:root {
  --brief-ink: #203033;
  --brief-muted: #5f6b6c;
  --brief-paper: rgba(245, 249, 248, 0.95);
  --brief-paper-strong: #f8fbfa;
  --brief-line: rgba(24, 76, 78, 0.18);
  --brief-accent: #126364;
  --brief-accent-dark: #273a4d;
  --brief-soft: #dbe9e7;
  --brief-shadow: 0 18px 50px rgba(20, 35, 45, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.daily-brief-page {
  display: block;
  min-height: 100vh;
  color: var(--brief-ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(219, 233, 231, 0.75), transparent 34rem),
    no-repeat linear-gradient(135deg, #c0cabf, #535368);
  font-size: 18px;
}

.brief-header {
  min-height: 250px;
  display: grid;
  place-items: center;
  padding: 62px 24px 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.brief-header .header-inner {
  width: min(900px, 100%);
  text-align: center;
}

.brief-header h1 {
  width: auto;
  margin: 8px auto 12px !important;
  font-size: clamp(2.35rem, 6vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.brief-header h2 {
  margin: 0 auto;
  max-width: 760px;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  line-height: 1.5;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.82);
}

.eyebrow {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--brief-accent);
}

.brief-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 34px auto 70px;
}

.brief-toolbar,
.export-panel,
.recorded-feedback-panel,
.status-card {
  background: var(--brief-paper);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 18px;
  box-shadow: var(--brief-shadow);
  backdrop-filter: blur(16px);
}

.brief-toolbar {
  width: 100%;
  max-width: none;
  display: grid;
  grid-template-columns: minmax(230px, 340px) 1fr;
  gap: 12px 28px;
  align-items: end;
  padding: 22px;
}

.date-control {
  display: grid;
  gap: 8px;
}

.date-control label {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brief-muted);
}

.date-control select {
  width: 100%;
  border: 1px solid var(--brief-line);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  color: var(--brief-ink);
  background: #fff;
}

.toolbar-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 13px;
  color: var(--brief-muted);
  font-size: 0.93rem;
}

.autosave-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--brief-muted);
  font-size: 0.84rem;
}

.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  overflow: visible;
  padding: 16px 4px 10px;
}

.section-nav a {
  flex: 0 1 auto;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  color: #f7fbfb;
  background: rgba(39, 58, 77, 0.72);
  text-decoration: none;
  font-size: 0.78rem;
  box-shadow: 0 4px 12px rgba(24, 35, 45, 0.16);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.section-nav a:hover,
.section-nav a:focus-visible {
  transform: translateY(-2px);
  background: var(--brief-accent);
}

.status-card {
  padding: 26px;
  text-align: center;
}

.status-card.error {
  color: #671e24;
  background: #fff0f1;
}

.brief-content {
  display: grid;
  gap: 18px;
}

.brief-section {
  scroll-margin-top: 18px;
  overflow: hidden;
  background: var(--brief-paper);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 20px;
  box-shadow: var(--brief-shadow);
  backdrop-filter: blur(14px);
}

.section-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 22px 24px 16px;
  border-bottom: 1px solid var(--brief-line);
  background: linear-gradient(120deg, rgba(219, 233, 231, 0.72), rgba(248, 251, 250, 0.84));
}

.section-number {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--brief-accent-dark);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 800;
}

.section-heading h2 {
  margin: 1px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin: 6px 0 0;
  color: var(--brief-muted);
  font-size: 0.94rem;
}

.section-body {
  padding: 22px 24px 14px;
  line-height: 1.68;
}

.section-body h3 {
  margin: 1.35em 0 0.45em;
  color: #21494a;
  font-size: 1.12rem;
  line-height: 1.35;
}

.section-body h3:first-child {
  margin-top: 0;
}

.section-body p,
.section-body ul {
  margin: 0 0 1em;
}

.section-body ul {
  padding-left: 1.3em;
}

.section-body li + li {
  margin-top: 0.72em;
}

.section-body a {
  color: #0b5c61;
  font-weight: 700;
  text-underline-offset: 0.16em;
}

.section-body a:hover {
  color: #7a3157;
}

.section-body code,
.export-panel code {
  padding: 0.08em 0.32em;
  border-radius: 5px;
  background: #e6efed;
  color: #294b4d;
  font-size: 0.88em;
}

blockquote {
  margin: 0.5em 0 0.7em;
  padding: 18px 20px;
  border-left: 5px solid var(--brief-accent);
  border-radius: 0 12px 12px 0;
  background: #edf5f3;
  color: #183e40;
  font-size: 1.05rem;
  font-style: italic;
}

.attribution {
  color: var(--brief-muted);
  font-size: 0.92rem;
}

.table-scroll {
  overflow-x: auto;
  margin: 18px 0;
}

table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 10px 12px;
  border: 1px solid var(--brief-line);
  text-align: center;
}

th {
  background: #e3efed;
}

.feedback-box {
  padding: 16px 24px 22px;
  border-top: 1px solid var(--brief-line);
  background: rgba(226, 237, 235, 0.55);
}

.feedback-box label,
.general-feedback {
  display: grid;
  gap: 8px;
  font-weight: 800;
  color: #294b4d;
}

.feedback-box label span,
.general-feedback span {
  font-weight: 400;
  color: var(--brief-muted);
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 90px;
  border: 1px solid rgba(39, 58, 77, 0.24);
  border-radius: 11px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 400;
  line-height: 1.45;
  color: var(--brief-ink);
  background: rgba(255, 255, 255, 0.9);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea::placeholder {
  font-weight: 400;
  color: #6d7374;
}

textarea:focus,
select:focus,
input[type="range"]:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: none;
  border-color: var(--brief-accent);
  box-shadow: 0 0 0 3px rgba(18, 99, 100, 0.18);
}

.music-intro {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.queue-button,
.primary-button,
.secondary-button,
.clear-rating {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 9px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.queue-button,
.primary-button {
  padding: 11px 15px;
  color: #fff !important;
  background: linear-gradient(135deg, var(--brief-accent-dark), var(--brief-accent));
  box-shadow: 0 7px 16px rgba(18, 99, 100, 0.24);
}

.queue-button:hover,
.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(18, 99, 100, 0.3);
}

.music-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.music-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--brief-line);
  border-radius: 16px;
  background: var(--brief-paper-strong);
  box-shadow: 0 10px 26px rgba(26, 49, 54, 0.12);
}

.player-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #152027;
}

.player-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.music-card-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}

.track-type {
  margin: 0;
  color: var(--brief-accent);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.music-card h3 {
  margin: 0;
  color: var(--brief-ink);
  font-size: 1.02rem;
}

.performer {
  margin: -4px 0 0;
  color: var(--brief-muted);
  font-size: 0.84rem;
}

.track-description {
  margin: 0;
  color: #3c4f51;
  font-size: 0.88rem;
  line-height: 1.5;
}

.track-feedback {
  display: grid;
  gap: 11px;
  padding: 14px 16px 16px;
  border-top: 1px solid var(--brief-line);
  background: #edf4f2;
}

.rating-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 9px;
  align-items: center;
}

.rating-row label {
  font-size: 0.8rem;
  font-weight: 800;
}

.rating-value {
  min-width: 3.8em;
  color: var(--brief-accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-align: right;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--brief-accent);
  cursor: pointer;
}

.clear-rating {
  justify-self: end;
  padding: 5px 8px;
  color: #526263;
  border: 1px solid var(--brief-line);
  background: transparent;
  font-size: 0.7rem;
}

.clear-rating:hover {
  background: #fff;
}

.track-feedback textarea {
  min-height: 78px;
  font-size: 0.86rem;
}

.export-panel {
  width: 100%;
  max-width: none;
  display: grid;
  gap: 20px;
  margin-top: 24px;
  padding: 26px;
}

.export-panel h2 {
  margin: 5px 0 8px;
}

.export-panel p {
  margin: 0;
  color: var(--brief-muted);
  line-height: 1.55;
}

.export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.primary-button,
.secondary-button {
  padding: 12px 16px;
}

.secondary-button {
  color: var(--brief-accent-dark);
  border: 1px solid rgba(39, 58, 77, 0.25);
  background: #e8efee;
}

.secondary-button:hover {
  transform: translateY(-1px);
  background: #dce8e6;
}

.export-status {
  min-height: 1.4em;
  font-size: 0.85rem;
}

.recorded-feedback-panel {
  width: 100%;
  max-width: none;
  margin: 0 0 18px;
  padding: 0;
  overflow: hidden;
}

.recorded-feedback-panel details {
  width: 100%;
}

.recorded-feedback-panel summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 800;
  color: #294b4d;
  background: linear-gradient(120deg, rgba(219, 233, 231, 0.78), rgba(248, 251, 250, 0.9));
}

.recorded-feedback-body {
  padding: 18px 22px 20px;
  line-height: 1.6;
}

.recorded-feedback-body h2,
.recorded-feedback-body h3,
.recorded-feedback-body h4 {
  margin: 1.1em 0 0.45em;
  color: #21494a;
}

.recorded-feedback-body h2:first-child,
.recorded-feedback-body h3:first-child {
  margin-top: 0;
}

.recorded-feedback-body p,
.recorded-feedback-body ul {
  margin: 0 0 0.9em;
}

.structured-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.structured-list > div {
  padding: 12px 14px;
  border: 1px solid var(--brief-line);
  border-radius: 10px;
  background: rgba(255,255,255,0.58);
}

.structured-list dt {
  font-weight: 800;
  text-transform: capitalize;
}

.structured-list dd {
  margin: 5px 0 0;
}

.source-links {
  font-size: 0.88rem;
}

.noscript-message {
  width: min(800px, calc(100% - 32px));
  margin: 30px auto;
  padding: 18px;
  border-radius: 12px;
  background: #fff0f1;
  color: #671e24;
}

@media (max-width: 940px) {
  .music-grid {
    grid-template-columns: 1fr;
  }

  .music-card {
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) 1.1fr;
  }

  .player-frame {
    grid-row: 1 / 3;
    aspect-ratio: auto;
    min-height: 100%;
  }
}

@media (max-width: 720px) {
  body.daily-brief-page {
    font-size: 16px;
  }

  .brief-header {
    min-height: 225px;
    padding: 78px 18px 36px;
  }

  .brief-shell {
    width: min(100% - 18px, 1160px);
  }

  .brief-toolbar {
    grid-template-columns: 1fr;
  }

  .toolbar-meta {
    justify-content: flex-start;
    padding-bottom: 0;
  }

  .section-heading,
  .section-body,
  .feedback-box {
    padding-left: 17px;
    padding-right: 17px;
  }

  .music-card {
    display: flex;
  }

  .player-frame {
    aspect-ratio: 16 / 9;
    min-height: 0;
    height: auto;
    flex: 0 0 auto;
  }

  .track-feedback {
    display: grid;
  }

  .back-button {
    top: 12px;
    left: 12px;
    font-size: 0.82rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}