:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef0f4;
  --text: #1b1f27;
  --muted: #5b6270;
  --line: #d9dde5;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --accent-soft: #dbe7ff;
  --star: #e2a400;
  --danger: #d6453d;
  --evening: #6d5cd1;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(20, 30, 60, 0.12);
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", "Consolas", ui-monospace, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171c;
    --surface: #1f2229;
    --surface-2: #272b34;
    --text: #e9ecf1;
    --muted: #9aa3b2;
    --line: #343946;
    --accent: #6ea0ff;
    --accent-ink: #0d1424;
    --accent-soft: #233355;
    --star: #f0c040;
    --danger: #ff6b61;
    --evening: #a596ff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
kbd {
  font-family: var(--mono);
  font-size: 0.85em;
  padding: 0.05em 0.4em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-2);
}

.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
.skip {
  position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink);
  padding: 8px 12px; border-radius: 8px; z-index: 10;
}
.skip:focus { left: 8px; }

/* Header */
.top { padding: 18px 0; }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.3rem; color: var(--text); text-decoration: none; }
.brand-mark { width: 28px; height: 28px; color: var(--accent); }
.badge {
  font-size: 0.85rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px;
  background: var(--surface);
}

/* Hero */
.hero { display: grid; gap: 40px; padding: 40px 0 56px; align-items: center; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.05fr 1fr; padding-top: 56px; } }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 12px; }
.fineprint { font-size: 0.9rem; color: var(--muted); }

.button {
  display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; text-decoration: none;
  border: 1px solid transparent; font-size: 1rem; cursor: pointer; font-family: inherit; line-height: 1.2;
}
.button.primary { background: var(--accent); color: var(--accent-ink); }
.button.primary:hover { filter: brightness(1.08); }
.button.primary[disabled] { opacity: 0.6; cursor: default; }
.button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.button.ghost:hover { background: var(--surface); }
.button:focus-visible, input:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 2px; }

/* Teaser mock-up */
.teaser { margin: 0; }
.teaser figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 10px; text-align: center; }
.window {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; font-size: 13px; user-select: none;
}
.titlebar { height: 32px; display: flex; align-items: center; gap: 6px; padding: 0 12px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.titlebar .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.window-body { display: grid; grid-template-columns: 150px 1fr; min-height: 340px; }
@media (max-width: 420px) { .window-body { grid-template-columns: 1fr; } .sidebar { display: none; } }
.sidebar { background: var(--surface-2); padding: 10px 8px; border-right: 1px solid var(--line); }
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { display: flex; align-items: center; gap: 8px; padding: 5px 8px; border-radius: 6px; color: var(--text); }
.sidebar li.active { background: var(--surface); box-shadow: 0 1px 2px rgba(0,0,0,0.08); font-weight: 600; }
.sidebar li.sep { margin-top: 8px; }
.sidebar .glyph { width: 14px; color: var(--accent); font-size: 12px; text-align: center; }
.sidebar .glyph.star { color: var(--star); }
.sidebar .count { margin-left: auto; color: var(--muted); font-size: 11px; }
.sidebar .areas { margin-top: 12px; }
.sidebar .area { font-weight: 600; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 6px; }
.sidebar .project { padding-left: 12px; }
.ring { width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--accent); display: inline-block; }
.list { padding: 14px 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.list-title { font-size: 17px; font-weight: 700; margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }
.list-title .star { color: var(--star); }
.group { font-weight: 600; color: var(--muted); font-size: 12px; margin-top: 10px; padding-bottom: 2px; border-bottom: 1px solid var(--line); }
.group.evening { color: var(--evening); }
.row { display: flex; align-items: center; gap: 10px; padding: 4px 2px; }
.row .box { width: 14px; height: 14px; border: 1.5px solid var(--muted); border-radius: 3px; flex: none; }
.row .box.checked { background: var(--accent); border-color: var(--accent); position: relative; }
.row .box.checked::after { content: ""; position: absolute; left: 4px; top: 1px; width: 4px; height: 8px; border: solid var(--accent-ink); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.row.done .text { text-decoration: line-through; color: var(--muted); }
.row .text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chip { font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.chip.deadline { color: var(--danger); border-color: var(--danger); }
.tag { font-size: 11px; padding: 1px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--text); }
.quick {
  margin-top: auto; display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--surface-2); box-shadow: var(--shadow); font-size: 12px;
}
.quick-label { color: var(--muted); font-size: 11px; }
.quick-input { flex: 1; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 4px 8px; }
.caret { display: inline-block; width: 1px; height: 12px; background: var(--text); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { to { opacity: 0; } }
.kbd { font-family: var(--mono); font-size: 10px; padding: 1px 5px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; background: var(--surface); }
@media (prefers-reduced-motion: reduce) { .caret { animation: none; } html { scroll-behavior: auto; } }

/* Features */
.features { padding: 24px 0 40px; }
.grid { display: grid; gap: 16px; }
@media (min-width: 720px) { .grid { grid-template-columns: 1fr 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 10px; }
.card p { color: var(--muted); }
.note { font-size: 0.9rem; color: var(--muted); margin-top: 20px; }

/* Pricing */
.pricing { padding: 8px 0 40px; }
.price-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; text-align: center; max-width: 640px; margin-inline: auto; }
.price { font-size: 2.6rem; font-weight: 700; margin: 4px 0 10px; letter-spacing: -0.02em; }
.price-note { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-card p:last-child { color: var(--muted); margin-bottom: 0; }

/* Join */
.join { padding: 8px 0 64px; max-width: 640px; }
.join-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.field { display: block; margin-bottom: 14px; }
.field span { display: block; font-weight: 600; margin-bottom: 6px; }
.field input {
  width: 100%; font: inherit; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text);
}
.field input[aria-invalid="true"] { border-color: var(--danger); }
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; color: var(--muted); margin-bottom: 16px; }
.consent input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: 0; }
.status { font-size: 0.95rem; color: var(--muted); }
.status.error { color: var(--danger); }
.done { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.done p { margin: 0; color: var(--muted); }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 0.9rem; color: var(--muted); }
.foot a { color: inherit; }
.legal { font-size: 0.8rem; }

/* Privacy page */
.prose { max-width: 720px; padding: 24px 0 64px; }
.prose h1 { font-size: 2rem; }
.prose h2 { font-size: 1.3rem; margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: 0.4em; }