#dash-root { --dash-gutter: var(--cds-pad-md); }
  .cf { --cf-tint: color-mix(in srgb, var(--cf-accent) 10%, var(--color-panel)); --cf-line: color-mix(in srgb, var(--cf-accent) 35%, var(--color-border-line));
    font-family: var(--font-anthropic-sans); color: var(--color-fg); max-width: 46rem; margin-inline: auto; padding-block: var(--cds-pad-md) 0; }
  .cf .serif { font-family: var(--font-anthropic-serif); font-weight: 400; }
  .cf-page { display: grid; gap: var(--cds-gap-md); }
  .cf-page[hidden] { display: none; }
  .cf-flow { display: grid; gap: var(--cds-gap-md); grid-template-columns: minmax(0, 1fr); }
  .cf-head { display: grid; gap: 2px; padding: var(--cds-pad-xs) 0 var(--cds-pad-sm); }
  .cf-date { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); margin: 0; }
  .cf-hello { font-size: var(--cds-font-size-title); margin: 0; }
  .cf-title { font-size: var(--cds-font-size-title); margin: 0; padding: var(--cds-pad-xs) 0 var(--cds-pad-sm); }
  .cf-card { background: var(--color-panel); border: 1px solid var(--color-border-line); border-radius: calc(var(--cds-radius) * 1.6); padding: var(--cds-pad-lg); min-width: 0; }
  .cf-card.accent { background: var(--cf-tint); border-color: var(--cf-line); }
  .cf-label { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); margin: 0; letter-spacing: .01em; }
  .cf-label .dot { display: inline-block; width: .45rem; height: .45rem; border-radius: 50%; background: var(--cf-accent); margin-right: .35rem; vertical-align: middle; }
  .cf h2 { font-size: var(--cds-font-size-heading); font-weight: var(--cds-font-weight-medium); margin: 0 0 var(--cds-gap-sm); }
  .cf-note { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); margin: var(--cds-gap-sm) 0 0; line-height: 1.45; }
  .cf-sub { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-mid { font-size: var(--cds-font-size-title); line-height: 1.15; min-height: 1.15em; }
  .cf-meta { color: var(--color-fg-muted); font-size: var(--cds-font-size-body); margin: 0; }

  .cf-hero { display: grid; gap: var(--cds-gap-xs); }
  .cf-count { font-size: clamp(2.75rem, 12vw, 4.25rem); line-height: 1.02; margin: var(--cds-gap-xs) 0; font-variant-numeric: tabular-nums; min-height: 1.02em; color: var(--cf-accent); }
  .cf-what { font-size: var(--cds-font-size-heading); margin: 0; }
  .cf-hero.urgent .cf-count { color: var(--color-bad); }
  .cf-hero.soon .cf-count { color: var(--color-warn); }
  .cf-bar { height: 6px; border-radius: 3px; background: var(--color-border-line); overflow: hidden; margin-top: var(--cds-gap-sm); }
  .cf-bar > i { display: block; height: 100%; width: 0; border-radius: 3px; background: var(--cf-accent); transition: width 900ms var(--cds-ease-out); }
  .cf-hero.urgent .cf-bar > i { background: var(--color-bad); }
  .cf-hero.soon .cf-bar > i { background: var(--color-warn); }

  .cf-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--cds-gap-md); }
  .cf-two .cf-card { padding: var(--cds-pad-md); display: grid; gap: var(--cds-gap-xs); align-content: start; }
  .cf-two .cf-wide { grid-column: 1 / -1; }

  .cf table { width: 100%; border-collapse: collapse; font-size: var(--cds-font-size-body); font-variant-numeric: tabular-nums; }
  .cf thead th { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .cf td { padding: var(--cds-pad-sm) var(--cds-pad-sm) var(--cds-pad-sm) 0; border-top: 1px solid var(--color-border-line); vertical-align: top; }
  .cf tbody tr:first-child td { border-top: 0; }
  .cf td:last-child { padding-right: 0; }
  .cf td.mut { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); white-space: nowrap; }
  .cf td.right { text-align: right; }
  .cf tr.brk td { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf tr.eve td:nth-child(2) { font-weight: 600; }
  .cf tr.urgent td:last-child { color: var(--color-bad); }
  .cf tr.soon td:last-child { color: var(--color-warn); }
  .cf tbody:empty { display: block; min-height: 3rem; }
  .cf-plan td:nth-child(3) { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf tr[style] td:first-child::after { content: ""; display: block; height: 4px; margin-top: 6px; border-radius: 2px; background: linear-gradient(to right, var(--cf-accent) calc(var(--p, 0) * 100%), var(--color-border-line) 0); }
  .cf tr.urgent[style] td:first-child::after { background: linear-gradient(to right, var(--color-bad) calc(var(--p, 0) * 100%), var(--color-border-line) 0); }
  .cf tr.soon[style] td:first-child::after { background: linear-gradient(to right, var(--color-warn) calc(var(--p, 0) * 100%), var(--color-border-line) 0); }

  .cf-brief table:first-of-type, .cf-brief table:first-of-type tbody { display: block; }
  .cf-brief table:first-of-type tbody tr { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); }
  .cf-brief table:first-of-type tbody tr.summary { grid-template-columns: minmax(0, 1fr); }
  .cf-brief td:first-child { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); padding-top: calc(var(--cds-pad-sm) + 2px); }
  .cf-brief tr.summary td { font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-heading); line-height: 1.35; padding-top: var(--cds-pad-xs); }
  .cf-brief tr.summary td:first-child { display: none; }
  .cf-brief tr.focus td:first-child { color: var(--cf-accent); }
  .cf-brief tr.headsup td:first-child { color: var(--color-warn); }
  .cf-wx { display: block; margin-top: var(--cds-gap-md); }
  .cf-wx tbody { display: grid; grid-template-columns: repeat(auto-fit, minmax(5.5rem, 1fr)); gap: var(--cds-gap-sm); }
  .cf-wx tbody tr { display: grid; gap: 2px; background: var(--color-bg); border: 1px solid var(--color-border-line); border-radius: var(--cds-radius); padding: var(--cds-pad-sm); }
  .cf-wx td { border: 0 !important; padding: 0 !important; }
  .cf-wx td:nth-child(1) { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-wx td:nth-child(2) { font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-heading); }
  .cf-wx td:nth-child(3) { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }

  .cf-examday h2 { margin-top: var(--cds-gap-md); }
  .cf-examday table td:nth-child(4) { color: var(--color-warn); white-space: nowrap; text-align: right; }
  .cf-kit { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
  .cf-kit label { display: flex; gap: var(--cds-gap-sm); align-items: flex-start; padding: var(--cds-pad-xs) 0; min-height: 2.25rem; cursor: pointer; line-height: 1.4; }
  .cf-kit input { accent-color: var(--cf-accent); width: 1.15rem; height: 1.15rem; margin: 2px 0 0; flex: none; }
  .cf-kit input:checked + span { color: var(--color-fg-muted); text-decoration: line-through; }

  .cf-mail { display: block; }
  .cf-mail tbody { display: grid; }
  .cf-mail tbody tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: var(--cds-gap-sm); padding: var(--cds-pad-sm) 0; border-top: 1px solid var(--color-border-line); }
  .cf-mail tbody tr:first-child { border-top: 0; }
  .cf-mail td { border: 0; padding: 0; }
  .cf-mail td:nth-child(1) { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .cf-mail td:nth-child(2) { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); text-align: right; }
  .cf-mail td:nth-child(3) { grid-column: 1 / -1; margin-top: 2px; }
  .cf-mail td:nth-child(4) { grid-column: 1 / -1; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
  .cf-mail tr.unread td:nth-child(3) { font-weight: 600; }
  .cf-mail tr.unread td:nth-child(1)::before { content: ""; display: inline-block; width: .45rem; height: .45rem; border-radius: 50%; background: var(--cf-accent); margin-right: .4rem; vertical-align: middle; }

  .cf-week { container-type: inline-size; display: grid; grid-template-columns: 2.6rem repeat(5, minmax(0, 1fr)); gap: 4px; font-size: var(--cds-font-size-caption); }
  .cf-week .wh { color: var(--color-fg-muted); text-align: center; padding-bottom: 2px; }
  .cf-week .ws { color: var(--color-fg-muted); align-self: center; }
  .cf-week .wc { min-height: 3.2rem; border-radius: var(--cds-radius); border: 1px dashed var(--color-border-line); padding: 4px; line-height: 1.25; overflow-wrap: break-word; hyphens: auto; }
  .cf-week .wc .short { display: none; }
  @container (max-width: 420px) { .cf-week .wc .full { display: none; } .cf-week .wc .short { display: inline; } .cf-week .wc { padding: 4px 3px; } }
  .cf-week .wc.on { border: 1px solid var(--cf-line); background: var(--cf-tint); }
  .cf-week .wc.past { opacity: .45; }

  .cf-days { display: grid; gap: var(--cds-gap-md); }
  .cf-day { display: grid; gap: 4px; }
  .cf-day .dh { display: flex; justify-content: space-between; align-items: baseline; font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); padding-bottom: 2px; }
  .cf-day .dh b { color: var(--color-fg); font-weight: 500; font-size: var(--cds-font-size-body); }
  .cf-day .it { display: grid; grid-template-columns: 7rem minmax(0, 1fr) auto; gap: var(--cds-gap-sm); align-items: baseline; padding: 6px 10px; border-radius: var(--cds-radius); background: var(--color-bg); border-left: 3px solid var(--color-border-line); font-size: var(--cds-font-size-body); }
  .cf-day .it .t { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); font-variant-numeric: tabular-nums; }
  .cf-day .it .k { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  @media (min-width: 720px) { .cf-day .it { grid-template-columns: 9.5rem minmax(0, 1fr) auto; } }
  .cf-day .it.exam { border-left-color: var(--color-bad); }
  .cf-day .it.exam .k { color: var(--color-bad); }
  .cf-day .it.shift { border-left-color: var(--color-warn); }
  .cf-day .it.due { border-left-color: var(--cf-accent); }
  .cf-day .it.due .k { color: var(--cf-accent); }
  .cf-day .free { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); padding: 6px 10px; border: 1px dashed var(--color-border-line); border-radius: var(--cds-radius); }

  .cf-chips { display: flex; flex-wrap: wrap; gap: var(--cds-gap-xs); }
  .cf-chip { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: .4rem; min-height: 2.25rem; padding: 0 var(--cds-pad-md); border-radius: 999px; border: 1px solid var(--color-border-line); background: var(--color-panel); font-family: var(--font-anthropic-sans); font-size: var(--cds-font-size-body); color: var(--color-fg-muted); transition: background var(--cds-dur-slow), color var(--cds-dur-slow), border-color var(--cds-dur-slow), transform 120ms; }
  .cf-chip i { width: .55rem; height: .55rem; border-radius: 50%; background: var(--sc, var(--cf-accent)); }
  .cf-chip[aria-pressed="true"] { color: var(--color-fg); border-color: var(--sc, var(--cf-accent)); background: color-mix(in srgb, var(--sc, var(--cf-accent)) 14%, var(--color-panel)); }
  .cf-chip:active { transform: scale(.96); }
  .cf-chip:focus-visible { outline: 2px solid var(--cf-accent); outline-offset: 2px; }

  .cf-quiz { display: grid; gap: var(--cds-gap-sm); min-height: 14rem; }
  .cf-quiz .qcard { display: grid; gap: var(--cds-gap-sm); }
  .cf-quiz .qp { display: flex; justify-content: space-between; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); margin: 0; }
  .cf-quiz .qbar { height: 4px; border-radius: 2px; background: var(--color-border-line); overflow: hidden; }
  .cf-quiz .qbar i { display: block; height: 100%; background: var(--cf-accent); transition: width var(--cds-dur-slow) var(--cds-ease-out); }
  .cf-quiz .qq { font-size: var(--cds-font-size-heading); line-height: 1.4; margin: var(--cds-gap-xs) 0; }
  .cf-quiz .qo { all: unset; box-sizing: border-box; cursor: pointer; display: block; width: 100%; padding: 10px 14px; border-radius: var(--cds-radius); border: 1px solid var(--color-border-line); background: var(--color-bg); font-family: var(--font-anthropic-sans); font-size: var(--cds-font-size-body); line-height: 1.4; transition: border-color var(--cds-dur-slow), background var(--cds-dur-slow), transform 120ms; }
  .cf-quiz .qo:active { transform: scale(.99); }
  .cf-quiz .qo.right { border-color: var(--color-ok); background: color-mix(in srgb, var(--color-ok) 14%, var(--color-bg)); }
  .cf-quiz .qo.wrong { border-color: var(--color-bad); background: color-mix(in srgb, var(--color-bad) 12%, var(--color-bg)); }
  .cf-quiz .qo[disabled] { cursor: default; }
  .cf-quiz .qx { color: var(--color-fg-muted); font-size: var(--cds-font-size-body); line-height: 1.45; margin: 0; }
  .cf-quiz .qx b { color: var(--color-fg); font-weight: 600; }
  .cf-quiz .qn, .cf-timer button { font-family: var(--font-anthropic-sans); font-size: var(--cds-font-size-body); color: var(--color-fg); background: var(--color-bg); border: 1px solid var(--color-border-line); border-radius: 999px; padding: 0 var(--cds-pad-lg); min-height: 2.5rem; cursor: pointer; transition: transform 120ms, background var(--cds-dur-slow); }
  .cf-quiz .qn { justify-self: start; background: var(--cf-accent); color: var(--color-bg); border-color: var(--cf-accent); }
  .cf-quiz .qn:active, .cf-timer button:active { transform: scale(.96); }
  .cf-quiz .qs { font-family: var(--font-anthropic-serif); font-size: clamp(2.5rem, 10vw, 3.5rem); color: var(--cf-accent); line-height: 1; margin: var(--cds-gap-sm) 0 0; }

  .cf-timer { display: grid; gap: var(--cds-gap-md); justify-items: center; text-align: center; }
  .cf-timer .t-mode { display: flex; gap: var(--cds-gap-xs); }
  .cf-timer button[aria-pressed="true"] { border-color: var(--cf-accent); background: var(--cf-tint); }
  .cf-timer .t-main { background: var(--cf-accent); color: var(--color-bg); border-color: var(--cf-accent); min-width: 7.5rem; }
  .cf-timer .t-ring { position: relative; width: min(13rem, 62vw); aspect-ratio: 1; display: grid; place-items: center; }
  .cf-timer .t-ring svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
  .cf-timer .t-ring circle { fill: none; stroke-width: 5; }
  .cf-timer .t-ring .bg { stroke: var(--color-border-line); }
  .cf-timer .t-ring .fg { stroke: var(--cf-accent); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }
  .cf-timer .t-time { font-family: var(--font-anthropic-serif); font-size: clamp(2.6rem, 13vw, 3.6rem); line-height: 1; font-variant-numeric: tabular-nums; }
  .cf-timer .t-row { display: flex; gap: var(--cds-gap-sm); }
  .cf-timer .t-done { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }

  .cf-steps { margin: var(--cds-gap-sm) 0 0; padding-left: 1.2rem; display: grid; gap: var(--cds-gap-xs); font-size: var(--cds-font-size-body); line-height: 1.5; }
  .cf-soon { color: var(--color-fg-muted); font-size: var(--cds-font-size-body); margin: var(--cds-gap-xs) 0 0; line-height: 1.5; }

  .cf-tabs { position: sticky; bottom: 0; z-index: 3; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 2px; margin-top: var(--cds-gap-xl); padding: 6px 0 calc(8px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--color-bg) 88%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--color-border-line); }
  .cf-tab { all: unset; cursor: pointer; position: relative; display: grid; justify-items: center; gap: 3px; padding: 6px 0 4px; min-height: 44px; border-radius: var(--cds-radius); color: var(--color-fg-muted); font-family: var(--font-anthropic-sans); font-size: 11px; transition: color var(--cds-dur-slow), transform 120ms, background var(--cds-dur-slow); }
  .cf-tab svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--cds-dur-slow) var(--cds-ease-out); }
  .cf-tab::before { content: ""; position: absolute; top: -6px; left: 30%; right: 30%; height: 2px; border-radius: 2px; background: var(--cf-accent); transform: scaleX(0); transition: transform var(--cds-dur-slow) var(--cds-ease-out); }
  .cf-tab[aria-current="page"] { color: var(--cf-accent); font-weight: 500; }
  .cf-tab[aria-current="page"]::before { transform: scaleX(1); }
  .cf-tab[aria-current="page"] svg { transform: translateY(-1px) scale(1.06); }
  .cf-tab:active { transform: scale(.94); }
  .cf-tab:focus-visible { outline: 2px solid var(--cf-accent); outline-offset: 2px; }

  /* consistency pass: one caption style, one padding, one radius, one button */
  .cf-card h2, .cf-label { display: flex; align-items: center; gap: .4rem; margin: 0 0 var(--cds-gap-sm); color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); font-weight: 500; letter-spacing: .02em; }
  .cf-card h2 + table, .cf-card .cf-label + table { margin-top: 0; }
  .cf-card .cf-label .dot, .cf-card h2 .dot { margin: 0; }
  .cf-card h2.gap { margin-top: var(--cds-gap-lg); }
  .cf-two .cf-card { padding: var(--cds-pad-lg); }
  .cf-sub-title { color: var(--color-fg-muted); font-size: var(--cds-font-size-body); margin: -6px 0 var(--cds-gap-xs); }
  .cf-mid, .cf-count, .cf-quiz .qs, .cf-timer .t-time, .cf-wx td:nth-child(2) { font-family: var(--font-anthropic-serif); font-weight: 400; }
  .cf-pill { display: inline-block; font-size: 11px; line-height: 1; padding: 4px 8px; border-radius: 999px; background: color-mix(in srgb, var(--color-warn) 16%, transparent); color: var(--color-warn); white-space: nowrap; }
  .cf-btn { all: unset; box-sizing: border-box; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; min-height: 2.25rem; padding: 0 var(--cds-pad-md); border-radius: 999px; border: 1px solid var(--color-border-line); background: var(--color-bg); font-family: var(--font-anthropic-sans); font-size: var(--cds-font-size-body); color: var(--color-fg); transition: transform 120ms, background var(--cds-dur-slow), border-color var(--cds-dur-slow); }
  .cf-btn:active { transform: scale(.96); }
  .cf-btn[aria-pressed="true"] { border-color: var(--cf-accent); background: var(--cf-tint); }
  .cf-btn.primary { background: var(--cf-accent); border-color: var(--cf-accent); color: var(--color-bg); }
  .cf-btn:focus-visible { outline: 2px solid var(--cf-accent); outline-offset: 2px; }

  /* search */
  .cf-search { position: relative; }
  .cf-search svg { position: absolute; left: 14px; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); fill: none; stroke: var(--color-fg-muted); stroke-width: 1.8; stroke-linecap: round; pointer-events: none; }
  .cf-search input { box-sizing: border-box; width: 100%; min-height: 2.9rem; padding: 0 var(--cds-pad-md) 0 2.6rem; border-radius: 999px; border: 1px solid var(--color-border-line); background: var(--color-panel); color: var(--color-fg); font-family: var(--font-anthropic-sans); font-size: 16px; outline: none; transition: border-color var(--cds-dur-slow), background var(--cds-dur-slow); }
  .cf-search input:focus { border-color: var(--cf-accent); background: var(--cf-tint); }
  .cf-results { display: grid; gap: 2px; }
  .cf-results .r { display: grid; grid-template-columns: 4.6rem minmax(0, 1fr); gap: var(--cds-gap-sm); padding: 8px 0; border-top: 1px solid var(--color-border-line); }
  .cf-results .r:first-child { border-top: 0; }
  .cf-results .r .k { color: var(--cf-accent); font-size: var(--cds-font-size-caption); padding-top: 2px; }
  .cf-results .r .s { display: block; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); margin-top: 2px; }
  .cf-results .none { color: var(--color-fg-muted); font-size: var(--cds-font-size-body); margin: 0; }

  /* week load */
  .cf-load { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; align-items: end; height: 9.5rem; }
  .cf-load .col { display: grid; grid-template-rows: auto 1fr auto; height: 100%; gap: 4px; text-align: center; }
  .cf-load .v { font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); font-variant-numeric: tabular-nums; }
  .cf-load .track { position: relative; display: flex; flex-direction: column; justify-content: flex-end; }
  .cf-load .bar { border-radius: 6px 6px 3px 3px; background: var(--cf-accent); opacity: .85; min-height: 3px; transition: height 700ms var(--cds-ease-out); }
  .cf-load .bar.work { background: var(--color-warn); }
  .cf-load .bar.exam { background: var(--color-bad); }
  .cf-load .d { font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); }
  .cf-load .col.today .d { color: var(--color-fg); font-weight: 500; }
  .cf-legend { display: flex; flex-wrap: wrap; gap: var(--cds-gap-md); margin-top: var(--cds-gap-sm); font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); }
  .cf-legend i { display: inline-block; width: .6rem; height: .6rem; border-radius: 2px; margin-right: .35rem; vertical-align: -1px; }

  /* tomorrow */
  .cf-tmr { display: grid; gap: var(--cds-gap-sm); }
  .cf-tmr .row { display: flex; justify-content: space-between; gap: var(--cds-gap-sm); font-size: var(--cds-font-size-body); }
  .cf-tmr .row span:first-child { color: var(--color-fg-muted); }

  /* cheat sheet */
  .cf-notes tbody tr td:first-child { width: 38%; font-weight: 500; }
  .cf-notes td:last-child { color: var(--color-fg-muted); line-height: 1.45; }

  /* flashcards */
  .cf-quiz .qtoggle { display: flex; gap: var(--cds-gap-xs); }
  .cf-quiz .flash { min-height: 9rem; border-radius: var(--cds-radius); border: 1px solid var(--cf-line); background: var(--cf-tint); padding: var(--cds-pad-lg); display: grid; align-content: center; gap: var(--cds-gap-sm); cursor: pointer; transition: transform 300ms var(--cds-ease-out); }
  .cf-quiz .flash:active { transform: scale(.99); }
  .cf-quiz .flash .a { font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-heading); color: var(--cf-accent); margin: 0; }
  .cf-quiz .qrow { display: flex; gap: var(--cds-gap-xs); flex-wrap: wrap; }

  /* mail flag */
  .cf-mail td:nth-child(5) { grid-column: 1 / -1; margin-top: 6px; }
  .cf-mail td:nth-child(5):empty { display: none; }

  /* wave 4 */
  .cf-now { display: inline-flex; align-items: center; gap: .5rem; margin: var(--cds-gap-xs) 0 0; padding: 6px 12px; border-radius: 999px; background: var(--cf-tint); border: 1px solid var(--cf-line); font-size: var(--cds-font-size-caption); color: var(--color-fg); max-width: 100%; }
  .cf-now::before { content: ""; width: .45rem; height: .45rem; border-radius: 50%; background: var(--color-ok); flex: none; }
  .cf-now.off::before { background: var(--color-fg-muted); }
  .cf-weeksum { color: var(--color-fg-muted); font-size: var(--cds-font-size-body); margin: var(--cds-gap-xs) 0 0; line-height: 1.45; }
  .cf-tick { font-variant-numeric: tabular-nums; color: var(--color-fg-muted); font-size: var(--cds-font-size-body); margin: 0; letter-spacing: .02em; }
  .cf-tod .term { font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-heading); margin: 0 0 var(--cds-gap-xs); }
  .cf-tod .detail { margin: 0; line-height: 1.5; color: var(--color-fg); }
  .cf-quiz .miss { display: grid; gap: var(--cds-gap-sm); margin-top: var(--cds-gap-sm); }
  .cf-quiz .miss div { padding: 10px 12px; border-radius: var(--cds-radius); background: var(--color-bg); border-left: 3px solid var(--color-bad); font-size: var(--cds-font-size-body); line-height: 1.45; }
  .cf-quiz .miss div b { display: block; color: var(--color-ok); font-weight: 500; margin-top: 4px; }
  .cf-kbd { display: none; }
  @media (min-width: 720px) and (hover: hover) { .cf-kbd { display: block; text-align: center; color: var(--color-fg-muted); font-size: 11px; margin: 6px 0 0; } }
  @media (prefers-reduced-motion: no-preference) { .cf-now::before { animation: cf-pulse 2s ease-in-out infinite; } }

  /* wave 5 */
  .cf-alerts { display: grid; gap: var(--cds-gap-sm); }
  .cf-alerts .al { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--cds-gap-sm); align-items: start; padding: 10px 12px; border-radius: var(--cds-radius); background: var(--color-bg); border: 1px solid var(--color-border-line); line-height: 1.45; }
  .cf-alerts .al svg { width: 18px; height: 18px; margin-top: 1px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
  .cf-alerts .al.warn { color: var(--color-warn); border-color: color-mix(in srgb, var(--color-warn) 40%, var(--color-border-line)); }
  .cf-alerts .al.bad { color: var(--color-bad); border-color: color-mix(in srgb, var(--color-bad) 40%, var(--color-border-line)); }
  .cf-alerts .al.ok { color: var(--color-ok); }
  .cf-alerts .al span { color: var(--color-fg); }
  .cf-alerts .al small { display: block; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); margin-top: 2px; }
  .cf-session .lens { display: flex; gap: var(--cds-gap-xs); flex-wrap: wrap; margin-bottom: var(--cds-gap-md); }
  .cf-session ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; counter-reset: st; }
  .cf-session li { display: grid; grid-template-columns: 2rem minmax(0, 1fr) auto; gap: var(--cds-gap-sm); align-items: baseline; padding: 8px 10px; border-radius: var(--cds-radius); background: var(--color-bg); counter-increment: st; }
  .cf-session li::before { content: counter(st); color: var(--cf-accent); font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-heading); }
  .cf-session li small { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); white-space: nowrap; }
  .cf-session .go { margin-top: var(--cds-gap-md); }
  .cf-sleep td:nth-child(3), .cf-sleep td:nth-child(4) { font-variant-numeric: tabular-nums; }
  .cf-sleep td:nth-child(4) { color: var(--cf-accent); text-align: right; }

  /* wave 6 */
  .cf-read p { margin: 0 0 var(--cds-gap-sm); line-height: 1.55; font-size: var(--cds-font-size-body); }
  .cf-read p:last-child { margin-bottom: 0; }
  .cf-read b { font-weight: 500; }
  .cf-desk { display: grid; gap: var(--cds-gap-lg); justify-items: center; text-align: center; padding: var(--cds-pad-xl) 0; }
  .cf-desk .clock { font-family: var(--font-anthropic-serif); font-weight: 400; font-size: clamp(4.5rem, 24vw, 10rem); line-height: .95; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
  .cf-desk .clock small { font-size: .32em; color: var(--color-fg-muted); margin-left: .15em; }
  .cf-desk .ddate { color: var(--color-fg-muted); font-size: var(--cds-font-size-heading); margin: 0; }
  .cf-desk .dnext { display: grid; gap: 4px; padding: var(--cds-pad-lg) var(--cds-pad-xl); border-radius: calc(var(--cds-radius) * 1.6); background: var(--cf-tint); border: 1px solid var(--cf-line); min-width: min(26rem, 100%); box-sizing: border-box; }
  .cf-desk .dnext .t { font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-title); }
  .cf-desk .dnext .c { font-variant-numeric: tabular-nums; color: var(--cf-accent); font-size: var(--cds-font-size-heading); }
  .cf-desk .cf-now { margin: 0; }
  .cf-confetti { position: relative; height: 0; overflow: visible; pointer-events: none; }
  .cf-confetti i { position: absolute; top: 0; width: 7px; height: 11px; border-radius: 2px; opacity: 0; }
  @media (prefers-reduced-motion: no-preference) { .cf-confetti i { animation: cf-fall 1400ms cubic-bezier(.2,.7,.4,1) forwards; } }
  @keyframes cf-fall { 0% { opacity: 1; transform: translate(0, 0) rotate(0); } 100% { opacity: 0; transform: translate(var(--dx), var(--dy)) rotate(var(--r)); } }
  .cf-tabs { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  @media (max-width: 380px) { .cf-tab { font-size: 10px; } .cf-tab svg { width: 20px; height: 20px; } }

  /* wave 7 */
  .cf-gen { display: grid; gap: var(--cds-gap-md); }
  .cf-gen .gq { font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-heading); line-height: 1.4; margin: 0; }
  .cf-gen .gt { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); margin: 0; }
  .cf-gen .ga { margin: 0; padding: 12px 14px; border-radius: var(--cds-radius); background: color-mix(in srgb, var(--color-ok) 12%, var(--color-bg)); border: 1px solid color-mix(in srgb, var(--color-ok) 40%, var(--color-border-line)); line-height: 1.5; }
  .cf-gen .ga b { display: block; font-weight: 600; color: var(--color-ok); margin-bottom: 2px; }
  .cf-gen .row { display: flex; gap: var(--cds-gap-xs); flex-wrap: wrap; }
  .cf-gen .count { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-mail a { color: inherit; text-decoration: none; }
  .cf-mail a:hover { text-decoration: underline; text-underline-offset: 3px; }
  .cf-mail a::after { content: " ↗"; color: var(--color-fg-muted); font-weight: 400; }

  .cf-bal { display: grid; gap: 10px; }
  .cf-bal .b { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr) 2rem; gap: var(--cds-gap-sm); align-items: center; font-size: var(--cds-font-size-body); }
  .cf-bal .b .tr { height: 10px; border-radius: 5px; background: var(--color-border-line); overflow: hidden; }
  .cf-bal .b .tr i { display: block; height: 100%; border-radius: 5px; transition: width 800ms var(--cds-ease-out); }
  .cf-bal .b .n { text-align: right; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); font-variant-numeric: tabular-nums; }

  /* wave 11: homework, results, pay, holidays, Year 12 */
  .cf-res { display: grid; gap: 10px; }
  .cf-res .b { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr) 3.4rem; gap: var(--cds-gap-sm); align-items: center; }
  .cf-res .b .tr { height: 10px; border-radius: 5px; background: var(--color-border-line); overflow: hidden; }
  .cf-res .b .tr i { display: block; height: 100%; border-radius: 5px; transition: width 800ms var(--cds-ease-out); }
  .cf-res .b .n { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--font-anthropic-serif); }
  .cf-res .b small { display: block; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-empty { color: var(--color-fg-muted); font-size: var(--cds-font-size-body); line-height: 1.5; margin: 0; }
  .cf-empty a, .cf-link { color: var(--cf-accent); text-decoration: none; }
  .cf-empty a:hover, .cf-link:hover { text-decoration: underline; text-underline-offset: 3px; }
  .cf-pay .row { display: flex; justify-content: space-between; gap: var(--cds-gap-sm); font-size: var(--cds-font-size-body); }
  .cf-pay .row span:first-child { color: var(--color-fg-muted); }
  .cf-holiday .big { display: grid; grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr)); gap: var(--cds-gap-sm); }
  .cf-holiday .big div { padding: var(--cds-pad-md); border-radius: var(--cds-radius); background: var(--color-bg); display: grid; gap: 2px; }
  .cf-holiday .big b { font-family: var(--font-anthropic-serif); font-weight: 400; font-size: var(--cds-font-size-title); color: var(--cf-accent); }
  .cf-holiday .big span { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-ches ul { margin: var(--cds-gap-xs) 0 0; padding-left: 1.1rem; display: grid; gap: 4px; line-height: 1.45; }

  /* wave 12: study log, goals, targets, post-exam, weather tips */
  .cf-goals { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--cds-gap-lg); align-items: center; }
  .cf-ring { position: relative; width: 6.5rem; aspect-ratio: 1; display: grid; place-items: center; }
  .cf-ring svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
  .cf-ring circle { fill: none; stroke-width: 8; }
  .cf-ring .bg { stroke: var(--color-border-line); }
  .cf-ring .fg { stroke: var(--cf-accent); stroke-linecap: round; transition: stroke-dashoffset 900ms var(--cds-ease-out); }
  .cf-ring b { font-family: var(--font-anthropic-serif); font-weight: 400; font-size: var(--cds-font-size-heading); }
  .cf-glist { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
  .cf-glist li { display: flex; gap: .5rem; align-items: baseline; line-height: 1.4; }
  .cf-glist li::before { content: ""; flex: none; width: .8rem; height: .8rem; border-radius: 4px; border: 1.5px solid var(--color-fg-muted); transform: translateY(2px); }
  .cf-glist li.done { color: var(--color-fg-muted); text-decoration: line-through; }
  .cf-glist li.done::before { background: var(--color-ok); border-color: var(--color-ok); }
  .cf-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--cds-gap-sm); margin-bottom: var(--cds-gap-md); }
  .cf-stats div { padding: var(--cds-pad-sm) var(--cds-pad-md); border-radius: var(--cds-radius); background: var(--color-bg); display: grid; gap: 2px; }
  .cf-stats b { font-family: var(--font-anthropic-serif); font-weight: 400; font-size: var(--cds-font-size-title); }
  .cf-stats span { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-need td:last-child { font-family: var(--font-anthropic-serif); white-space: nowrap; text-align: right; }
  .cf-need tr.hard td:last-child { color: var(--color-bad); }
  .cf-need tr.easy td:last-child { color: var(--color-ok); }

  /* wave 13: design and motion */
  .cf { --cf-accent: var(--cf-base, var(--color-fg)); }
  .cf.morning { --cf-accent: color-mix(in srgb, var(--color-warn) 38%, var(--cf-base, var(--color-fg))); }
  .cf.evening { --cf-accent: color-mix(in srgb, var(--cf-cool, var(--color-fg)) 35%, var(--cf-base, var(--color-fg))); }
  .cf.night { --cf-accent: color-mix(in srgb, var(--color-warn) 45%, var(--cf-base, var(--color-fg))); }
  .cf.night .cf-desk { filter: brightness(.72) sepia(.25); }
  .cf .ci { width: 15px; height: 15px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; opacity: .9; }
  .cf-sec { display: flex; align-items: center; gap: .5rem; margin: var(--cds-gap-md) 0 calc(-1 * var(--cds-gap-xs)); font-size: var(--cds-font-size-heading); font-weight: var(--cds-font-weight-medium); }
  .cf-sec::after { content: ""; flex: 1; height: 1px; background: var(--color-border-line); }
  .cf-glance { display: flex; gap: var(--cds-gap-sm); overflow-x: auto; scroll-snap-type: x mandatory; padding: 2px 2px var(--cds-pad-xs); margin: 0 -2px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .cf-glance::-webkit-scrollbar { display: none; }
  .cf-glance .gl { all: unset; box-sizing: border-box; cursor: pointer; scroll-snap-align: start; flex: 0 0 auto; min-width: 8.4rem; max-width: 11rem; display: grid; gap: 3px; padding: var(--cds-pad-sm) var(--cds-pad-md); border-radius: calc(var(--cds-radius) * 1.6); background: var(--color-panel); border: 1px solid var(--color-border-line); transition: transform 150ms, border-color var(--cds-dur-slow); }
  .cf-glance .gl:first-child { background: var(--cf-tint); border-color: var(--cf-line); }
  .cf-glance .gl:active { transform: scale(.96); }
  .cf-glance .gl:focus-visible { outline: 2px solid var(--cf-accent); outline-offset: 2px; }
  .cf-glance .gl-k { display: flex; gap: .35rem; align-items: center; color: var(--color-fg-muted); font-size: 11px; }
  .cf-glance b { font-family: var(--font-anthropic-serif); font-weight: 400; font-size: var(--cds-font-size-heading); line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .cf-glance .gl-s { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .cf-hero-wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--cds-gap-md); align-items: center; }
  .cf-ring.big { width: clamp(5.5rem, 24vw, 8rem); }
  .cf-ring .center { display: grid; justify-items: center; line-height: 1; position: relative; }
  .cf-ring .center b { font-family: var(--font-anthropic-serif); font-weight: 400; font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .cf-ring .center span { color: var(--color-fg-muted); font-size: 11px; margin-top: 3px; }
  .cf-ring.urgent .fg { stroke: var(--color-bad); }
  .cf-ring.soon .fg { stroke: var(--color-warn); }
  .cf-ring.complete .fg { stroke: var(--color-ok); }
  .cf tr.subj td:first-child::before { content: ""; display: inline-block; width: .5rem; height: .5rem; border-radius: 50%; background: var(--sc); margin-right: .5rem; vertical-align: 1px; }
  .cf-week .wc.on { border-color: var(--sc, var(--cf-line)); background: color-mix(in srgb, var(--sc, var(--cf-accent)) 16%, var(--color-bg)); }
  .cf-fold { background: var(--color-panel); border: 1px solid var(--color-border-line); border-radius: calc(var(--cds-radius) * 1.6); overflow: hidden; }
  .cf-fold > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: .5rem; padding: var(--cds-pad-md) var(--cds-pad-lg); color: var(--color-fg); font-size: var(--cds-font-size-body); font-weight: 500; }
  .cf-fold > summary::-webkit-details-marker { display: none; }
  .cf-fold > summary span { flex: 1; }
  .cf-fold > summary .chev { width: 18px; height: 18px; fill: none; stroke: var(--color-fg-muted); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--cds-dur-slow) var(--cds-ease-out); }
  .cf-fold[open] > summary .chev { transform: rotate(180deg); }
  .cf-fold > .cf-card { border: 0; border-radius: 0; padding-top: 0; background: transparent; }
  .cf-fold > .cf-card > h2:first-child { display: none; }
  .cf-empty { display: flex; gap: .6rem; align-items: flex-start; }
  .cf-empty::before { content: ""; flex: none; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--cf-tint); border: 1px dashed var(--cf-line); }
  .flame { display: inline-block; width: .9em; height: .9em; margin-left: .2em; vertical-align: -.05em; fill: var(--color-warn); }
  [data-draw="tick"] .fl { display: inline-block; min-width: .1em; }
  .cf-ptr { position: fixed; left: 50%; top: 0; z-index: 5; display: flex; align-items: center; gap: .5rem; padding: 8px 14px; border-radius: 999px; background: var(--color-panel); border: 1px solid var(--color-border-line); font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); transform: translate(-50%, -120%); opacity: 0; pointer-events: none; transition: transform 200ms var(--cds-ease-out), opacity 200ms; }
  .cf-ptr svg { width: 16px; height: 16px; fill: none; stroke: var(--cf-accent); stroke-width: 2; stroke-linecap: round; }
  .cf-ptr.busy svg { animation: cf-spin 800ms linear infinite; }
  @media (hover: hover) {
    .cf-card { transition: transform 220ms var(--cds-ease-out), border-color 220ms; }
    .cf-card:hover { transform: translateY(-2px); border-color: var(--cf-line); }
    .cf-fold > .cf-card:hover { transform: none; }
    .cf-glance .gl:hover { transform: translateY(-2px); border-color: var(--cf-line); }
  }
  @media (hover: none) { .cf-card:active { transform: scale(.992); transition: transform 120ms; } }
  @media (min-width: 1100px) {
    .cf { max-width: 80rem; }
    .cf-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  }
  @media (prefers-reduced-motion: no-preference) {
    .cf [data-dash-source-state=loading] { color: transparent !important; border-radius: 6px; background: linear-gradient(90deg, var(--color-border-line) 20%, color-mix(in srgb, var(--color-border-line) 35%, var(--color-panel)) 50%, var(--color-border-line) 80%); background-size: 220% 100%; animation: cf-shimmer 1.3s linear infinite; }
    .cf-bar:not(.inview) > i, .cf-res:not(.inview) .tr i, .cf-bal:not(.inview) .tr i { width: 0 !important; }
    .cf-ring:not(.inview) .fg { stroke-dashoffset: 100 !important; }
    .cf-load:not(.inview) .bar { height: 0 !important; }
    .cf-page.enter.from-right { animation: cf-in-r 380ms var(--cds-ease-out) both; }
    .cf-page.enter.from-left { animation: cf-in-l 380ms var(--cds-ease-out) both; }
    [data-draw="tick"] .fl.flip { animation: cf-flip 360ms var(--cds-ease-out); transform-origin: 50% 60%; }
    .flame { animation: cf-flicker 1.6s ease-in-out infinite; transform-origin: 50% 90%; }
    .cf-ring.complete { animation: cf-pop 600ms var(--cds-ease-out); }
    .cf-glance .gl { animation: cf-up 420ms var(--cds-ease-out) both; }
    .cf-glance .gl:nth-child(2) { animation-delay: 40ms; } .cf-glance .gl:nth-child(3) { animation-delay: 80ms; } .cf-glance .gl:nth-child(4) { animation-delay: 120ms; } .cf-glance .gl:nth-child(5) { animation-delay: 160ms; } .cf-glance .gl:nth-child(6) { animation-delay: 200ms; }
  }
  @keyframes cf-shimmer { from { background-position: 100% 0; } to { background-position: -120% 0; } }
  @keyframes cf-in-r { from { opacity: .3; transform: translateX(28px); } to { opacity: 1; transform: none; } }
  @keyframes cf-in-l { from { opacity: .3; transform: translateX(-28px); } to { opacity: 1; transform: none; } }
  @keyframes cf-flip { 0% { transform: rotateX(80deg); opacity: .2; } 100% { transform: none; opacity: 1; } }
  @keyframes cf-flicker { 0%, 100% { transform: scale(1) rotate(-2deg); } 50% { transform: scale(1.08) rotate(2deg); } }
  @keyframes cf-spin { to { transform: rotate(360deg); } }

  /* wave 14 */
  .cf-mist { display: grid; gap: var(--cds-gap-sm); }
  .cf-mist .m { border-radius: var(--cds-radius); background: var(--color-bg); border-left: 3px solid var(--sc, var(--cf-accent)); padding: 10px 12px; display: grid; gap: 6px; }
  .cf-mist .m small { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-mist .m .q { line-height: 1.45; }
  .cf-mist .m .a { color: var(--color-ok); line-height: 1.45; }
  .cf-mist .m .cf-btn { justify-self: start; min-height: 2rem; font-size: var(--cds-font-size-caption); }
  .cf-guides { display: grid; gap: 6px; }
  .cf-guides a { display: flex; gap: .5rem; align-items: center; padding: 10px 12px; border-radius: var(--cds-radius); background: var(--color-bg); color: var(--color-fg); text-decoration: none; border-left: 3px solid var(--sc, var(--cf-accent)); }
  .cf-guides a:hover { border-color: var(--cf-accent); }
  .cf-guides a small { margin-left: auto; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-habits { display: grid; gap: 6px; overflow-x: auto; }
  .cf-habits .hr { display: grid; grid-template-columns: 8.5rem repeat(14, minmax(14px, 1fr)) 3rem; gap: 4px; align-items: center; font-size: var(--cds-font-size-caption); }
  .cf-habits .hr .n { color: var(--color-fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .cf-habits .hr .d { aspect-ratio: 1; border-radius: 4px; background: var(--color-border-line); }
  .cf-habits .hr .d.on { background: var(--sc, var(--cf-accent)); }
  .cf-habits .hr .d.today { outline: 1.5px solid var(--color-fg-muted); outline-offset: 1px; }
  .cf-habits .hr .s { text-align: right; color: var(--color-fg-muted); font-variant-numeric: tabular-nums; }
  .cf-habits .hr.head .d { background: none; text-align: center; color: var(--color-fg-muted); font-size: 10px; aspect-ratio: auto; }
  .cf-swap .msg { margin: 0; padding: 12px 14px; border-radius: var(--cds-radius); background: var(--color-bg); line-height: 1.5; white-space: pre-line; }
  .cf-swap .row { display: flex; gap: var(--cds-gap-xs); margin-top: var(--cds-gap-sm); }
  .cf-night ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
  .cf-night li { display: grid; grid-template-columns: 6.8rem minmax(0, 1fr); gap: var(--cds-gap-sm); padding: 8px 10px; border-radius: var(--cds-radius); background: var(--color-bg); border-left: 3px solid var(--sc, var(--color-border-line)); align-items: baseline; }
  .cf-night li .t { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); font-variant-numeric: tabular-nums; }
  .cf-night li.brk { background: transparent; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); padding: 2px 10px; }
  .cf-night li.wind { border-left-color: var(--cf-accent); }
  .cf-plan-btn { width: 100%; min-height: 3rem; font-size: var(--cds-font-size-heading); gap: .5rem; }
  .cf-plan-btn .ci { width: 18px; height: 18px; }
  .cf-day .it.study { border-left-style: dashed; }
  .cf-day .it.study .k { color: var(--cf-accent); }
  .cf-desk .dblock { margin: 0; color: var(--color-fg-muted); font-size: var(--cds-font-size-heading); }

  [data-dash-source-state=empty] { color: transparent; }
  [data-dash-source-state=refreshing] { opacity: .5; transition: opacity var(--cds-dur-slow); }

  @media (min-width: 720px) {
    .cf { max-width: 62rem; }
    .cf-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
    .cf-flow > .span-all { grid-column: 1 / -1; }
    .cf-count { font-size: 4.5rem; }
    .cf-tabs { max-width: 36rem; width: 100%; margin-inline: auto; border: 1px solid var(--color-border-line); border-radius: 999px; bottom: 12px; padding: 4px 12px; }
    .cf-tab::before { display: none; }
    .cf-tab[aria-current="page"] { background: var(--cf-tint); }
    .cf-tab { font-size: 12px; }
  }

  @media (prefers-reduced-motion: no-preference) {
    .cf-page.enter > *, .cf-page.enter .cf-flow > * { animation: cf-up 420ms var(--cds-ease-out) both; }
    .cf-page.enter .cf-flow > *:nth-child(2) { animation-delay: 50ms; }
    .cf-page.enter .cf-flow > *:nth-child(3) { animation-delay: 100ms; }
    .cf-page.enter .cf-flow > *:nth-child(4) { animation-delay: 150ms; }
    .cf-page.enter .cf-flow > *:nth-child(5) { animation-delay: 200ms; }
    .cf-page.enter .cf-flow > *:nth-child(n+6) { animation-delay: 250ms; }
    .cf-quiz .qcard { animation: cf-up 300ms var(--cds-ease-out) both; }
    .cf-quiz .qo.wrong { animation: cf-shake 320ms ease-in-out; }
    .cf-quiz .qo.right { animation: cf-pop 320ms var(--cds-ease-out); }
    .cf-examday .cf-label .dot { animation: cf-pulse 1.8s ease-in-out infinite; }
    .cf-timer.running .t-ring { animation: cf-breathe 4s ease-in-out infinite; }
  }
  @keyframes cf-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
  @keyframes cf-shake { 0%, 100% { transform: none; } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
  @keyframes cf-pop { 0% { transform: scale(1); } 50% { transform: scale(1.02); } 100% { transform: scale(1); } }
  @keyframes cf-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
  @keyframes cf-breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.015); } }
  /* wave 15: jarvis */
  .cf-head { position: relative; padding-right: 7.5rem; }
  .cf-lvl { all: unset; box-sizing: border-box; cursor: pointer; position: absolute; top: var(--cds-pad-xs); right: 0; display: flex; align-items: center; gap: .5rem; padding: 4px 12px 4px 4px; border-radius: 999px; background: var(--cf-tint); border: 1px solid var(--cf-line); font-size: var(--cds-font-size-caption); color: var(--color-fg); transition: transform 120ms, box-shadow 400ms; }
  .cf-lvl:active { transform: scale(.96); }
  .cf-lvl:focus-visible { outline: 2px solid var(--cf-accent); outline-offset: 2px; }
  .cf-lvl .cf-ring { width: 34px; }
  .cf-lvl .cf-ring circle { stroke-width: 10; }
  .cf-lvl .cf-ring b { font-family: var(--font-anthropic-sans); font-size: 12px; font-weight: 600; }
  .cf-lvl .lv { display: grid; line-height: 1.2; }
  .cf-lvl .lv b { font-weight: 600; }
  .cf-lvl .lv span { color: var(--color-fg-muted); font-size: 11px; }
  .cf-lvl.levelup { box-shadow: 0 0 0 6px color-mix(in srgb, var(--cf-accent) 25%, transparent); }
  .cf-asks { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin-top: calc(-1 * var(--cds-gap-xs)); padding-bottom: 2px; }
  .cf-asks::-webkit-scrollbar { display: none; }
  .cf-asks .ask { all: unset; box-sizing: border-box; cursor: pointer; white-space: nowrap; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--color-border-line); background: var(--color-panel); font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); transition: border-color var(--cds-dur-slow), color var(--cds-dur-slow), transform 120ms; }
  .cf-asks .ask:hover { border-color: var(--cf-line); color: var(--color-fg); }
  .cf-asks .ask:active { transform: scale(.96); }
  .cf-answer { display: grid; gap: 4px; padding: 12px 14px; border-radius: var(--cds-radius); background: var(--cf-tint); border-left: 3px solid var(--cf-accent); margin-bottom: var(--cds-gap-sm); }
  .cf-answer.none { display: none; }
  .cf-answer small { color: var(--cf-accent); font-size: var(--cds-font-size-caption); font-weight: 600; letter-spacing: .04em; }
  .cf-answer .a { margin: 0; font-size: var(--cds-font-size-heading); line-height: 1.4; }
  .cf-answer .s { margin: 0; color: var(--color-fg-muted); line-height: 1.45; }
  .cf-donow { display: grid; gap: var(--cds-gap-md); }
  .cf-donow-btn { all: unset; box-sizing: border-box; cursor: pointer; position: relative; overflow: hidden; display: flex; align-items: center; gap: .75rem; width: 100%; padding: 14px 16px; border-radius: calc(var(--cds-radius) * 1.4); background: linear-gradient(115deg, color-mix(in srgb, var(--cf-accent) 24%, var(--color-panel)), var(--color-panel) 75%); border: 1px solid var(--cf-line); font-size: var(--cds-font-size-heading); font-weight: 500; color: var(--color-fg); transition: transform 120ms; }
  .cf-donow-btn:active { transform: scale(.985); }
  .cf-donow-btn:focus-visible { outline: 2px solid var(--cf-accent); outline-offset: 2px; }
  .cf-donow-btn .orb { flex: none; width: 28px; height: 28px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, color-mix(in srgb, #fff 70%, var(--cf-accent)), var(--cf-accent) 55%, color-mix(in srgb, var(--cf-accent) 40%, #000)); box-shadow: 0 0 18px color-mix(in srgb, var(--cf-accent) 55%, transparent); }
  .cf-donow-btn.thinking::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--cf-accent) 30%, transparent), transparent); transform: translateX(-100%); animation: cf-scan 650ms ease-in-out infinite; }
  .cf-donow-out { display: grid; gap: 6px; }
  .cf-donow-out[hidden] { display: none; }
  .cf-donow-out .k { color: var(--cf-accent); font-size: var(--cds-font-size-caption); font-weight: 600; letter-spacing: .04em; }
  .cf-donow-out .head { margin: 0; font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-title); line-height: 1.2; }
  .cf-donow-out .why { margin: 0 0 var(--cds-gap-sm); color: var(--color-fg-muted); line-height: 1.5; }
  .cf-donow-out .then { margin: 0; padding-left: 1.1rem; display: grid; gap: 4px; color: var(--color-fg-muted); line-height: 1.4; }
  .cf-energy { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; height: 9rem; }
  .cf-energy .c { all: unset; box-sizing: border-box; cursor: pointer; display: grid; grid-template-rows: auto 1fr auto; gap: 4px; height: 100%; text-align: center; font-size: var(--cds-font-size-caption); border-radius: var(--cds-radius); padding: 2px; }
  .cf-energy .c:focus-visible { outline: 2px solid var(--cf-accent); }
  .cf-energy .c .v { color: var(--color-fg-muted); font-variant-numeric: tabular-nums; }
  .cf-energy .c .tr { position: relative; border-radius: 6px; background: var(--color-bg); overflow: hidden; }
  .cf-energy .c .tr i { position: absolute; left: 0; right: 0; bottom: 0; border-radius: 6px; height: var(--h); transition: height 800ms var(--cds-ease-out); }
  .cf-energy:not(.inview) .c .tr i { height: 0; }
  .cf-energy .c.today .d { color: var(--cf-accent); font-weight: 600; }
  .cf-energy .c.sel .tr { box-shadow: inset 0 0 0 1px var(--cf-line); }
  .cf-elist { display: grid; gap: 6px; margin-top: var(--cds-gap-md); }
  .cf-elist p { margin: 0; padding: 8px 12px; border-radius: var(--cds-radius); background: var(--color-bg); border-left: 3px solid var(--lc, var(--cf-accent)); line-height: 1.45; }
  .cf-elist p b { font-weight: 600; }
  .cf-parcels { display: grid; gap: 8px; }
  .cf-parcels .p { display: grid; gap: 8px; padding: 10px 12px; border-radius: var(--cds-radius); background: var(--color-bg); color: var(--color-fg); text-decoration: none; }
  .cf-parcels .p .t { display: flex; justify-content: space-between; gap: .75rem; }
  .cf-parcels .p .t span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .cf-parcels .p small { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); white-space: nowrap; }
  .cf-parcels .trk { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
  .cf-parcels .trk i { height: 4px; border-radius: 2px; background: var(--color-border-line); }
  .cf-parcels .trk i.on { background: var(--cf-accent); }
  .cf-parcels .trk i.done { background: var(--color-ok); }
  .cf-parcels .lbl { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; font-size: 10.5px; color: var(--color-fg-muted); }
  .cf-parcels .lbl .on { color: var(--color-fg); }
  .cf-subs { display: grid; gap: 4px; }
  .cf-subs a { display: flex; justify-content: space-between; gap: .75rem; padding: 8px 12px; border-radius: var(--cds-radius); background: var(--color-bg); color: var(--color-fg); text-decoration: none; }
  .cf-subs a small { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); white-space: nowrap; }
  .cf-autolinks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--cds-gap-md); }
  .cf-autolinks .cf-btn { text-decoration: none; font-size: var(--cds-font-size-caption); min-height: 2rem; }
  .cf-xp { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--cds-gap-lg); align-items: center; }
  .cf-xp .info { display: grid; gap: 4px; }
  .cf-xp .ttl { margin: 0; font-family: var(--font-anthropic-serif); font-size: var(--cds-font-size-title); line-height: 1.1; }
  .cf-xp .sub { margin: 0; color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); }
  .cf-xp .bar { height: 6px; border-radius: 3px; background: var(--color-bg); overflow: hidden; margin: 4px 0; }
  .cf-xp .bar i { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg, var(--cf-accent), color-mix(in srgb, var(--cf-accent) 45%, var(--color-ok))); transition: width 900ms var(--cds-ease-out); }
  .cf-badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(6.25rem, 1fr)); gap: 8px; margin-top: var(--cds-gap-lg); }
  .cf-badges .b { display: grid; justify-items: center; align-content: start; gap: 4px; padding: 12px 6px; border-radius: var(--cds-radius); background: var(--color-bg); border: 1px solid transparent; text-align: center; font-size: 11px; line-height: 1.3; color: var(--color-fg-muted); opacity: .55; }
  .cf-badges .b svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
  .cf-badges .b b { font-size: var(--cds-font-size-caption); font-weight: 600; color: var(--color-fg); }
  .cf-badges .b.on { opacity: 1; color: var(--color-fg-muted); border-color: var(--cf-line); background: var(--cf-tint); }
  .cf-badges .b.on svg { stroke: var(--bc, var(--cf-accent)); filter: drop-shadow(0 0 6px color-mix(in srgb, var(--bc, var(--cf-accent)) 45%, transparent)); }
  .cf-xplog { display: grid; gap: 4px; margin-top: var(--cds-gap-md); }
  .cf-xplog div { display: flex; justify-content: space-between; gap: .75rem; font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); padding: 4px 0; border-bottom: 1px solid var(--color-border-line); }
  .cf-xplog div b { color: var(--cf-accent); font-weight: 600; font-variant-numeric: tabular-nums; }
  .cf-howxp { margin-top: var(--cds-gap-md); font-size: var(--cds-font-size-caption); color: var(--color-fg-muted); }
  .cf-howxp summary { cursor: pointer; color: var(--color-fg); }
  .cf-howxp ul { margin: 6px 0 0; padding-left: 1.1rem; display: grid; gap: 2px; line-height: 1.45; }
  .cf-wrap-btn { all: unset; box-sizing: border-box; cursor: pointer; display: flex; align-items: center; gap: .9rem; width: 100%; color: var(--color-fg); }
  .cf-wrap-btn .art { flex: none; width: 52px; height: 52px; border-radius: 14px; background: conic-gradient(from var(--wa, 0deg), var(--w1, var(--cf-accent)), var(--w2, var(--color-ok)), var(--w3, var(--color-warn)), var(--w1, var(--cf-accent))); position: relative; }
  .cf-wrap-btn .art::after { content: ""; position: absolute; inset: 7px; border-radius: 9px; background: color-mix(in srgb, var(--color-panel) 55%, transparent); backdrop-filter: blur(4px); }
  .cf-wrap-btn .txt { display: grid; gap: 2px; flex: 1; }
  .cf-wrap-btn .txt b { font-size: var(--cds-font-size-heading); font-weight: 500; }
  .cf-wrap-btn .txt small { color: var(--color-fg-muted); font-size: var(--cds-font-size-caption); line-height: 1.4; }
  .cf-wrap-btn .go { width: 20px; height: 20px; fill: none; stroke: var(--color-fg-muted); stroke-width: 1.8; }
  .cf-wrapped { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: 16px; background: color-mix(in srgb, #000 78%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
  .cf-wrapped[hidden] { display: none; }
  .cf-wrapped .w-shell { position: relative; width: min(26rem, 100%); height: min(44rem, calc(100dvh - 32px)); }
  .cf-wrapped .w-stage { position: absolute; inset: 0; border-radius: 24px; overflow: hidden; background: var(--color-panel); box-shadow: 0 30px 80px #0008; }
  .cf-wrapped .w-close { position: absolute; top: 24px; right: 14px; z-index: 4; min-height: 2rem; font-size: var(--cds-font-size-caption); background: #0006; color: #fff; border-color: #fff3; }
  .cf-wrapped .w-slide { position: absolute; inset: 0; display: grid; align-content: center; gap: 14px; padding: 56px 28px 72px; color: #fff; background: radial-gradient(120% 80% at 10% 0%, color-mix(in srgb, var(--w1) 70%, #000) 0%, transparent 60%), radial-gradient(120% 90% at 100% 100%, color-mix(in srgb, var(--w2) 60%, #000) 0%, transparent 65%), #07080c; }
  .cf-wrapped .w-slide .k { margin: 0; font-size: var(--cds-font-size-caption); letter-spacing: .14em; text-transform: uppercase; opacity: .75; }
  .cf-wrapped .w-slide .big { margin: 0; font-family: var(--font-anthropic-serif); font-size: clamp(3rem, 15vw, 4.75rem); line-height: .95; letter-spacing: -.02em; }
  .cf-wrapped .w-slide .big.long { font-size: clamp(2.2rem, 10vw, 3.2rem); }
  .cf-wrapped .w-slide .t { margin: 0; font-size: 1.2rem; line-height: 1.35; }
  .cf-wrapped .w-slide .s { margin: 0; opacity: .78; line-height: 1.5; }
  .cf-wrapped .w-bars { position: absolute; top: 12px; left: 14px; right: 14px; z-index: 3; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 4px; }
  .cf-wrapped .w-bars i { height: 3px; border-radius: 2px; background: #ffffff38; overflow: hidden; }
  .cf-wrapped .w-bars i b { display: block; height: 100%; width: 0; background: #fff; }
  .cf-wrapped .w-bars i.done b { width: 100%; }
  .cf-wrapped .w-prev, .cf-wrapped .w-next { all: unset; position: absolute; top: 0; bottom: 0; z-index: 2; cursor: pointer; }
  .cf-wrapped .w-prev { left: 0; width: 33%; }
  .cf-wrapped .w-next { right: 0; width: 67%; }
  .cf-wrapped .w-hint { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; font-size: 11px; color: #fffa; z-index: 1; margin: 0; }
  #desk { position: relative; min-height: calc(100dvh - 7rem); align-content: center; }
  .cf-sky { position: absolute; inset: 0; z-index: 0; pointer-events: none; border-radius: calc(var(--cds-radius) * 2); overflow: hidden; }
  .cf-sky canvas { display: block; width: 100%; height: 100%; }
  #desk .cf-desk { position: relative; z-index: 1; }
  .cf-desk .dnext { background: color-mix(in srgb, var(--cf-tint) 70%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
  .cf-desk .dwx { margin: 0; color: var(--color-fg-muted); font-size: var(--cds-font-size-body); }
  @keyframes cf-scan { to { transform: translateX(100%); } }
  @keyframes cf-orb { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.12); } }
  @keyframes cf-glow { 0%, 100% { box-shadow: 0 0 0 0 transparent; } 50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--cf-accent) 14%, transparent); } }
  @keyframes cf-wfill { from { width: 0; } to { width: 100%; } }
  @keyframes cf-spin { to { --wa: 360deg; } }
  @property --wa { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
  @media (prefers-reduced-motion: no-preference) {
    .cf-donow-btn .orb { animation: cf-orb 2.8s ease-in-out infinite; }
    .cf-donow-out .head, .cf-donow-out .why { animation: cf-up 380ms var(--cds-ease-out) both; }
    .cf-donow-out .why { animation-delay: 80ms; }
    .cf-answer { animation: cf-up 260ms var(--cds-ease-out) both; }
    .cf-desk .dnext { animation: cf-glow 3.2s ease-in-out infinite; }
    .cf-wrapped .w-bars i.now b { animation: cf-wfill 5.5s linear forwards; }
    .cf-wrapped .w-slide > * { animation: cf-up 520ms var(--cds-ease-out) both; }
    .cf-wrapped .w-slide > :nth-child(2) { animation-delay: 120ms; }
    .cf-wrapped .w-slide > :nth-child(3) { animation-delay: 260ms; }
    .cf-wrapped .w-slide > :nth-child(4) { animation-delay: 400ms; }
    .cf-wrap-btn .art { animation: cf-spin 8s linear infinite; }
    .cf-badges .b.on { animation: cf-pop 500ms var(--cds-ease-out) both; }
    .cf-lvl.levelup { animation: cf-pop 600ms var(--cds-ease-out) 3; }
  }
  @media (prefers-reduced-motion: reduce) { .cf-wrapped .w-bars i.now b { width: 100%; } }
  @media (max-width: 420px) { .cf-head { padding-right: 0; } .cf-lvl { position: static; justify-self: start; margin-top: 6px; } }