
.blob-3 {
  top: 40%; left: 60%;
  width: 40vw; height: 40vw;
  background: rgba(35, 165, 89, 0.08);
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(5%, 10%) scale(1.1); }
  66% { transform: translate(-5%, 5%) scale(0.9); }
  100% { transform: translate(0, -10%) scale(1.05); }
}

/* ---------- Join Screen ---------- */
#join-panel {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
#join-panel[hidden] {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.join-card {
  width: 100%;
  max-width: 420px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: cardEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardEnter {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.icon-wrapper {
  width: 64px;
  height: 64px;
  background: rgba(88, 101, 242, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 24px;
  box-shadow: 0 0 20px var(--accent-glow);
}

.join-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.join-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

#join-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-left: 4px;
}

#join-form input {
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition);
}

#join-form input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  margin-top: 8px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

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

.error {
  color: var(--danger);
  font-size: 0.85rem;
  text-align: center;
  margin-top: -8px;
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ---------- Room ---------- */

#room-panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 1;
  transition: opacity 0.5s ease;
}
#room-panel[hidden] {
  opacity: 0;
  pointer-events: none;
  display: flex; /* keep layout ready */
}

.chrome {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

#room-header {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

#status-banner {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 11;
  background: rgba(237, 172, 66, 0.9);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  backdrop-filter: blur(8px);
}

/* ---------- Empty State ---------- */

.empty-state {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-muted);
  text-align: center;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.empty-state[hidden] {
  opacity: 0;
}
.empty-state svg {
  color: var(--text-muted);
  opacity: 0.6;
  margin-bottom: 16px;
}
.empty-state h2 {
  margin: 0 0 8px;
  color: var(--text-main);
  font-weight: 500;
  font-size: 1.25rem;
}
.empty-state p {
  margin: 0;
  font-size: 0.95rem;
  max-width: 500px;
  line-height: 1.5;
}

/* ---------- Grid & Tiles ---------- */

#grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(480px, 100%), 1fr));
  gap: 20px;
  padding: 96px 24px 120px; /* space for header and dock */
  align-content: center;
  overflow-y: auto;
  perspective: 1000px;
}

#grid.lobby-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: safe center;
  align-content: safe center;
  align-items: stretch;
}



.tile {
  position: relative;
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  width: 100%;
  max-height: calc(100vh - 200px);
  justify-self: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  animation: tileEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transform-origin: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
  border-color: rgba(255, 255, 255, 0.1);
}

.tile.local {
  border-color: rgba(88, 101, 242, 0.3);
  box-shadow: 0 8px 32px var(--accent-glow);
}

@keyframes tileEnter {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.tile video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Floating controls inside tile */
.tile-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, transparent 20%, transparent 80%, rgba(0,0,0,0.6) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

.tile:hover .tile-overlay {
  opacity: 1;
}

.tile .label {
  pointer-events: auto;
  align-self: flex-start;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tile.local .label::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.tile-controls {
  pointer-events: auto;
  align-self: flex-end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.05);
}

.audio-ctl {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 2px;
  transition: all var(--transition);
  overflow: hidden;
}

.audio-ctl .icon-btn {
  background: transparent;
  border: none;
  backdrop-filter: none;
}

.audio-ctl .icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.volume {
  width: 80px;
  opacity: 1;
  margin: 0 12px 0 4px;
  accent-color: var(--text-main);
  cursor: pointer;
}

.tile .stats {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(0, 0, 0, 0.8);
  color: #4ade80;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', Consolas, monospace;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  line-height: 1.6;
  pointer-events: none;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(74, 222, 128, 0.2);
}

/* ---------- Control Dock ---------- */

#control-bar {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-pill);
}

.select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.select-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

#control-bar select {
  appearance: none;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-main);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 10px 16px 10px 40px;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

#control-bar select:hover, #control-bar select:focus {
  background: rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.1);
  outline: none;
}

#control-bar select option {
  background: var(--bg-base);
  color: var(--text-main);
}

.divider {
  width: 1px;
  height: 24px;
  background: var(--glass-border);
  margin: 0 4px;
}

#share-btn {
  border-radius: var(--radius-pill);
  padding: 10px 24px 10px 20px;
  margin: 0;
}

#share-btn.sharing {
  background: var(--danger);
}
#share-btn.sharing:hover {
  background: var(--danger-hover);
  box-shadow: 0 4px 16px rgba(237, 66, 69, 0.4);
}

.btn-ghost {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  #grid {
    padding: 80px 16px 140px;
    gap: 16px;
  }
  
  #control-bar {
    width: calc(100% - 32px);
    flex-wrap: wrap;
    justify-content: center;
    border-radius: var(--radius-lg);
    padding: 16px;
    bottom: 16px;
  }
  
  .divider { display: none; }
  
  #control-bar select {
    flex: 1;
    min-width: 120px;
  }
  
  #share-btn {
    flex: 1 1 100%;
  }
}

@media (hover: none) {
  .tile-overlay { opacity: 1; background: transparent; }
  .tile-controls { background: rgba(0,0,0,0.5); padding: 4px; border-radius: var(--radius-pill); }
  .volume { width: 80px; opacity: 1; margin: 0 12px 0 4px; }
}

/* ---------- members panel ---------- */

.members-panel {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 320px;
  background: rgba(18, 18, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 50;
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  box-shadow: 8px 0 32px rgba(0, 0, 0, 0.3);
}

.members-panel[hidden] {
  display: flex !important;
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
}

.members-header {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.members-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.members-group {
  display: flex;
  flex-direction: column;
}

.group-title {
  margin: 16px 16px 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.members-divider {
  border: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.05);
  margin: 8px 16px;
}

.members-list {
  list-style: none;
  padding: 0 16px;
  margin: 0;
  overflow-y: auto;
  flex: 1;
}

.members-list::-webkit-scrollbar {
  width: 6px;
}

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

.members-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  transition: background var(--transition);
  position: relative;
}

.members-list li:hover {
  background: rgba(255, 255, 255, 0.08);
}

.members-list li.is-self {
  border-color: rgba(88, 101, 242, 0.4);
  background: rgba(88, 101, 242, 0.1);
}

.member-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.watchers-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.watch-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.watch-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 8px rgba(88, 101, 242, 0.4);
}

.watch-btn.watching {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.watch-btn.watching:hover {
  background: var(--danger);
  color: white;
}

.live-badge {
  background: var(--danger);
  color: white;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: bold;
  margin-right: 6px;
  animation: pulse-danger 2s infinite;
}

.lobby-card {
  display: flex;
  flex: 0 1 340px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 248px;
  width: 100%;
  background: rgba(30, 32, 38, 0.78);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 12px 36px rgba(4, 6, 12, 0.24);
}

.lobby-card-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: #9ea7ff;
  background: rgba(88, 101, 242, 0.12);
  border: 1px solid rgba(126, 138, 255, 0.2);
  border-radius: var(--radius-md);
}

.lobby-card h3 {
  margin: 0;
  max-width: 100%;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.lobby-card-status {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.lobby-card .btn-primary {
  min-width: 132px;
  margin-top: 24px;
  padding: 11px 22px;
}

@media (max-width: 768px) {
  #grid.lobby-grid {
    padding-inline: 20px;
  }

  .lobby-card {
    flex-basis: 100%;
    max-width: 360px;
    min-height: 224px;
    padding: 28px 24px;
  }
}

.member-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.member-name {
  flex: 1;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 10px;
  pointer-events: none;
}

#members-btn {
  position: relative;
}