:root {
  --id-bg: #fff4e0; --id-surface: #fffbf3; --id-ink: #1a1d33; --id-ink-2: #4a4d63;
  --id-brand: #1d2766; --id-brand-ink: #ffffff; --id-accent: #ff9f43; --id-brand-text: #1d2766;
  --id-dark-bg: #0d1230; --id-dark-surface: #161c40; --id-dark-ink: #f4ecdc; --id-dark-ink-2: #c3bdd0;
  --id-dark-brand: #2b3790; --id-dark-brand-text: #ffc27a;
  --id-font-display: "Fraunces"; --id-font-body: "Atkinson Hyperlegible"; --id-radius: 18px;
  /* The sky band is night in both themes: the plan is read at bedtime. */
  --night: #141a44; --night-2: #1f2766; --star: #fff4e0; --moon: #ffc27a; --lamp: #ff9f43;
  --sky-ink: #fdf6ea; --sky-ink-2: #cfd0ea; --line: rgba(255, 244, 224, 0.18);
  --kid-0: #ffc27a; --kid-1: #8fd3ff; --kid-2: #ff9fb8;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
/* Atkinson's slashed zero reads oddly in times, so times and dates use the display face. */
.times, .plan-head p, .note, .axis, .opt input, .chart td { font-family: var(--font-display); font-variant-numeric: lining-nums; }
html, body { overflow-x: hidden; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.55; }
a { color: var(--brand-text); }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 12px; top: 12px; z-index: 9; background: var(--surface); padding: 8px 12px; }

.topbar { display: flex; align-items: center; gap: 16px; padding: 14px clamp(16px, 4vw, 48px); background: var(--night); color: var(--sky-ink); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--sky-ink); text-decoration: none; font-family: var(--font-display); font-weight: 650; font-size: 1.35rem; letter-spacing: -0.01em; }
.topbar nav { margin-left: auto; display: flex; gap: 18px; }
.topbar nav a { color: var(--sky-ink-2); text-decoration: none; font-size: 0.95rem; }
.topbar nav a:hover { color: var(--sky-ink); text-decoration: underline; }
.theme-btn { background: transparent; border: 1px solid var(--line); color: var(--sky-ink); border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 0.9rem; cursor: pointer; }

.sky {
  color: var(--sky-ink);
  background:
    radial-gradient(1.5px 1.5px at 12% 18%, var(--star) 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 62%, var(--star) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 47% 12%, var(--star) 50%, transparent 51%),
    radial-gradient(1px 1px at 66% 34%, var(--star) 50%, transparent 51%),
    radial-gradient(2px 2px at 84% 16%, var(--star) 50%, transparent 51%),
    radial-gradient(1px 1px at 92% 58%, var(--star) 50%, transparent 51%),
    radial-gradient(1px 1px at 6% 80%, var(--star) 50%, transparent 51%),
    radial-gradient(circle at 88% -10%, rgba(255, 194, 122, 0.22), transparent 38%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 70%, #2a2f6e 100%);
  padding: clamp(28px, 6vw, 72px) clamp(16px, 4vw, 48px) clamp(40px, 6vw, 80px);
}
.sky-inner { max-width: 1120px; margin: 0 auto; }
.eyebrow { margin: 0 0 10px; color: var(--moon); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.85rem; }
.sky h1 { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.2rem, 6vw, 4.4rem); line-height: 1.02; letter-spacing: -0.025em; margin: 0; max-width: 19ch; font-variation-settings: "SOFT" 100, "WONK" 1; }
.promise { color: var(--sky-ink-2); font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 46ch; margin: 14px 0 28px; }

.composer { background: rgba(255, 244, 224, 0.06); border: 1px solid var(--line); border-radius: var(--radius-l); padding: clamp(16px, 3vw, 28px); }
.sentence { font-family: var(--font-display); font-size: clamp(1.35rem, 3.2vw, 2.1rem); line-height: 1.6; margin: 0 0 6px; font-weight: 450; }
.sentence .inline { font: inherit; font-weight: 650; color: var(--kid-0); background: transparent; border: 0; border-bottom: 2px dashed currentColor; padding: 0 2px; border-radius: 0; cursor: pointer; max-width: 100%; }
.sentence.kid-1 .inline { color: var(--kid-1); }
.sentence.kid-2 .inline { color: var(--kid-2); }
.sentence select.inline { appearance: none; -webkit-appearance: none; }
.sentence select.inline option { color: #1a1d33; background: #fff; }
.sentence .inline.time { width: 7.6em; color-scheme: dark; }
.sentence .inline:focus-visible { outline: 3px solid var(--lamp); outline-offset: 2px; }
.link-btn { margin-left: 12px; background: none; border: 0; color: var(--sky-ink-2); text-decoration: underline; font: inherit; font-family: var(--font-body); font-size: 0.95rem; cursor: pointer; vertical-align: middle; }
.add-kid { background: none; border: 1px dashed var(--line); color: var(--sky-ink); border-radius: 999px; padding: 8px 16px; font: inherit; font-size: 0.95rem; cursor: pointer; margin: 6px 0 18px; }
.add-kid:hover { border-color: var(--moon); color: var(--moon); }
.options { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; }
.options + .options { margin-top: 14px; }
.seg { display: inline-flex; background: rgba(0, 0, 0, 0.25); border-radius: 999px; padding: 4px; }
.seg button { background: none; border: 0; color: var(--sky-ink-2); font: inherit; font-size: 0.95rem; padding: 7px 14px; border-radius: 999px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--sky-ink); color: var(--night); font-weight: 700; }
.opt { display: inline-flex; align-items: center; gap: 8px; color: var(--sky-ink-2); font-size: 0.95rem; flex-wrap: wrap; }
.opt select, .opt input { font: inherit; color: var(--sky-ink); background: rgba(0, 0, 0, 0.25); border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; color-scheme: dark; }
.opt input[type="number"] { width: 4.2em; }

.plan { margin-top: clamp(24px, 4vw, 40px); }
.plan-head h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0; letter-spacing: -0.01em; }
.plan-head p { color: var(--sky-ink-2); margin: 6px 0 18px; max-width: 70ch; }
.axis { display: grid; grid-template-columns: 1fr 1fr 1fr auto; margin-left: 200px; margin-right: 140px; color: var(--sky-ink-2); font-size: 0.875rem; border-bottom: 1px solid var(--line); padding-bottom: 4px; }
.nights { list-style: none; margin: 0; padding: 0; }
.night { display: grid; grid-template-columns: 200px 1fr; align-items: center; border-bottom: 1px solid var(--line); padding: 12px 0; }
.night-head { display: flex; align-items: center; gap: 12px; }
.moon { width: 34px; height: 34px; flex: none; }
.moon-disc { fill: var(--moon); }
.moon-shade { fill: var(--night); }
.night-date b { display: block; font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; }
.night-date small { color: var(--sky-ink-2); font-size: 0.85rem; }
.night.is-change { background: linear-gradient(90deg, rgba(255, 159, 67, 0.16), transparent 80%); border-radius: var(--radius); padding-left: 10px; margin-left: -10px; }
.night.is-change .night-date small { color: var(--lamp); font-weight: 700; }
.lanes { display: grid; gap: 8px; }
.lane { display: grid; grid-template-columns: 1fr 140px; grid-template-areas: "bar bed" "times bed"; column-gap: 0; align-items: center; }
.bar { grid-area: bar; position: relative; height: 14px; border-radius: 999px; background: rgba(0, 0, 0, 0.28); }
.bar span { position: absolute; top: 0; bottom: 0; border-radius: 999px; transition: left 0.35s ease, width 0.35s ease; }
.awake { background: var(--kid-0); opacity: 0.85; }
.nap { background: var(--night); border: 2px solid var(--kid-0); }
.bed-dot { width: 22px; height: 22px; top: -4px !important; margin-left: -11px; background: var(--sky-ink); border: 4px solid var(--kid-0); }
.kid-1 .awake { background: var(--kid-1); } .kid-1 .nap, .kid-1 .bed-dot { border-color: var(--kid-1); }
.kid-2 .awake { background: var(--kid-2); } .kid-2 .nap, .kid-2 .bed-dot { border-color: var(--kid-2); }
.times { grid-area: times; margin: 4px 0 0; color: var(--sky-ink-2); font-size: 0.88rem; }
.t-label { color: var(--sky-ink); font-weight: 700; }
.bedtime { grid-area: bed; margin: 0; text-align: right; font-family: var(--font-display); font-weight: 650; font-size: 1.5rem; line-height: 1.1; }
.bedtime small { display: block; font-family: var(--font-body); font-weight: 400; font-size: 0.75rem; color: var(--sky-ink-2); text-transform: uppercase; letter-spacing: 0.06em; }
.night.is-done .bedtime { color: var(--moon); }
.legend { color: var(--sky-ink-2); font-size: 0.9rem; display: flex; gap: 8px; align-items: center; margin: 12px 0 0; }
.k { display: inline-block; width: 18px; height: 10px; border-radius: 999px; margin-left: 10px; }
.k-awake { background: var(--kid-0); margin-left: 0; } .k-nap { border: 2px solid var(--kid-0); } .k-bed { width: 12px; height: 12px; background: var(--sky-ink); border: 3px solid var(--kid-0); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 24px; }
.kid-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 6px 0 18px; }
.kid-row .add-kid { margin: 0; }
.jump { display: none; }
.cols article { border-top: 3px solid var(--accent); padding-top: 14px; }
.btn { display: inline-block; font: inherit; font-weight: 700; text-decoration: none; padding: 12px 20px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--sky-ink); cursor: pointer; }
.btn.primary { background: var(--lamp); color: #1a1d33; border-color: var(--lamp); }
.btn:hover { filter: brightness(1.08); }
.btn:focus-visible { outline: 3px solid var(--moon); outline-offset: 3px; }
.note { color: var(--sky-ink-2); font-size: 0.92rem; margin: 12px 0 0; }
.disclaimer { color: var(--sky-ink-2); font-size: 0.88rem; margin: 6px 0 0; }

.below { max-width: 1120px; margin: 0 auto; padding: clamp(32px, 6vw, 72px) clamp(16px, 4vw, 48px); }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); }
.below h2 { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; margin: 0 0 8px; color: var(--brand-text); }
.below p { margin: 0; color: var(--ink-2); }
.offer { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: center; margin-top: clamp(32px, 5vw, 56px); padding: clamp(18px, 3vw, 28px); background: var(--surface); border: 1px solid rgba(29, 39, 102, 0.14); border-radius: var(--radius-l); }
.offer img { width: 100%; height: auto; border-radius: 8px; box-shadow: 0 8px 24px rgba(26, 29, 51, 0.18); transform: rotate(-2deg); }
.offer .price { font-family: var(--font-display); font-size: 2rem; font-weight: 650; color: var(--ink); margin: 12px 0; }
.offer .btn.primary { color: #1a1d33; }
.offer .refund { font-size: 0.88rem; margin-top: 12px; }
.more { margin-top: 32px !important; }

.chart { width: 100%; border-collapse: collapse; margin-top: 8px; }
.chart th, .chart td { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--line); }
.chart thead th { color: var(--sky-ink-2); font-weight: 400; font-size: 0.85rem; }
.chart tbody th { font-family: var(--font-display); font-weight: 600; }
.chart-bar { width: 40%; }
.chart-bar span { display: block; height: 12px; border-radius: 999px; background: var(--moon); }

@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .offer { border-color: rgba(255, 244, 224, 0.14); } }
:root[data-theme="dark"] .offer { border-color: rgba(255, 244, 224, 0.14); }

@media (max-width: 760px) {
  .topbar { flex-wrap: wrap; }
  .topbar nav { order: 3; width: 100%; margin: 0; gap: 20px; }
  .theme-btn { margin-left: auto; }
  .axis { display: none; }
  .night { grid-template-columns: 1fr; gap: 8px; }
  .lane { grid-template-columns: 1fr auto; grid-template-areas: "bar bar" "times bed"; row-gap: 6px; }
  .bedtime small { display: inline; margin-right: 6px; }
  .sky h1 { font-size: 1.85rem; }
  .sentence { font-size: 1.3rem; line-height: 1.7; }
  .sentence .inline { min-height: 44px; }
  .composer { padding: 14px; }
  .jump { display: inline-block; }
  .sky { padding-top: 20px; }
  .eyebrow { margin-bottom: 6px; }
  .promise { margin-bottom: 18px; }
  .bedtime { font-size: 1.25rem; }
  .cols { grid-template-columns: 1fr; }
  .offer { grid-template-columns: 1fr; }
  .offer img { max-width: 220px; }
  .chart-bar { display: none; }
}

@media print {
  .topbar, .composer, .actions, .note, .below, .skip-link, .promise, .eyebrow { display: none !important; }
  .sky { background: #fff !important; color: #000; padding: 0; }
  .sky h1 { font-size: 1.6rem; }
  .plan-head p, .times, .night-date small, .bedtime small, .legend { color: #333 !important; }
  .bar { background: #eee; }
  .moon-shade { fill: #fff; }
  .night { break-inside: avoid; }
}