/* ------------------------------------------------------------------
 * multichat — dense, flat, platform-native chat surface.
 * ------------------------------------------------------------------ */

:root[data-theme="dark"] {
  --bg:        #0b0b0d;
  --bg-1:      #111114;
  --bg-2:      #16161a;
  --line:      #1f1f25;
  --line-2:    #2a2a32;
  --fg:        #ececef;
  --fg-1:      #b5b6bd;
  --fg-2:      #74757d;
  --twitch:    #a970ff;
  --youtube:   #ff4747;
  --accent:    #f0f0f3;
  --ok:        #34c759;
  --warn:      #f59e0b;
  --bad:       #ff453a;
}
:root[data-theme="light"] {
  --bg:        #ffffff;
  --bg-1:      #fafafb;
  --bg-2:      #f3f3f6;
  --line:      #e6e6ec;
  --line-2:    #d6d7df;
  --fg:        #0e0e12;
  --fg-1:      #4a4b54;
  --fg-2:      #7e7f88;
  --twitch:    #772ce8;
  --youtube:   #ff0000;
  --accent:    #0e0e12;
  --ok:        #16a34a;
  --warn:      #d97706;
  --bad:       #dc2626;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }  /* defeats display:grid/flex overriding the hidden attribute */
html, body { height: 100%; }
body {
  margin: 0;
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 2px; }
a:hover { text-decoration-color: var(--fg-1); }

/* ---------- Top bar ---------- */
.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  padding-top: max(8px, env(safe-area-inset-top));
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 44px;
}
.bar-left { display: flex; gap: 8px; align-items: center; }
.bar-right { display: flex; gap: 2px; align-items: center; margin-left: auto; }

/* Per-source status icon */
.status-icon {
  width: 16px; height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-2);
  transition: color 200ms;
}
.status-icon svg { width: 16px; height: 16px; display: block; }
.status-icon[data-state="connected"][data-platform="twitch"]         { color: var(--twitch); }
.status-icon[data-state="connected"][data-platform="youtube"]        { color: var(--youtube); }
.status-icon[data-state="connected"][data-platform="streamelements"] { color: var(--ok); }
.status-icon[data-state="connecting"] { color: var(--warn); }
.status-icon[data-state="error"]      { color: var(--bad); }

/* Segmented control */
.seg {
  display: inline-flex;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px;
}
.seg-btn {
  height: 28px;
  min-width: 40px;
  padding: 0 10px;
  border-radius: 6px;
  color: var(--fg-1);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: background 120ms, color 120ms;
}
.seg-btn:hover { color: var(--fg); }
.seg-btn[aria-selected="true"] {
  background: var(--bg);
  color: var(--fg);
  box-shadow: 0 0 0 1px var(--line-2);
}
.seg-ico { width: 14px; height: 14px; display: block; }
.seg-btn[data-filter="twitch"][aria-selected="true"]  { color: var(--twitch); }
.seg-btn[data-filter="youtube"][aria-selected="true"] { color: var(--youtube); }

/* Icon buttons */
.ico-btn {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 7px;
  color: var(--fg-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms, color 120ms;
}
.ico-btn:hover { background: var(--bg-2); color: var(--fg); }
.ico-btn:active { transform: scale(0.96); }
.ico-btn.active { color: var(--fg); background: var(--bg-2); }
.ico-btn svg { width: 18px; height: 18px; }
.ico-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 14px;
  height: 14px;
  padding: 0 3px;
  border-radius: 8px;
  background: var(--bad);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--bg);
}

:root[data-theme="dark"]  .ico-sun  { display: block; }
:root[data-theme="dark"]  .ico-moon { display: none;  }
:root[data-theme="light"] .ico-sun  { display: none;  }
:root[data-theme="light"] .ico-moon { display: block; }

/* ---------- Alert (StreamElements popup banner) ---------- */
.alert {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: center;
  margin: 8px 10px 0;
  padding: 10px 12px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 6px;
  animation: alert-in 180ms ease-out;
}
.alert[data-kind="follower"]    { border-left-color: var(--twitch); }
.alert[data-kind="subscriber"]  { border-left-color: var(--twitch); }
.alert[data-kind="tip"]         { border-left-color: #f5c518; }
.alert[data-kind="cheer"]       { border-left-color: #38bdf8; }
.alert[data-kind="raid"]        { border-left-color: var(--youtube); }
.alert[data-kind="communityGiftPurchase"],
.alert[data-kind="subBomb"],
.alert[data-kind="gift"]        { border-left-color: #ec4899; }
.alert[data-kind="superchat"]   { border-left-color: #f5c518; }
.alert[data-kind="membership"]  { border-left-color: var(--ok); }
.alert-ico {
  width: 18px; height: 18px;
  color: var(--fg-1);
  justify-self: center;
}
.alert-title { font-size: 13.5px; font-weight: 600; letter-spacing: -0.005em; }
.alert-detail { font-size: 12.5px; color: var(--fg-1); margin-top: 1px; }
.alert-time { font-size: 11.5px; color: var(--fg-2); margin-left: 6px; font-variant-numeric: tabular-nums; }
@keyframes alert-in { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }

/* ---------- Embed ---------- */
.embed {
  position: relative;
  margin: 8px 10px 0;
  background: #000;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.embed-mount, .embed-mount iframe { width: 100%; height: 100%; border: 0; display: block; }
.embed-x {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.embed-x svg { width: 14px; height: 14px; }

/* ---------- Chat list ---------- */
.chat {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0 14px;
  -webkit-overflow-scrolling: touch;
}
.chat::-webkit-scrollbar { width: 6px; }
.chat::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 3px; }
.chat::-webkit-scrollbar-track { background: transparent; }

.row {
  display: grid;
  grid-template-columns: 3px 1fr;
  column-gap: 8px;
  padding: 3px 12px 3px 8px;
  align-items: stretch;
  animation: row-in 120ms ease-out;
}
.row + .row { border-top: 1px solid transparent; }
.row:hover { background: var(--bg-1); }
@keyframes row-in { from { opacity: 0; } to { opacity: 1; } }

.row .strip {
  width: 3px;
  border-radius: 1.5px;
  background: var(--fg-2);
  align-self: stretch;
}
.row[data-platform="twitch"]  .strip { background: var(--twitch); }
.row[data-platform="youtube"] .strip { background: var(--youtube); }

.row .line { min-width: 0; padding: 2px 0; }
.row .name {
  font-weight: 600;
  letter-spacing: -0.005em;
  font-size: 13.5px;
  margin-right: 4px;
}
.row .sep { color: var(--fg-2); margin-right: 4px; }
.row .text {
  font-size: 14px;
  color: var(--fg);
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

/* Inline role tags */
.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1px 5px;
  margin-right: 4px;
  border-radius: 3px;
  background: var(--bg-2);
  color: var(--fg-1);
  border: 1px solid var(--line);
  vertical-align: 1px;
}
.tag.host       { background: color-mix(in srgb, var(--youtube) 14%, transparent); color: var(--youtube); border-color: color-mix(in srgb, var(--youtube) 30%, transparent); }
.tag.broadcaster{ background: color-mix(in srgb, var(--youtube) 14%, transparent); color: var(--youtube); border-color: color-mix(in srgb, var(--youtube) 30%, transparent); }
.tag.owner      { background: color-mix(in srgb, var(--youtube) 14%, transparent); color: var(--youtube); border-color: color-mix(in srgb, var(--youtube) 30%, transparent); }
.tag.moderator  { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 28%, transparent); }
.tag.vip        { background: color-mix(in srgb, #ec4899 14%, transparent); color: #ec4899; border-color: color-mix(in srgb, #ec4899 30%, transparent); }

/* Superchat row */
.row.type-superchat { background: color-mix(in srgb, #f5c518 12%, transparent); }
.row.type-superchat .strip { background: #f5c518; }
.row.type-superchat .amount {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #1a1300;
  background: #f5c518;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 6px;
}
.row.type-membership { background: color-mix(in srgb, var(--ok) 9%, transparent); }
.row.type-membership .strip { background: var(--ok); }

/* Staff messages */
.row.is-staff {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 4px;
  margin: 1px 6px;
  padding: 4px 12px 4px 6px;
}
.row.is-staff .strip { background: var(--accent); width: 4px; border-radius: 2px; }
.row.is-staff .text  { color: var(--fg); font-weight: 500; }
.row.is-staff .name  { font-weight: 700; }
.tag.staff {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  letter-spacing: 0.06em;
}

/* ---------- Jump-to-latest ---------- */
.jump {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.005em;
  z-index: 5;
}

/* ---------- History panel ---------- */
.hpanel {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 20;
  display: flex;
  flex-direction: column;
  animation: hpanel-in 180ms ease-out;
}
@keyframes hpanel-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.hpanel-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  padding-top: max(10px, env(safe-area-inset-top));
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 2;
}
.hpanel-title { font-size: 15px; font-weight: 600; letter-spacing: -0.005em; }
.hpanel-count { font-size: 12px; color: var(--fg-2); font-variant-numeric: tabular-nums; }
.hpanel-clear {
  margin-left: auto;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-1);
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 5px 10px;
  border-radius: 6px;
  transition: color 120ms, border-color 120ms;
}
.hpanel-clear:hover { color: var(--fg); border-color: var(--line-2); }
.hpanel-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0 16px;
}
.hpanel-list .alert {
  margin: 6px 10px 0;
  animation: none;  /* don't re-trigger animation on every render */
}
.hpanel-empty {
  padding: 80px 24px;
  text-align: center;
  color: var(--fg-2);
  font-size: 13px;
}

/* ---------- Wider screens ---------- */
@media (min-width: 720px) {
  body { font-size: 14.5px; }
  .row { padding: 3px 18px 3px 12px; column-gap: 10px; }
  .alert, .embed { margin: 10px 18px 0; }
  .chat { padding: 6px 0 18px; }
  .hpanel-list .alert { margin: 8px 18px 0; }
}