:root {
  color-scheme: light;
  --ink: #20272b;
  --muted: #677277;
  --soft: #f2f6f4;
  --panel: #ffffff;
  --line: #d9e2df;
  --green: #2f7d68;
  --gold: #e0a72f;
  --red: #b94b3f;
  --blue: #415a77;
  --shadow: 0 18px 45px rgba(32, 39, 43, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--soft);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(47, 125, 104, 0.09), transparent 36%),
    linear-gradient(45deg, rgba(224, 167, 47, 0.15), transparent 34%),
    var(--soft);
}

button,
input,
select {
  font: inherit;
}

a {
  color: #1f6c9c;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 20;
  background: var(--ink);
  color: #fff;
  padding: 10px 12px;
  border-radius: 8px;
}

.skip-link:focus {
  top: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 26px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--green));
  color: #fff;
  font-weight: 900;
}

.brand-lockup strong,
.brand-lockup span {
  display: block;
}

.brand-lockup strong {
  font-size: 18px;
}

.brand-lockup span {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  padding: 9px 11px;
  border-radius: 8px;
}

nav a:hover,
nav a:focus-visible {
  background: #e8efeb;
  outline: none;
}

.app-grid {
  display: grid;
  grid-template-columns: minmax(230px, 290px) minmax(0, 1fr) minmax(286px, 360px);
  min-height: calc(100vh - 70px);
}

.left-rail {
  background: #263238;
  color: #fff;
  padding: 24px 22px;
}

.workspace {
  padding: 28px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.right-rail {
  padding: 28px 22px;
  border-left: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.64);
  display: grid;
  gap: 16px;
  align-content: start;
}

.panel-title {
  display: grid;
  gap: 5px;
  margin-bottom: 16px;
}

.panel-title span,
.eyebrow,
.field-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.left-rail .panel-title span,
.left-rail .source-card span {
  color: rgba(255, 255, 255, 0.64);
}

.panel-title strong {
  font-size: 20px;
  line-height: 1.15;
}

.field-label {
  display: block;
  margin-bottom: 7px;
}

select,
input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
}

.source-card,
.desk-panel,
.episode-desk,
.audio-strip,
.toolbar {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.source-card {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  color: #fff;
  padding: 14px;
  margin-top: 14px;
  box-shadow: none;
}

.source-card strong,
.source-card span {
  display: block;
}

.source-card strong {
  margin: 4px 0 7px;
}

.source-card p,
.episode-desk p,
.annotation p,
.note,
.status,
.empty-state {
  color: var(--muted);
  line-height: 1.5;
}

.source-card p {
  color: rgba(255, 255, 255, 0.74);
  margin: 0;
  font-size: 14px;
}

.stat-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.stat-pair div {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 12px;
}

.stat-pair strong,
.stat-pair span {
  display: block;
}

.stat-pair span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  margin-top: 4px;
}

.episode-desk {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 22px;
}

h1 {
  margin: 6px 0 8px;
  font-size: 30px;
  line-height: 1.08;
  max-width: 760px;
}

.episode-desk p {
  max-width: 720px;
  margin: 0;
}

.player-controls,
.button-row,
.annotation footer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

button {
  min-height: 40px;
  border: 1px solid #1e6a58;
  border-radius: 8px;
  padding: 0 13px;
  background: var(--green);
  color: #fff;
  font-weight: 850;
  cursor: pointer;
}

button.secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid rgba(47, 125, 104, 0.22);
  outline-offset: 2px;
}

.audio-strip {
  position: relative;
  padding: 18px;
}

.waveform {
  height: 112px;
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(224, 167, 47, 0.22), rgba(47, 125, 104, 0.18), rgba(65, 90, 119, 0.14)),
    repeating-linear-gradient(90deg, rgba(32, 39, 43, 0.42) 0 4px, transparent 4px 16px);
  clip-path: polygon(
    0 48%, 4% 31%, 8% 64%, 12% 42%, 16% 72%, 20% 29%, 24% 57%,
    28% 36%, 32% 78%, 36% 22%, 40% 58%, 44% 39%, 48% 63%, 52% 28%,
    56% 70%, 60% 35%, 64% 52%, 68% 24%, 72% 66%, 76% 33%, 80% 58%,
    84% 41%, 88% 70%, 92% 30%, 96% 54%, 100% 48%
  );
}

.playhead {
  position: absolute;
  top: 18px;
  bottom: 42px;
  width: 3px;
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(185, 75, 63, 0.16);
}

.time-row {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(3, minmax(84px, 1fr));
  gap: 4px;
  padding: 4px;
  border-radius: 8px;
  background: #e8efeb;
}

.segmented button {
  min-height: 34px;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 0 10px;
}

.segmented button[aria-pressed="true"] {
  background: #fff;
  box-shadow: 0 6px 16px rgba(32, 39, 43, 0.12);
}

.search-field {
  display: grid;
  gap: 6px;
  min-width: min(360px, 100%);
}

.search-field span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.annotation-list,
.packet-lines {
  display: grid;
  gap: 12px;
}

.annotation {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--green);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.annotation.is-ether {
  border-left-color: var(--red);
  background: #fff9f6;
}

.timestamp {
  display: inline-grid;
  place-items: center;
  min-width: 58px;
  height: 27px;
  border-radius: 6px;
  background: #263238;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.annotation header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.annotation header span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.annotation p {
  margin: 8px 0 12px;
}

.desk-panel {
  padding: 16px;
}

.auth-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.auth-list div {
  display: grid;
  gap: 3px;
}

.auth-list dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.auth-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.packet-line {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fff;
}

.packet-line strong,
.packet-line span {
  display: block;
}

.packet-line span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.note,
.status,
.empty-state {
  font-size: 14px;
}

@media (max-width: 1120px) {
  .app-grid {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .right-rail {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--line);
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .topbar,
  .episode-desk,
  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-grid,
  .right-rail {
    display: block;
  }

  .left-rail,
  .workspace,
  .right-rail {
    padding: 18px 16px;
  }

  .right-rail {
    display: grid;
  }

  h1 {
    font-size: 25px;
  }

  .segmented {
    width: 100%;
  }
}