/* ============================================================
   TWITCH CHAT HUD — Meta Display
   600 × 600. Black bg (transparent on waveguide). Twitch purple
   accent. Very large message text — designed to be readable
   in glances while streaming.
   ============================================================ */

:root {
  --bg:           #000000;
  --line:         #2a1f44;
  --line-2:       #3a2f5a;

  --text:         #ffffff;
  --text-2:       #c6bdde;
  --text-3:       #8a82a8;
  --text-4:       #5a527a;

  --purple:       #a371ff;
  --purple-hi:    #c79bff;
  --purple-dim:   #6940c4;
  --purple-glow:  rgba(163, 113, 255, 0.55);

  --green:        #5cf28a;
  --green-glow:   rgba(92, 242, 138, 0.45);

  --amber:        #ffb84d;
  --red:          #ff5e7e;

  --pad-x:        22px;
  --pad-t:        18px;
  --pad-b:        14px;
}

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

html, body {
  width: 600px;
  height: 600px;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mono {
  font-family: "JetBrains Mono", "SF Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
}

.hidden { display: none !important; }

#app {
  position: relative;
  width: 100%;
  height: 100%;
}

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   HOME — channel picker
   ============================================================ */

#home {
  padding: var(--pad-t) var(--pad-x) var(--pad-b);
  gap: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--purple);
  color: #000;
  font-size: 18px;
  font-weight: 800;
  border-radius: 6px;
  box-shadow: 0 0 14px var(--purple-glow);
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.topbar-sub {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.15em;
}

.picker-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}

.picker-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--purple-hi);
  text-shadow: 0 0 12px var(--purple-glow);
}

.picker-sub {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.12em;
}

.channel-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 2px;
  overflow-y: auto;
  flex: 1 1 auto;
  scrollbar-width: none;
}
.channel-list::-webkit-scrollbar { display: none; }

.channel-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.01em;
  transition: background 80ms linear, border-color 80ms linear, color 80ms linear;
}

.channel-item .ci-hash {
  font-family: "JetBrains Mono", monospace;
  color: var(--text-4);
  font-size: 22px;
  font-weight: 600;
}

.channel-item .ci-tag {
  margin-left: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-3);
  padding: 2px 8px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
}

.channel-item.focused {
  background: rgba(163, 113, 255, 0.13);
  border-color: var(--purple);
  color: #fff;
  box-shadow: 0 0 18px var(--purple-glow);
}
.channel-item.focused .ci-hash { color: var(--purple-hi); }
.channel-item.focused .ci-tag {
  color: var(--purple-hi);
  border-color: var(--purple);
}

/* DEMO row — visually flagged as a non-network option */
.channel-item.is-demo {
  color: var(--text);
  border-color: var(--line-2);
  border-style: dashed;
}
.channel-item.is-demo .ci-hash { color: var(--amber); }
.channel-item.is-demo .ci-tag  { color: var(--amber); border-color: var(--amber); }
.channel-item.is-demo.focused {
  background: rgba(255,184,77,0.10);
  border-color: var(--amber);
  border-style: solid;
  box-shadow: 0 0 18px rgba(255,184,77,0.40);
}
.channel-item.is-demo.focused .ci-hash,
.channel-item.is-demo.focused .ci-tag { color: var(--amber); border-color: var(--amber); }

/* ============================================================
   CHAT — main view
   ============================================================ */

#chat {
  padding: var(--pad-t) var(--pad-x) 0;
}

.chat-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.chat-channel {
  font-size: 22px;
  font-weight: 700;
  color: var(--purple-hi);
  text-shadow: 0 0 10px var(--purple-glow);
  letter-spacing: 0.01em;
}

.chat-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
  animation: pulse 1.2s ease-in-out infinite;
}
.status-dot.live   { background: var(--green); box-shadow: 0 0 10px var(--green-glow); animation: none; }
.status-dot.error  { background: var(--red);   box-shadow: 0 0 10px rgba(255,94,126,0.55); animation: none; }
.status-dot.closed { background: var(--text-4); box-shadow: none; animation: none; }

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

.status-text {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-3);
}

.chat-feed-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  padding: 10px 0 8px;
}

/* Top fade — black gradient that hides any partially-clipped top message.
   Only shown when feed is actually scrolled (.has-overflow toggled by JS). */
.chat-feed-wrap::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 32px;
  background: linear-gradient(to bottom, #000 0%, #000 35%, transparent 100%);
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 120ms linear;
}
.chat-feed-wrap.has-overflow::before { opacity: 1; }

.chat-feed {
  list-style: none;
  position: absolute;
  inset: 10px 0 8px 0;
  overflow-y: auto;
  scrollbar-width: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0 2px 4px;
}
.chat-feed::-webkit-scrollbar { display: none; }

.msg {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.18;
  animation: msg-in 180ms ease-out;
}

@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.msg-user {
  font-weight: 800;
  letter-spacing: 0.005em;
  color: var(--purple-hi);
  text-shadow: 0 0 6px rgba(163,113,255,0.25);
  word-break: break-word;
}

.msg-body {
  color: #fff;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

.msg-body .emote {
  display: inline-block;
  padding: 0 4px;
  background: rgba(163,113,255,0.15);
  border-radius: 4px;
  color: var(--purple-hi);
  font-weight: 700;
}

/* Highlighted message types */
.msg.is-action .msg-body { color: var(--purple-hi); font-style: italic; }
.msg.is-mention { padding: 4px 8px; margin: 0 -8px; border-left: 3px solid var(--amber); background: rgba(255,184,77,0.06); border-radius: 0 6px 6px 0; }
.msg.is-mention .msg-user { color: var(--amber); }

/* Three text-size presets — Enter cycles via class on #chat */
#chat.size-1 .msg-user { font-size: 18px; }
#chat.size-1 .msg-body { font-size: 22px; }
#chat.size-1 .chat-feed { gap: 12px; }

#chat.size-2 .msg-user { font-size: 22px; }
#chat.size-2 .msg-body { font-size: 28px; }
#chat.size-2 .chat-feed { gap: 14px; }

#chat.size-3 .msg-user { font-size: 26px; }
#chat.size-3 .msg-body { font-size: 36px; }
#chat.size-3 .chat-feed { gap: 18px; }

.feed-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--text-4);
  pointer-events: none;
}

.paused-pill {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  padding: 6px 14px;
  background: rgba(0,0,0,0.85);
  border: 1px solid var(--amber);
  border-radius: 999px;
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.14em;
  box-shadow: 0 0 14px rgba(255,184,77,0.35);
}

.chat-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 0 var(--pad-b);
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-3);
  flex-shrink: 0;
}

.foot-sep {
  color: var(--text-4);
}

.foot-cell.warn { color: var(--amber); }
.foot-cell.err  { color: var(--red); }