:root {
  --bg-page: #0c0c0c;
  --bg-elev-1: #111111;
  --bg-elev-2: #161616;
  --bg-elev-3: #1c1c1c;
  --border: #272727;
  --border-soft: #323232;

  --text-primary: #e8e8e8;
  --text-secondary: #aaaaaa;
  --text-dim: #767676;

  --cyan: #22d3ee;
  --green: #22c55e;
  --orange: #f97316;
  --purple: #a78bfa;
  --blue: #3b82f6;
  --danger: #ef4444;

  --shadow: 0 14px 28px rgba(0, 0, 0, 0.38);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100dvh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text-primary);
  line-height: 1.55;
  background: linear-gradient(180deg, #101010 0%, var(--bg-page) 100%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  background: rgba(12, 12, 12, 0.9);
}

.topbar-inner {
  width: min(1240px, calc(100% - 34px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  font-family: "JetBrains Mono", monospace;
}

.brand-mark {
  color: var(--cyan);
  font-size: 1rem;
  font-weight: 700;
}

.brand-text {
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-u {
  color: var(--orange);
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.meta-pill,
.meta-link {
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: var(--bg-elev-2);
  color: var(--text-secondary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  padding: 4px 10px;
}

.meta-link {
  color: var(--cyan);
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.lang-toggle {
  border: none;
  border-radius: 0;
  background: none;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 4px 2px;
  margin-left: 4px;
  cursor: pointer;
  border-left: 1px solid var(--border-soft);
  padding-left: 12px;
  transition: color 0.18s ease;
}
.lang-toggle:hover {
  color: var(--cyan);
}

.meta-link:hover,
.meta-link:focus-visible {
  border-color: rgba(34, 211, 238, 0.55);
  color: #88e8f6;
}

.workspace {
  width: min(1240px, calc(100% - 34px));
  margin: 18px auto 28px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 12px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev-1);
  box-shadow: var(--shadow);
  padding: 14px;
}

.panel-wide {
  grid-column: 1 / -1;
}

.panel-head {
  margin-bottom: 10px;
}

.panel-head h2 {
  margin: 4px 0 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 1.01rem;
  line-height: 1.3;
}

.panel-head-inline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.panel-eyebrow {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.panel-sub {
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 0.83rem;
}

.channel-list,
.room-list,
.event-log,
.message-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.empty-item {
  border: 1px dashed #333333;
  border-radius: 10px;
  background: #141414;
  color: var(--text-dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.74rem;
  padding: 10px;
}

.channel-list {
  display: grid;
  gap: 7px;
}

.channel-item {
  width: 100%;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--bg-elev-2);
  padding: 8px 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: inherit;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.channel-item:hover,
.channel-item:focus-visible {
  border-color: #3f3f3f;
  background: #1f1f1f;
}

.channel-item.active {
  border-color: rgba(34, 211, 238, 0.6);
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.08) 0%, rgba(34, 211, 238, 0) 72%), var(--bg-elev-2);
}

.channel-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.81rem;
}

.channel-name::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--green);
}

.channel-item em {
  font-style: normal;
  font-size: 0.71rem;
  color: var(--text-dim);
}

.channel-item b {
  min-width: 32px;
  text-align: center;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 2px 7px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  color: var(--text-secondary);
  background: var(--bg-elev-3);
}

.channel-footnote {
  margin-top: 10px;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--bg-elev-2);
  padding: 10px;
}

.channel-footnote strong {
  display: block;
  font-size: 0.79rem;
  font-family: "JetBrains Mono", monospace;
  color: var(--purple);
}

.channel-footnote p {
  margin: 5px 0 0;
  color: var(--text-secondary);
  font-size: 0.79rem;
}

.mode-switch {
  display: inline-flex;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 2px;
  background: var(--bg-elev-2);
}

.mode-btn {
  border: 0;
  background: transparent;
  color: var(--text-dim);
  min-height: 32px;
  padding: 0 11px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: "JetBrains Mono", monospace;
}

.mode-btn.active {
  color: var(--bg-page);
  background: var(--cyan);
  font-weight: 700;
}

.stream-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 9px;
}

.stream-meta strong {
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
}

.live-indicator i {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--green);
}

.stream-window {
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: #0f0f0f;
  min-height: 360px;
  max-height: 360px;
  overflow: auto;
  padding: 8px 10px;
}

.message-list {
  display: grid;
  gap: 7px;
}

.message-list li {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: 8px;
  border: 1px solid #2e2e2e;
  border-radius: 10px;
  background: #171717;
  padding: 7px 8px;
}

.message-list li.empty-item {
  display: block;
  border-style: dashed;
  background: #131313;
  padding: 12px;
}

.message-list time {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.message-list strong {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: #0a1216;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.88);
  padding: 2px 7px;
}

.message-list span {
  font-size: 0.84rem;
  color: var(--text-primary);
}

.room-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.room-item {
  border: 1px solid var(--border-soft);
  border-radius: 11px;
  padding: 10px;
  background: var(--bg-elev-2);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.room-item > div {
  flex: 1;
}

.room-item strong {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.79rem;
}

.room-item > div > span {
  display: block;
  margin-top: 2px;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.room-flags {
  margin: 7px 0 0;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.room-flags span {
  border-radius: 999px;
  border: 1px solid rgba(249, 115, 22, 0.4);
  background: rgba(249, 115, 22, 0.1);
  color: #ffba8f;
  font-size: 0.66rem;
  font-family: "JetBrains Mono", monospace;
  padding: 2px 7px;
}

.join-btn {
  min-height: 34px;
  border: 1px solid rgba(34, 211, 238, 0.4);
  border-radius: 8px;
  background: rgba(34, 211, 238, 0.08);
  color: #97ebf7;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.73rem;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.join-btn:hover,
.join-btn:focus-visible {
  border-color: rgba(34, 211, 238, 0.8);
  background: rgba(34, 211, 238, 0.14);
}

.private-note {
  margin-top: 11px;
  border: 1px solid rgba(249, 115, 22, 0.35);
  border-radius: 11px;
  background: rgba(249, 115, 22, 0.08);
  padding: 10px;
}

.private-note h3 {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.81rem;
  color: #ffc7a6;
}

.private-note ul {
  margin: 7px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
  color: #ffd3ba;
  font-size: 0.76rem;
}

.event-tag {
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: var(--bg-elev-2);
  color: var(--text-secondary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  padding: 4px 10px;
}

.event-log {
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: #101010;
  min-height: 130px;
  padding: 8px 10px;
  display: grid;
  gap: 6px;
}

.event-log li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: baseline;
}

.event-log time {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.69rem;
  color: var(--text-dim);
}

.event-log span {
  font-size: 0.81rem;
}

.room-dialog {
  width: min(440px, calc(100% - 24px));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.62);
  background: var(--bg-elev-2);
  color: var(--text-primary);
  padding: 0;
}

.room-dialog::backdrop {
  background: rgba(7, 7, 7, 0.72);
}

.room-auth-dialog::backdrop {
  background: rgba(7, 7, 7, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.room-form {
  margin: 0;
  padding: 16px;
}

.dialog-sub {
  margin: 6px 0 0;
  font-size: 0.81rem;
  color: var(--text-secondary);
}

.room-form label {
  display: block;
  margin-top: 12px;
  margin-bottom: 6px;
  color: var(--text-secondary);
  font-size: 0.79rem;
}

.room-form input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  padding: 0 11px;
  background: #111111;
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
}

.form-message {
  min-height: 20px;
  margin: 8px 0 0;
  color: var(--danger);
  font-size: 0.79rem;
}

.form-message.success {
  color: var(--green);
}

.dialog-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
  gap: 7px;
}

.dialog-actions button {
  min-height: 36px;
  border-radius: 9px;
  padding: 0 12px;
  font-size: 0.75rem;
  font-family: "JetBrains Mono", monospace;
  cursor: pointer;
}

.btn-ghost {
  border: 1px solid var(--border-soft);
  background: #181818;
  color: var(--text-secondary);
}

.btn-primary {
  border: 1px solid rgba(34, 211, 238, 0.7);
  background: rgba(34, 211, 238, 0.9);
  color: #091014;
  font-weight: 700;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #79e8f7;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid rgba(34, 211, 238, 0.45);
  outline-offset: 1px;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-thumb {
  background: #323232;
  border-radius: 999px;
  border: 2px solid #101010;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 1160px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr);
  }

  .panel-private {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .topbar {
    position: static;
  }

  .workspace {
    grid-template-columns: 1fr;
    margin-top: 12px;
  }

  .panel-private,
  .panel-wide {
    grid-column: auto;
  }

  .stream-window {
    min-height: 290px;
    max-height: 290px;
  }
}

@media (max-width: 620px) {
  .topbar-inner {
    min-height: auto;
    padding: 10px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-meta {
    width: 100%;
  }

  .panel-head-inline {
    flex-direction: column;
  }

  .mode-switch {
    width: 100%;
  }

  .mode-btn {
    flex: 1;
  }

  .dialog-actions {
    flex-direction: column;
  }

  .dialog-actions button {
    width: 100%;
  }

  .message-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .channel-item {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "name count"
      "desc desc";
  }

  .channel-name {
    grid-area: name;
  }

  .channel-item b {
    grid-area: count;
  }

  .channel-item em {
    grid-area: desc;
  }
}

/* ── Room page ──────────────────────────────────── */
.panel-auth {
  max-width: 480px;
  margin: 0 auto;
}

.room-auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 24px 24px;
}

.room-auth-form label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.room-auth-form input {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  background: var(--bg-elev-1);
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.18s ease;
}

.room-auth-form input:focus {
  border-color: var(--cyan);
}

.room-auth-form .btn-primary {
  align-self: flex-start;
}

.room-workspace {
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}

.panel-room-info {
  grid-column: 1 / -1;
}

.room-info-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.panel-room-stream {
  grid-column: 1 / -1;
}

.stream-window-tall {
  max-height: 60vh;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}