.ctw-panel {
  --ctw-navy: #102a43;
  --ctw-blue: #1769aa;
  --ctw-teal: #0f8a7a;
  --ctw-gold: #f6c453;
  --ctw-paper: #f5f8fb;
  --ctw-card: #ffffff;
  --ctw-ink: #17212b;
  --ctw-muted: #526574;
  --ctw-line: #cbd8e2;
  --ctw-focus: #ffd43b;
  max-width: 1180px;
  margin: 18px auto 26px;
  padding: 0 clamp(18px, 4vw, 36px);
  color: var(--ctw-ink);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.ctw-panel[hidden] {
  display: none !important;
}

/* Quick-links row — the first two things a teacher sees on the hub. */
.ctw-quicklinks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
@media (max-width: 640px) {
  .ctw-quicklinks {
    grid-template-columns: 1fr;
  }
}
.ctw-ql-card,
a.ctw-button.ctw-ql-card,
button.ctw-ql-card {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 14px 18px;
  border-radius: 18px;
  border: 2px solid var(--ctw-line);
  background: var(--ctw-card);
  color: var(--ctw-ink);
  text-decoration: none;
  text-align: left;
  font: inherit;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(16, 42, 67, 0.08);
}
.ctw-ql-card:hover,
.ctw-ql-card:focus-visible {
  border-color: var(--ctw-blue);
  box-shadow: 0 4px 16px rgba(23, 105, 170, 0.18);
}
.ctw-ql-card:focus-visible {
  outline: 3px solid var(--ctw-focus);
  outline-offset: 2px;
}
.ctw-ql-icon {
  font-size: 2rem;
  line-height: 1;
}
.ctw-ql-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ctw-ql-body strong {
  font-size: 1.08rem;
  color: var(--ctw-navy);
}
.ctw-ql-body span {
  color: var(--ctw-muted);
  font-size: 0.9rem;
}

.ctw-header {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 42px);
  border-radius: 22px 22px 0 0;
  color: #fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(246, 196, 83, 0.27), transparent 28%),
    linear-gradient(135deg, #102a43, #164e63 60%, #0f766e);
}

.ctw-header h2 {
  margin: 4px 0 8px;
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
}

.ctw-header p:last-child {
  max-width: 72ch;
  margin: 0;
  color: #e9f5f3;
  font-size: 1rem;
}

.ctw-kicker {
  margin: 0;
  color: #fce8a7;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.ctw-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px;
  background: #e8f0f5;
  border: 1px solid var(--ctw-line);
  border-top: 0;
  scrollbar-width: thin;
}

.ctw-stage {
  padding: clamp(18px, 4vw, 32px);
  border: 1px solid var(--ctw-line);
  border-top: 0;
  border-radius: 0 0 22px 22px;
  background: var(--ctw-paper);
}

.ctw-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 15px;
  border: 2px solid #a8bfd0;
  border-radius: 10px;
  background: #fff;
  color: var(--ctw-navy);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.ctw-button:hover {
  border-color: var(--ctw-blue);
  color: var(--ctw-blue);
}

.ctw-button[aria-pressed="true"] {
  border-color: var(--ctw-teal);
  background: #dff5f0;
  color: #075f56;
}

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

.ctw-primary:hover {
  color: #fff;
  background: #0f548b;
}

.ctw-student {
  background: var(--ctw-teal);
  border-color: var(--ctw-teal);
  color: #fff;
}

.ctw-student:hover {
  color: #fff;
  background: #087267;
}

.ctw-generator {
  background: #6b3fa0;
  border-color: #6b3fa0;
  color: #fff;
}

.ctw-generator:hover {
  color: #fff;
  background: #572f86;
}

.ctw-panel a:focus-visible,
.ctw-panel button:focus-visible,
.ctw-panel select:focus-visible,
.ctw-panel input:focus-visible,
.ctw-panel summary:focus-visible {
  outline: 4px solid var(--ctw-focus);
  outline-offset: 3px;
}

.ctw-selectors {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 15px;
}

.ctw-field {
  display: grid;
  gap: 5px;
  color: var(--ctw-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.ctw-select,
.ctw-input {
  width: 100%;
  min-height: 46px;
  padding: 8px 11px;
  border: 2px solid var(--ctw-line);
  border-radius: 10px;
  background: #fff;
  color: var(--ctw-ink);
  font: inherit;
  font-size: 0.92rem;
}

.ctw-lesson-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
}

.ctw-lesson-nav .ctw-button:last-child {
  justify-self: end;
}

.ctw-position {
  color: var(--ctw-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.ctw-today-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(20px, 4vw, 38px);
  margin-bottom: 18px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--ctw-line);
  border-radius: 18px;
  background: var(--ctw-card);
  box-shadow: 0 10px 28px rgba(16, 42, 67, 0.08);
}

.ctw-today-card h3,
.ctw-readiness h3,
.ctw-quick h3,
.ctw-planning-card h3 {
  margin: 5px 0 10px;
  color: var(--ctw-navy);
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.15;
}

.ctw-objective {
  margin: 0 0 8px;
  color: var(--ctw-ink);
  font-size: 1rem;
  font-weight: 760;
}

.ctw-language {
  margin: 0 0 13px;
  color: var(--ctw-muted);
  font-size: 0.9rem;
}

.ctw-metadata,
.ctw-actions,
.ctw-quick-links,
.ctw-planning-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.ctw-metadata {
  margin-bottom: 18px;
}

.ctw-metadata span {
  padding: 5px 9px;
  border-radius: 999px;
  background: #e9f2f8;
  color: #234c68;
  font-size: 0.75rem;
  font-weight: 800;
}

.ctw-qr-wrap {
  width: 168px;
  text-align: center;
}

.ctw-qr {
  display: block;
  width: 148px;
  height: 148px;
  margin: 0 auto 6px;
  border: 6px solid #fff;
  border-radius: 10px;
  box-shadow: 0 0 0 1px var(--ctw-line);
}

.ctw-muted {
  margin: 6px 0 0;
  color: var(--ctw-muted);
  font-size: 0.78rem;
}

.ctw-readiness,
.ctw-quick,
.ctw-planning-card {
  margin-bottom: 18px;
  padding: clamp(20px, 4vw, 30px);
  border: 1px solid var(--ctw-line);
  border-radius: 16px;
  background: var(--ctw-card);
}

.ctw-readiness-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
  margin: 16px 0;
}

.ctw-readiness-item {
  padding: 13px;
  border: 1px solid #d8e3ea;
  border-radius: 11px;
  background: #f9fbfd;
}

.ctw-readiness-item h4 {
  margin: 0 0 4px;
  color: var(--ctw-teal);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ctw-readiness-item p {
  margin: 0;
  color: var(--ctw-ink);
  font-size: 0.88rem;
  line-height: 1.5;
}

.ctw-sequence {
  margin: 10px 0;
  border: 1px solid var(--ctw-line);
  border-radius: 10px;
  overflow: hidden;
}

.ctw-sequence summary {
  min-height: 44px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  color: var(--ctw-navy);
  background: #edf4f8;
  font-weight: 850;
  cursor: pointer;
}

.ctw-sequence ol {
  margin: 0;
  padding: 15px 20px 15px 42px;
}

.ctw-sequence li {
  margin-bottom: 6px;
}

.ctw-planning-grid {
  display: grid;
  gap: 12px;
}

.ctw-week-row,
.ctw-playlist-row,
.ctw-unit-row,
.ctw-evidence-grid {
  display: grid;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--ctw-line);
  border-radius: 11px;
  background: #fff;
}

.ctw-week-row {
  grid-template-columns: 92px minmax(0, 1fr) auto;
}

.ctw-playlist-row {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.ctw-unit-row {
  grid-template-columns: minmax(150px, 0.8fr) minmax(220px, 1.4fr) auto;
}

.ctw-evidence-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ctw-day,
.ctw-row-title {
  color: var(--ctw-navy);
  font-weight: 850;
}

.ctw-row-copy {
  min-width: 0;
}

.ctw-row-copy p {
  margin: 3px 0 0;
  color: var(--ctw-muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.ctw-empty {
  padding: 20px;
  border: 2px dashed var(--ctw-line);
  border-radius: 12px;
  color: var(--ctw-muted);
  text-align: center;
}

.ctw-recommendations {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 11px;
}

.ctw-recommendation {
  padding: 14px;
  border-radius: 11px;
  background: #eef6fa;
  border-left: 5px solid var(--ctw-blue);
}

.ctw-recommendation h4,
.ctw-recommendation p {
  margin: 0 0 5px;
}

.ctw-tools-drawer {
  max-width: 1180px;
  margin: 0 auto 14px;
  padding: 0 clamp(18px, 4vw, 36px);
}

.ctw-tools-drawer > summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 10px 14px;
  color: #f8fafc;
  background: #161825;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 11px;
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 760px) {
  .ctw-selectors,
  .ctw-readiness-grid,
  .ctw-recommendations,
  .ctw-evidence-grid {
    grid-template-columns: 1fr;
  }

  .ctw-today-card {
    grid-template-columns: 1fr;
  }

  .ctw-qr-wrap {
    width: 100%;
  }

  .ctw-week-row,
  .ctw-playlist-row,
  .ctw-unit-row {
    grid-template-columns: 1fr;
  }
}

@media print {
  body.ctw-printing > *:not(.wrap),
  body.ctw-printing .wrap > *:not(.ctw-panel),
  body.ctw-printing .ctw-header,
  body.ctw-printing .ctw-tabs,
  body.ctw-printing .ctw-selectors,
  body.ctw-printing .ctw-lesson-nav,
  body.ctw-printing .ctw-actions,
  body.ctw-printing .ctw-quick,
  body.ctw-printing .ctw-qr-wrap {
    display: none !important;
  }

  body.ctw-printing .ctw-panel,
  body.ctw-printing .ctw-stage {
    max-width: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: #fff;
    color: #000;
  }

  body.ctw-printing .ctw-today-card,
  body.ctw-printing .ctw-readiness {
    box-shadow: none;
    break-inside: avoid;
  }
}

/* Assembled printable lesson plan (built by the "Print lesson plan" button).
   Hidden on screen; only rendered to paper. */
#ctw-plan-print {
  display: none;
}

@media print {
  body.ctw-plan-printing {
    background: #fff;
  }

  body.ctw-plan-printing > *:not(#ctw-plan-print) {
    display: none !important;
  }

  body.ctw-plan-printing #ctw-plan-print {
    display: block;
  }

  @page {
    margin: 14mm;
  }

  .ctw-plan-doc {
    font:
      12pt/1.45 "Hanken Grotesk",
      system-ui,
      sans-serif;
    color: #000;
    max-width: 100%;
  }

  .ctw-plan-head {
    border-bottom: 3px solid #12355b;
    padding-bottom: 8px;
    margin-bottom: 14px;
  }

  .ctw-plan-brand {
    margin: 0 0 4px;
    font-size: 9pt;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #0d7a76;
  }

  .ctw-plan-head h1 {
    margin: 0 0 6px;
    font-size: 20pt;
    color: #12355b;
  }

  .ctw-plan-meta {
    margin: 0;
    font-size: 10pt;
    color: #333;
  }

  .ctw-plan-section {
    margin: 0 0 12px;
    break-inside: avoid;
  }

  .ctw-plan-section h2 {
    margin: 0 0 6px;
    padding-bottom: 3px;
    font-size: 12pt;
    color: #12355b;
    border-bottom: 1px solid #cbd6e2;
  }

  .ctw-plan-dl {
    display: grid;
    grid-template-columns: 175px 1fr;
    gap: 3px 14px;
    margin: 0;
  }

  .ctw-plan-dl dt {
    font-weight: 700;
    color: #333;
  }

  .ctw-plan-dl dd {
    margin: 0;
  }

  .ctw-plan-list {
    margin: 0;
    padding-left: 20px;
  }

  .ctw-plan-list li {
    margin: 0 0 3px;
    break-inside: avoid;
  }

  .ctw-plan-link {
    break-inside: avoid;
  }

  .ctw-plan-url {
    margin: 0 0 8px;
    font-family: ui-monospace, "SF Mono", monospace;
    font-size: 9.5pt;
    word-break: break-all;
  }

  .ctw-plan-qr .ctw-qr {
    width: 120px;
    height: 120px;
  }
}