:root {
  color-scheme: light;
  --cp-bg: #f7f4ef;
  --cp-bg-elevated: #fcfbf8;
  --cp-surface: #ffffff;
  --cp-surface-soft: #f5f5f5;
  --cp-border: #dedede;
  --cp-border-strong: #919191;
  --cp-text: #242424;
  --cp-text-muted: #5c5c5c;
  --cp-text-soft: #6f6f6f;
  --cp-accent: #b11f4b;
  --cp-accent-hover: #9a1a41;
  --cp-accent-soft: rgba(177, 31, 75, 0.08);
  --cp-accent-fg: #ffffff;
  --cp-success: #16a34a;
  --cp-danger: #dc2626;
  --cp-warning: #f59e0b;
  --cp-link: #0078d4;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
  --cp-overlay: rgba(255, 255, 255, 0.8);
  --cp-panel: rgba(255, 255, 255, 0.86);
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.55);
  --cp-highlight: rgba(177, 31, 75, 0.12);
}
html[data-theme="dark"] {
  color-scheme: dark;
  --cp-bg: #3d3b3a;
  --cp-bg-elevated: #343231;
  --cp-surface: #292929;
  --cp-surface-soft: #2e2e2e;
  --cp-border: #474747;
  --cp-border-strong: #5f5f5f;
  --cp-text: #dedede;
  --cp-text-muted: #919191;
  --cp-text-soft: #b0b0b0;
  --cp-accent: #fd8ea1;
  --cp-accent-hover: #fb7b91;
  --cp-accent-soft: rgba(253, 142, 161, 0.14);
  --cp-accent-fg: #1a1a1a;
  --cp-success: #4ade80;
  --cp-danger: #f87171;
  --cp-warning: #fbbf24;
  --cp-link: #4da6ff;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --cp-overlay: rgba(41, 41, 41, 0.88);
  --cp-panel: rgba(41, 41, 41, 0.72);
  --cp-panel-strong: rgba(41, 41, 41, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.04);
  --cp-highlight: rgba(253, 142, 161, 0.12);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--cp-bg); color: var(--cp-text); font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif; line-height: 1.6; }
button, input, textarea, select { font: inherit; color: inherit; }
button, select, input[type="date"] { min-height: 48px; }
button, select { cursor: pointer; }
button, input, textarea, select { border: 1px solid var(--cp-border-strong); border-radius: .625rem; background: var(--cp-surface); padding: 10px 16px; }
button:hover { border-color: var(--cp-accent); background: var(--cp-accent-soft); }
:focus-visible { outline: 3px solid var(--cp-accent); outline-offset: 4px; }
button:disabled { cursor: default; opacity: .45; }
a { color: var(--cp-accent); text-underline-offset: 4px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip { position: fixed; top: -100px; left: 16px; z-index: 3; background: var(--cp-surface); padding: 12px; }
.skip:focus { top: 12px; }
.site-header { max-width: 1160px; margin: auto; padding: 28px 32px; display: flex; justify-content: space-between; align-items: center; gap: 16px; border-bottom: 1px solid var(--cp-border); }
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; color: var(--cp-text); font-weight: 750; font-size: 20px; letter-spacing: -.5px; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: .625rem; background: var(--cp-accent); color: var(--cp-accent-fg); font-size: 24px; }
.brand small { display: block; font-size: 9px; letter-spacing: 1.6px; color: var(--cp-text-muted); }
.privacy-pill { font-size: 12px; color: var(--cp-text-muted); }
main { max-width: 1160px; margin: auto; padding: 0 32px; }
.track-links { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; padding-top: 20px; font-size: 13px; }
.track-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 0; }
.track-links a[aria-current] { font-weight: 750; text-decoration-thickness: 2px; }
.track-links span { font-size: 11px; color: var(--cp-text-soft); }
.intro { display: grid; grid-template-columns: 1.5fr 1fr; gap: 80px; align-items: center; padding: 56px 0 32px; }
.eyebrow { font-size: 11px; font-weight: 750; letter-spacing: 1.8px; color: var(--cp-accent); margin: 0 0 12px; }
h1 { font-size: clamp(40px, 5vw, 64px); letter-spacing: -2.5px; line-height: 1.06; margin: 16px 0 20px; font-weight: 750; }
h2 { font-size: 26px; letter-spacing: -.8px; line-height: 1.25; margin: 0 0 12px; }
h3 { font-size: 20px; line-height: 1.35; margin: 0 0 12px; letter-spacing: -.3px; }
p { margin: 0 0 12px; }
.lede { color: var(--cp-text-muted); font-size: 17px; max-width: 510px; }
.routine { padding: 24px 0 24px 28px; border-left: 3px solid var(--cp-accent); }
.routine strong { display: block; font-size: 25px; letter-spacing: -.5px; margin-bottom: 12px; }
.routine p { font-size: 14px; }
.muted { color: var(--cp-text-muted); }
.fine { font-size: 12px; color: var(--cp-text-muted); }
.card { border: 1px solid var(--cp-border); background: var(--cp-surface); border-radius: 16px; padding: 28px; }
.save-status { font-size: 12px; color: var(--cp-text-muted); padding: 8px 0 16px; }
.save-status.error, .notice.error { color: var(--cp-danger); }
.notice { border: 1px solid var(--cp-border-strong); background: var(--cp-surface); padding: 16px; border-radius: .625rem; margin-bottom: 16px; overflow-wrap: anywhere; }
.overview { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.date-label { font-size: 13px; font-weight: 650; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 20px; }
input[type="date"] { max-width: 100%; }
#date-help { margin-top: 8px; }
.progress-block { align-self: center; }
.progress-value { display: flex; align-items: baseline; gap: 12px; }
.progress-value strong { font-size: 52px; letter-spacing: -2px; line-height: 1.2; color: var(--cp-accent); }
.progress-value span { color: var(--cp-text-muted); font-size: 13px; }
progress { display: block; width: 100%; height: 10px; border: 0; border-radius: 8px; overflow: hidden; background: var(--cp-surface-soft); accent-color: var(--cp-accent); margin: 16px 0 12px; }
progress::-webkit-progress-bar { background: var(--cp-surface-soft); }
progress::-webkit-progress-value { background: var(--cp-accent); border-radius: 8px; }
progress::-moz-progress-bar { background: var(--cp-accent); }
#total-label { font-weight: 650; font-size: 14px; margin: 0; }
#next-label { font-size: 13px; margin: 4px 0 16px; }
.primary { background: var(--cp-accent); color: var(--cp-accent-fg); border-color: var(--cp-accent); font-weight: 650; }
.primary:hover { background: var(--cp-accent-hover); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid var(--cp-border); margin: 32px 0; padding-bottom: 12px; }
.tab { border: 0; background: var(--cp-bg); color: var(--cp-text-muted); font-weight: 650; }
.tab.active { color: var(--cp-accent); background: var(--cp-accent-soft); }
.section-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 20px; }
.section-top p:last-child { margin-bottom: 0; }
.day-controls { display: flex; gap: 8px; flex-shrink: 0; }
.day-controls button { width: 48px; padding: 8px; font-size: 20px; }
.day-controls select { max-width: 130px; }
.tasks { display: grid; gap: 12px; }
.task { display: flex; align-items: flex-start; gap: 20px; border: 1px solid var(--cp-border); border-radius: 16px; background: var(--cp-surface); padding: 24px; cursor: pointer; }
.task:hover { border-color: var(--cp-border-strong); }
.task input { width: 24px; height: 24px; min-width: 24px; accent-color: var(--cp-accent); margin: 2px 0 0; cursor: pointer; }
.task strong { display: block; font-size: 17px; margin-bottom: 4px; line-height: 1.4; }
.task .category { display: block; color: var(--cp-accent); font-size: 10px; font-weight: 750; text-transform: uppercase; letter-spacing: 1.6px; margin-bottom: 8px; }
.task .detail { display: block; font-size: 14px; color: var(--cp-text-muted); }
.task:has(input:checked) { background: var(--cp-bg-elevated); }
.task:has(input:checked) strong { text-decoration: line-through; color: var(--cp-text-muted); }
.notes-card { margin-top: 20px; }
.notes-card label { display: block; margin-bottom: 12px; }
.notes-card label span { display: block; font-size: 13px; }
textarea { display: block; width: 100%; resize: vertical; font-size: 15px; }
#notes-help { margin: 8px 0 0; }
.weeks { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.week-header { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.week-header h3 { font-size: 21px; }
.week-header span { font-size: 12px; white-space: nowrap; color: var(--cp-text-muted); }
.day-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; text-align: left; border: 0; border-top: 1px solid var(--cp-border); border-radius: 0; padding: 12px 0; background: var(--cp-surface); }
.day-link .day-text { min-width: 0; }
.day-link strong, .day-link small { display: block; }
.day-link strong { font-size: 14px; }
.day-link small { color: var(--cp-text-muted); font-size: 12px; }
.day-link .day-count { font-size: 12px; white-space: nowrap; color: var(--cp-accent); }
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.guide-grid p { font-size: 14px; color: var(--cp-text-muted); }
.resources { margin-top: 20px; }
.resources a { display: block; width: fit-content; padding: 12px 0; }
.backup { display: grid; grid-template-columns: 1fr auto; gap: 40px; margin: 40px 0 24px; background: var(--cp-bg-elevated); }
.backup p { font-size: 14px; max-width: 650px; }
.backup p.fine { font-size: 12px; }
.backup h2 { font-size: 22px; }
.backup-actions { display: flex; flex-direction: column; justify-content: center; gap: 12px; min-width: 160px; }
footer { text-align: center; font-size: 12px; color: var(--cp-text-muted); padding: 24px 20px 36px; }
footer span { padding: 0 8px; color: var(--cp-accent); }
.task-stack { border: 1px solid var(--cp-border); border-radius: 16px; background: var(--cp-surface); overflow: hidden; }
.task-stack .task { border: 0; border-radius: 0; margin: 0; }
.task-materials { padding: 16px 24px 20px; border-top: 1px solid var(--cp-border); background: var(--cp-bg-elevated); }
.material-label { font-size: 10px; font-weight: 750; letter-spacing: 1.4px; color: var(--cp-text-soft); }
.daily-resources { list-style: none; padding: 0; margin: 0; }
.daily-resources li { display: grid; grid-template-columns: 90px 1fr; gap: 0 12px; align-items: start; padding: 8px 0; }
.daily-resources a, .lesson-link { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; padding: 8px 0; text-align: left; overflow-wrap: anywhere; }
.resource-kind { font-size: 10px; font-weight: 700; color: var(--cp-text-muted); padding-top: 12px; }
.daily-resources small { grid-column: 2; font-size: 11px; color: var(--cp-text-soft); }
.lesson-link { border: 0; background: var(--cp-bg-elevated); color: var(--cp-accent); text-decoration: underline; text-underline-offset: 3px; border-radius: 4px; }
.library-filters { display: grid; grid-template-columns: 1fr 220px auto; align-items: end; gap: 16px; margin: 24px 0 12px; }
.library-filters label { font-size: 13px; font-weight: 650; }
.library-filters input, .library-filters select { display: block; width: 100%; margin-top: 8px; min-width: 0; min-height: 48px; }
.resource-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.resource-card, .news-card { min-width: 0; overflow-wrap: anywhere; }
.resource-description, .lesson-content p, .news-lens { font-size: 14px; color: var(--cp-text-muted); }
.resource-open { display: inline-flex; align-items: center; min-height: 48px; font-weight: 650; font-size: 14px; }
.lesson-content summary, .worked-check summary { min-height: 48px; padding: 12px 0; cursor: pointer; color: var(--cp-accent); font-size: 14px; font-weight: 650; }
.lesson-content h4 { font-size: 14px; margin: 16px 0 8px; }
.lesson-content pre { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--cp-surface-soft); padding: 16px; border-radius: .625rem; font-size: 12px; }
code { font-family: Consolas, "Courier New", Courier, monospace; }
.worked-check { border-top: 1px solid var(--cp-border); }
.market-brief { margin-bottom: 20px; }
.market-brief p { font-size: 14px; }
.news-card h3 { font-size: 18px; }
.news-card h3 a { min-height: 48px; display: inline-flex; align-items: center; }
.source-card { margin-top: 24px; }
.source-list { list-style: none; padding: 0; }
.source-list li { border-top: 1px solid var(--cp-border); padding: 12px 0; }
.source-list a { display: inline-flex; align-items: center; min-height: 44px; }
.source-list span { display: block; }
html[data-theme="dark"] :is(.resource-description, .lesson-content p, .news-lens, .resource-kind) { color: var(--cp-text-soft); }
html[data-theme="dark"] :is(.muted, .fine, .lede, .save-status, .privacy-pill, .brand small, .tab, .progress-value span, .week-header span, .day-link small, .task .detail, .guide-grid p, footer) { color: var(--cp-text-soft); }
html[data-theme="dark"] .save-status.error { color: var(--cp-danger); }
@media (max-width: 760px) {
  .site-header { padding: 20px; }
  main { padding: 0 20px; }
  .intro { grid-template-columns: 1fr; gap: 24px; padding: 32px 0 20px; }
  .routine { padding: 4px 0 4px 20px; }
  .routine strong { font-size: 21px; }
  .routine p:last-child { margin-bottom: 0; }
  .overview { grid-template-columns: 1fr; gap: 24px; }
  .progress-block { border-top: 1px solid var(--cp-border); padding-top: 24px; }
  .card { padding: 20px; }
  .section-top { flex-direction: column; align-items: flex-start; gap: 16px; }
  .weeks, .guide-grid { grid-template-columns: 1fr; }
  .backup { grid-template-columns: 1fr; gap: 16px; }
  .backup-actions { display: grid; grid-template-columns: 1fr 1fr; min-width: 0; }
  .backup-actions span { grid-column: 1 / -1; }
  .privacy-pill { display: none; }
  .task { padding: 20px 16px; gap: 12px; }
  .tabs { gap: 4px; }
  .tab { padding: 10px 12px; font-size: 13px; flex: 1; }
  .tabs { display: grid; grid-template-columns: repeat(3, 1fr); }
  .task-materials { padding: 16px; }
  .daily-resources li { grid-template-columns: 70px 1fr; gap: 0 8px; }
  .library-filters, .resource-grid { grid-template-columns: 1fr; }
  .library-filters { gap: 12px; }
  .day-controls { width: 100%; }
  .day-controls select { flex: 1; max-width: none; }
  h2 { font-size: 24px; }
}
@media (prefers-reduced-motion: no-preference) { button, .task { transition: background .15s, border-color .15s; } }