:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-muted: #eef1f6;
  --text: #17202a;
  --muted: #637083;
  --border: #d9dee8;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --danger: #dc2626;
  --ok: #15803d;
  --warning: #b45309;
  --shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121417;
  --surface: #1b1f24;
  --surface-muted: #252b32;
  --text: #edf2f7;
  --muted: #a6b0be;
  --border: #333b45;
  --primary: #6ea8fe;
  --primary-strong: #8bbcff;
  --danger: #f87171;
  --ok: #4ade80;
  --warning: #fbbf24;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

button:hover {
  border-color: var(--primary);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.button-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.button-primary:hover {
  border-color: var(--primary-strong);
  background: var(--primary-strong);
}

.button-danger {
  border-color: var(--danger);
  color: var(--danger);
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 13px;
}

.theme-toggle {
  width: 44px;
  padding: 0;
  font-size: 18px;
}

.container {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 24px 20px;
}

.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.3;
}

.panel-body {
  padding: 16px;
}

.form-stack {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}

textarea {
  min-height: 88px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.drive-placeholder {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
}

.readiness-list {
  display: grid;
  gap: 8px;
}

.readiness-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
}

.status-ok {
  color: var(--ok);
}

.status-warn {
  color: var(--warning);
}

.status-bad {
  color: var(--danger);
}

.room-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1.3fr) minmax(280px, 0.8fr);
  gap: 16px;
  align-items: stretch;
}

.room-panel {
  min-height: calc(100vh - 112px);
  display: flex;
  flex-direction: column;
}

.room-panel .panel-body {
  min-height: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 10px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.chip-recording {
  background: rgba(220, 38, 38, 0.12);
  color: var(--danger);
}

.chip-paused {
  background: rgba(180, 83, 9, 0.14);
  color: var(--warning);
}

.chip-ready {
  background: rgba(21, 128, 61, 0.12);
  color: var(--ok);
}

.control-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 14px;
}

.participants {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.participant {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
}

.participant-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 12px;
}

.invite-panel {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
}

.invite-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.diagnostics-panel {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.diagnostics-header,
.diagnostic-row {
  display: grid;
  gap: 8px;
}

.diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  font-size: 12px;
}

.diagnostic-grid span {
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--surface-muted);
  overflow-wrap: anywhere;
}

.scroll-list {
  flex: 1;
  min-height: 240px;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 10px;
  padding-right: 4px;
}

.transcript-entry,
.chat-entry {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: var(--surface);
}

.transcript-entry.system {
  background: var(--surface-muted);
  color: var(--muted);
  font-style: italic;
}

.transcript-entry.interim {
  border-style: dashed;
  color: var(--muted);
  background: var(--surface-muted);
}

.entry-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.entry-text {
  overflow-wrap: anywhere;
  line-height: 1.45;
}

.entry-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.entry-actions button {
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 12px;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 160px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  padding: 16px;
}

.end-screen {
  width: min(720px, 100%);
  margin: 0 auto;
}

.download-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.export-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.export-summary > div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
}

.download-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  text-decoration: none;
}

.download-list a > span:first-child {
  display: grid;
  gap: 3px;
}

.download-list small {
  color: var(--muted);
}

.disabled-link {
  pointer-events: none;
  opacity: 0.62;
}

.error-box {
  border: 1px solid rgba(220, 38, 38, 0.35);
  border-radius: 8px;
  background: rgba(220, 38, 38, 0.08);
  color: var(--danger);
  padding: 12px;
}

.hidden {
  display: none !important;
}

audio {
  display: none;
}

@media (max-width: 980px) {
  .home-grid,
  .room-layout {
    grid-template-columns: 1fr;
  }

  .room-panel {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
  }

  .container {
    padding: 16px 12px;
  }

  .chat-form,
  .copy-row,
  .export-summary,
  .diagnostic-grid {
    grid-template-columns: 1fr;
  }
}