.sleep-debt-recovery-planner {
  --n-paper: #fffdf7;
  --n-surface: #f7f0e4;
  --n-ink: #24221f;
  --n-muted: #716b62;
  --n-line: #d8cbb8;
  --n-gold: #b47c2f;
  --n-moon: #e7be65;
  --n-sage: #628b70;
  --n-coral: #c66d5b;
  --n-shadow: rgba(52, 40, 26, .12);

  display: grid;
  gap: 1.25rem;
  color: var(--n-ink);
  background: var(--n-paper);
  border: 1px solid var(--n-line);
  border-radius: 1.5rem;
  padding: clamp(1rem, 3vw, 2rem);
  box-shadow: 0 1rem 2.5rem var(--n-shadow);
}

.theme-dark .sleep-debt-recovery-planner {
  --n-paper: #1c1b19;
  --n-surface: #27231f;
  --n-ink: #f3eadb;
  --n-muted: #bdb09e;
  --n-line: #53483b;
  --n-gold: #e4b35b;
  --n-moon: #e9c778;
  --n-sage: #8db69a;
  --n-coral: #e28a76;
  --n-shadow: rgba(0, 0, 0, .35);
}

.planner-intro { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; border-bottom: 1px solid var(--n-line); padding-bottom: 1rem; }
.planner-intro p, .control-hint, .guidance p, .recovery-note p, .rest-note p, .disclaimer { margin: 0; line-height: 1.55; }
.planner-intro p { max-width: 42rem; font-size: 1.05rem; }
.offline-mark { color: var(--n-muted); font-size: .82rem; white-space: nowrap; }
.planner-controls { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(11rem, .8fr) minmax(10rem, .7fr); gap: 1rem; }
.control-block, .night-log { background: var(--n-surface); border: 1px solid var(--n-line); border-radius: 1rem; padding: 1rem; }
.control-block--target { grid-row: span 2; }
.control-heading { display: flex; align-items: baseline; justify-content: space-between; gap: .75rem; font-weight: 700; }
.control-heading output, .night-log__meta { color: var(--n-gold); font-size: .82rem; }
.target-inputs { display: grid; grid-template-columns: minmax(0, 1fr) 5rem auto; align-items: center; gap: .7rem; margin-top: 1.1rem; }
input[type='range'] { accent-color: var(--n-gold); width: 100%; }
input[type='number'] { width: 100%; min-height: 2.75rem; border: 1px solid var(--n-line); border-radius: .65rem; background: var(--n-paper); color: var(--n-ink); padding: .55rem .6rem; font: inherit; }
input:focus-visible, button:focus-visible { outline: 3px solid var(--n-gold); outline-offset: 2px; }
.control-hint { color: var(--n-muted); font-size: .82rem; margin-top: .7rem; }
.preset-row, .horizon-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .75rem; }
button { border: 1px solid var(--n-line); border-radius: 999px; background: var(--n-paper); color: var(--n-ink); cursor: pointer; font: inherit; padding: .55rem .75rem; }
button:hover, button.is-active { border-color: var(--n-gold); background: var(--n-gold); color: var(--n-paper); }
.night-log { grid-column: 1 / -1; }
.night-list { display: grid; grid-template-columns: repeat(7, minmax(5.3rem, 1fr)); gap: .6rem; margin-top: .75rem; }
.night-entry { display: grid; gap: .35rem; min-width: 0; }
.night-entry__name { font-weight: 700; }
.night-entry__hint { color: var(--n-muted); font-size: .72rem; }
.night-entry__field { display: grid; grid-template-columns: 1fr; gap: .25rem; }
.night-entry__field span { color: var(--n-muted); font-size: .72rem; }
.reset-button { justify-self: start; background: transparent; }
.planner-result { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(18rem, .9fr); gap: 1rem; align-items: start; }
.ledger-column { display: grid; gap: 1rem; align-content: start; }
.ledger-scene, .result-core, .result-stats, .result-guidance { border: 1px solid var(--n-line); border-radius: 1rem; background: var(--n-surface); padding: 1rem; }
.ledger-scene { display: grid; align-content: center; min-height: 12rem; }
.sleep-ledger { width: 100%; height: auto; overflow: visible; }
.ledger-caption { display: flex; justify-content: space-between; color: var(--n-muted); font-size: .78rem; }
.result-core { display: grid; gap: 1rem; }
.result-core__headline { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .6rem; }
.result-core__headline strong { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1; text-align: right; }
.result-badge { border: 1px solid var(--n-gold); border-radius: 999px; color: var(--n-gold); font-size: .75rem; padding: .3rem .5rem; }
.result-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; }
.result-stats div { border-top: 1px solid var(--n-line); padding-top: .55rem; }
.result-stats span { display: block; color: var(--n-muted); font-size: .75rem; }
.result-stats strong { display: block; margin-top: .2rem; font-size: 1.15rem; }
.guidance, .recovery-note, .rest-note { border-top: 1px solid var(--n-line); padding-top: .8rem; }
.guidance h3, .recovery-note h3, .rest-note h3 { margin: 0 0 .35rem; font-size: .92rem; }
.guidance p, .recovery-note p, .rest-note p { color: var(--n-muted); font-size: .85rem; }
.disclaimer { color: var(--n-muted); font-size: .75rem; }

@media (max-width: 760px) {
  .planner-intro, .planner-result { grid-template-columns: 1fr; display: grid; }
  .offline-mark { white-space: normal; }
  .planner-controls { grid-template-columns: 1fr; }
  .control-block--target { grid-row: auto; }
  .night-log { overflow-x: auto; }
  .night-list { min-width: 40rem; }
  .planner-result { display: grid; }
}