:root {
  --bg: #0a0a0a;
  --bg-soft: #141414;
  --panel: #141414;
  --panel-soft: #101010;
  --panel-strong: #171717;
  --text: #e8e4dc;
  --muted: #908880;
  --muted-strong: #c8c4bd;
  --line: #282420;
  --line-strong: #3a342d;
  --brand: #992222;
  --accent: #e8e4dc;
  --accent-soft: #6a5f52;
  --signal-live: #2a7a50;
  --signal-info: #3a6e90;
  --shadow: none;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f1ece3;
  --bg-soft: #ebe4d8;
  --panel: #f7f2ea;
  --panel-soft: #f2ede5;
  --panel-strong: #f8f3eb;
  --text: #2f2e2d;
  --muted: #6a5f52;
  --muted-strong: #51473d;
  --line: #c9c0b5;
  --line-strong: #b8aea2;
  --brand: #cc0033;
  --accent: #2f2e2d;
  --accent-soft: #6a5f52;
  --signal-live: #4a9a6a;
  --signal-info: #6a9cbc;
  --shadow: none;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(106, 95, 82, 0.08), transparent 30%),
    radial-gradient(circle at bottom left, rgba(106, 156, 188, 0.04), transparent 24%),
    var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, system-ui, "Segoe UI", sans-serif;
  transition: background 180ms ease, color 180ms ease;
}

button,
input,
select,
audio {
  font: inherit;
}

.app-shell {
  width: min(1220px, calc(100vw - 32px));
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 18px 0 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding: 6px 0 20px;
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: grid;
  gap: 4px;
}

.brand-mark {
  color: var(--brand);
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-top: 24px;
  flex: 1 0 auto;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: var(--shadow);
}

.sidebar-column {
  display: grid;
  gap: 14px;
  align-self: start;
  position: -webkit-sticky;
  position: sticky;
  top: 16px;
  z-index: 4;
}

.search-panel,
.listen-panel,
.system-panel,
.results-panel {
  padding: 12px;
}

.results-panel {
  min-height: 60vh;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

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

.panel-head h2 {
  margin: 0;
  color: var(--text);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  line-height: 1;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

label,
.status-label,
.footer-title {
  color: var(--muted);
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

label,
.status-label {
  margin-bottom: 6px;
}

.search-row,
.topbar-actions {
  display: flex;
  gap: 10px;
}

.search-row {
  align-items: stretch;
  margin-bottom: 12px;
}

select,
input[type="text"] {
  width: 100%;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: color-mix(in srgb, var(--panel-soft) 88%, transparent);
  color: var(--text);
  padding: 9px 10px;
  outline: none;
}

select:focus,
input[type="text"]:focus {
  border-color: var(--signal-info);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--signal-info) 25%, transparent);
}

.search-row input[type="text"] {
  margin-bottom: 0;
}

button {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  padding: 9px 12px;
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition:
    color 140ms ease,
    background 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

button:hover:not(:disabled) {
  color: var(--text);
  background: color-mix(in srgb, var(--panel-strong) 92%, transparent);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

button:disabled {
  cursor: default;
  opacity: 0.5;
}

.icon-button {
  width: 36px;
  min-width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
}

.primary-button {
  min-width: 112px;
  align-self: stretch;
  background: color-mix(in srgb, var(--signal-info) 12%, transparent);
  border-color: color-mix(in srgb, var(--signal-info) 24%, var(--line));
  color: color-mix(in srgb, var(--signal-info) 72%, var(--text));
}

.ghost-button {
  min-width: 144px;
}

.status-text,
.muted,
.footer-copy {
  color: var(--muted-strong);
}

.index-progress {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.index-progress[hidden] {
  display: none !important;
}

.index-progress-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted-strong);
  font-size: 0.82rem;
}

.progress-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--signal-info), var(--signal-live));
  transition: width 180ms ease;
}

.results {
  display: grid;
  gap: 0;
}

.results-empty {
  display: grid;
  place-items: center;
  min-height: 240px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
  font-size: 0.88rem;
}

.results-empty[hidden] {
  display: none !important;
}

.results-sentinel {
  height: 1px;
}

.result-card {
  border-top: 1px solid var(--line);
  border-left: none;
  border-right: none;
  border-bottom: none;
  border-radius: 0;
  padding: 11px 0 11px;
  background: transparent;
}

.result-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.result-show {
  color: var(--signal-info);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.result-line {
  color: var(--muted);
  font-size: 0.78rem;
}

.result-text {
  color: var(--text);
  line-height: 1.54;
  font-size: 0.91rem;
}

.result-text .timestamp {
  display: inline-flex;
  align-items: center;
  padding: 0 8px 0 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--signal-info);
  text-decoration: none;
  font-size: 0.7rem;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
}

.result-text .timestamp:hover {
  transform: none;
}

audio {
  width: 100%;
  margin-top: 4px;
  filter: saturate(0) contrast(1.05);
}

.footer-note {
  display: grid;
  gap: 6px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  justify-items: center;
  text-align: center;
}

.footer-copy {
  max-width: 52ch;
  line-height: 1.45;
  font-size: 0.78rem;
}

.footer-title {
  font-size: 0.58rem;
}

@media (max-width: 920px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .brand-mark {
    font-size: 2.35rem;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100vw - 20px, 1220px);
    padding-top: 18px;
  }

  .topbar,
  .search-row {
    flex-direction: column;
  }

  .primary-button,
  .ghost-button,
  .icon-button {
    width: 100%;
  }

  .search-panel,
  .listen-panel,
  .system-panel {
    padding: 14px;
  }
}

:root[data-sidebar-mode="mobile"] .sidebar-column {
  display: none;
}

@media (max-width: 920px) {
  :root[data-sidebar-mode="mobile"] .listen-panel {
    position: -webkit-sticky;
    position: sticky;
    top: calc(env(safe-area-inset-top, 0px) + 12px);
    z-index: 5;
  }
}

@media (max-width: 640px) {
  :root[data-sidebar-mode="mobile"] .listen-panel {
    top: calc(env(safe-area-inset-top, 0px) + 8px);
  }
}