:root {
  --twitch-purple: #9146ff;
  --bg-dark: #0e0e10;
  --bg-box: #18181b;
  --border: #2f2f35;
  --text: #efeff1;
  --text-dim: #adadb8;
}

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

html,
body {
  height: 100%;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  overflow: hidden;
}

.hidden {
  display: none !important;
}

/* ---------- Connect screen ---------- */

.connect-screen {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.connect-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  background: var(--bg-box);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 48px;
  width: 420px;
  max-width: 90vw;
}

.twitch-logo {
  width: 72px;
  height: 72px;
}

#channel-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0e0e10;
  color: var(--text);
  font-size: 16px;
  outline: none;
}

#channel-input:focus {
  border-color: var(--twitch-purple);
}

#connect-btn {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  background: var(--twitch-purple);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

#connect-btn:hover {
  background: #772ce8;
}

#connect-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.error-msg {
  color: #ff5c5c;
  font-size: 14px;
  text-align: center;
}

/* ---------- Stream layout ---------- */

.stream-layout {
  display: grid;
  grid-template-areas: "video chat";
  grid-template-columns: 3fr 1fr;
  grid-template-rows: 100vh;
}

.video-container {
  grid-area: video;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #000;
}

.chat-container {
  grid-area: chat;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg-box);
  border-left: 1px solid var(--border);
}

#chat {
  flex: 1;
  width: 100%;
  border: none;
}

#player {
  flex: 1;
  width: 100%;
  min-height: 0;
  background: #000;
}

/* ---------- Quality bar ---------- */

.quality-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-box);
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-dim);
}

#quality-select {
  background: #0e0e10;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 14px;
  outline: none;
}

.latency-display {
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.go-live-btn {
  margin-left: auto;
  padding: 6px 12px;
  border: 1px solid var(--twitch-purple);
  background: transparent;
  color: var(--twitch-purple);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.go-live-btn:hover {
  background: var(--twitch-purple);
  color: #fff;
}

/* ---------- Chat toggle ---------- */

.chat-toggle-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.chat-toggle-btn:hover {
  border-color: var(--twitch-purple);
  color: var(--text);
}

.chat-toggle-btn.active {
  border-color: var(--twitch-purple);
  color: var(--twitch-purple);
}

.stream-layout.chat-collapsed {
  grid-template-areas: "video";
  grid-template-columns: 1fr;
}

.stream-layout.chat-collapsed .chat-container {
  display: none;
}

@media (max-width: 900px) {
  .stream-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
  }
}