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

:root {
  --bg-primary:   #0e0e10;
  --bg-secondary: #18181b;
  --bg-tertiary:  #1f1f23;
  --bg-hover:     #26262c;
  --text-primary: #efeff1;
  --text-muted:   #adadb8;
  --accent:       #9147ff;
  --accent-hover: #772ce8;
  --live-red:     #eb0400;
  --support-gold: #f5a623;
  --border:       #2f2f35;
  --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* ── Header ── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 50px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

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

.header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

/* Badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge--live {
  background: var(--live-red);
  color: #fff;
  animation: pulse-live 2s ease-in-out infinite;
}

.badge--offline {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.viewer-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.viewer-count[hidden] {
  display: none;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Header right */
.header__right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Chat toggle */
.btn-chat-toggle {
  padding: 5px 12px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-chat-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-chat-toggle--active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Support CTA */
.btn-support {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--support-gold);
  color: #1a1a1a;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn-support:hover {
  background: #e6951a;
  transform: scale(1.03);
}

.btn-support:active {
  transform: scale(0.97);
}

/* ── Main Layout ── */
.layout {
  display: flex;
  height: calc(100vh - 50px);
}

/* ── Player ── */
.player-wrap {
  flex: 1;
  min-width: 0;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.player {
  position: relative;
  width: 100%;
  height: 100%;
}

/* Player Controls */
.player__controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  opacity: 0;
  transition: opacity 0.25s;
}

.player:hover .player__controls {
  opacity: 1;
}

.player__btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.player__btn:hover {
  color: var(--accent);
}

.player__volume {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.player__volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
  cursor: pointer;
}

.player__volume::-moz-range-thumb {
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
  border: none;
  cursor: pointer;
}

.player__live-btn {
  margin-left: auto;
  background: var(--live-red);
  color: #fff;
  border: none;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
}

.player__live-btn:hover {
  background: #ff2020;
}

/* Unmute overlay */
.player__unmute {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.player__unmute[hidden] {
  display: none;
}

.player__unmute-btn {
  padding: 10px 20px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}

.player__unmute-btn:hover {
  background: rgba(145,71,255,0.8);
}

.player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.player__offline {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  color: var(--text-muted);
  gap: 12px;
}

.player__offline[hidden] {
  display: none;
}

.player__offline-icon {
  font-size: 3rem;
  color: var(--text-muted);
  opacity: 0.4;
}

.player__offline p {
  font-size: 1.1rem;
}

/* ── Chat ── */
.chat {
  width: 340px;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  transition: width 0.2s, min-width 0.2s;
}

.chat--hidden {
  display: none;
}

.chat__header {
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 0;
}

.chat__messages::-webkit-scrollbar { width: 6px; }
.chat__messages::-webkit-scrollbar-track { background: transparent; }
.chat__messages::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 3px; }

.chat__msg {
  padding: 4px 0;
  font-size: 0.875rem;
  line-height: 1.4;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.chat__nick {
  font-weight: 700;
  color: var(--accent);
}

.chat__text {
  color: var(--text-primary);
}

.chat__system {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
  text-align: center;
  padding: 20px 0;
}

/* Chat Form */
.chat__form {
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat__input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}

.chat__input:focus {
  border-color: var(--accent);
}

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

.chat__input--nick {
  max-width: 140px;
}

.chat__row {
  display: flex;
  gap: 6px;
}

.chat__row .chat__input {
  flex: 1;
}

.chat__send {
  padding: 8px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s;
}

.chat__send:hover {
  background: var(--accent-hover);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .layout {
    flex-direction: column;
    height: calc(100vh - 50px);
    overflow: hidden;
  }

  .player-wrap {
    flex: none;
    height: 56.25vw; /* 16:9 */
    max-height: 40vh;
  }

  .chat {
    width: 100%;
    min-width: unset;
    flex: 1;
    border-left: none;
    border-top: 1px solid var(--border);
    min-height: 0;
  }

  .chat--hidden {
    display: none;
  }

  .chat--hidden + .player-wrap,
  .layout:has(.chat--hidden) .player-wrap {
    max-height: none;
    flex: 1;
  }

  .chat__input--nick {
    max-width: 100%;
  }

  .chat__form {
    flex-direction: column;
  }

  .chat__form .chat__row {
    flex-direction: row;
  }
}