:root {
  --bg: #f6f6f9;
  --card: #ffffff;
  --text: #17171c;
  --muted: #6b6b78;
  --line: #e4e4ea;
  --accent: #4f46e5;
  --accent-text: #ffffff;
  --ok: #16a34a;
  --danger: #dc2626;
  --flash: #ecfdf3;
  --flash-error: #fef2f2;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111114;
    --card: #1c1c21;
    --text: #f1f1f4;
    --muted: #9a9aa8;
    --line: #2c2c33;
    --accent: #818cf8;
    --accent-text: #111114;
    --ok: #4ade80;
    --danger: #f87171;
    --flash: #13281c;
    --flash-error: #2c1515;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px max(32px, env(safe-area-inset-bottom));
}

h1 { font-size: 28px; margin: 0; }
h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 28px 0 8px; font-weight: 600; }
.count { font-weight: 500; margin-left: 4px; }
.muted { color: var(--muted); margin: 2px 0 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }

button, input, select, textarea { font: inherit; color: inherit; }

input, select, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}

textarea { resize: vertical; }

button {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
}

button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.danger { color: var(--danger); }
.link-button { border: 0; background: none; padding: 4px 0; color: var(--accent); text-decoration: none; }

.flash { background: var(--flash); border-radius: 12px; padding: 12px 14px; margin: 0 0 16px; }
.flash-error { background: var(--flash-error); }
.offline-badge {
  position: sticky; z-index: 10; top: calc(env(safe-area-inset-top) + 8px);
  width: fit-content; margin: calc(env(safe-area-inset-top) + 8px) auto -4px;
  background: var(--text); color: var(--bg); font-size: 13px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px; box-shadow: 0 2px 8px rgba(0, 0, 0, .2);
}
.offline-note {
  position: fixed; z-index: 10; left: 16px; right: 16px; bottom: calc(env(safe-area-inset-bottom) + 16px);
  background: var(--text); color: var(--bg); border-radius: 12px; padding: 12px 14px; margin: 0;
}
.is-pending .task-title { color: var(--muted); }
.check.pending { border-style: dashed; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; }

.capture { display: grid; gap: 8px; }
.capture button { padding: 14px; }

.tasks { list-style: none; margin: 0; padding: 0; background: var(--card); border-radius: 14px; border: 1px solid var(--line); }

.task { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-top: 1px solid var(--line); }
.task:first-child { border-top: 0; }
.task form { margin: 0; }

.check {
  width: 30px;
  height: 30px;
  min-width: 30px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--muted);
  background: transparent;
  color: var(--accent-text);
  font-weight: 700;
}
.check.checked { background: var(--ok); border-color: var(--ok); }

.task-body { flex: 1; min-width: 0; color: inherit; text-decoration: none; display: flex; flex-direction: column; }
.task-title { overflow-wrap: anywhere; }
.task-meta { font-size: 14px; color: var(--muted); }
.is-done .task-title { text-decoration: line-through; color: var(--muted); }

.task-actions { display: flex; gap: 6px; }
.chip { font-size: 14px; padding: 6px 10px; border-radius: 999px; white-space: nowrap; }
.chip-accent { border-color: var(--accent); color: var(--accent); }
.is-waiting .check { border-style: dashed; }
.nudge { background: var(--card); border: 1px solid var(--accent); border-radius: 14px; padding: 4px 14px 14px; margin-bottom: 16px; }
.nudge .actions { margin-top: 8px; }
.inline-right { text-align: right; margin: 4px 0 0; }

details { margin-top: 8px; }
details.section { margin-top: 24px; }
summary { cursor: pointer; color: var(--muted); padding: 6px 0; }
details .tasks { margin-top: 8px; }

.empty { text-align: center; color: var(--muted); margin: 40px 0; font-size: 19px; }

.stack { display: grid; gap: 6px; }
.stack label { margin-top: 10px; font-size: 14px; color: var(--muted); }
.stack button.primary { margin-top: 16px; padding: 14px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row label { display: block; margin: 10px 0 6px; font-size: 14px; color: var(--muted); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.actions form { margin: 0; }

.raw { white-space: pre-wrap; color: var(--muted); }

.login-wrap { max-width: 360px; margin: 18vh auto 0; }
.legal { margin-top: 24px; text-align: center; font-size: 14px; }
.legal a { color: inherit; }
a.button { display: block; text-align: center; text-decoration: none; padding: 14px; border-radius: 12px; }
a.button.primary { background: var(--accent); color: var(--accent-text); font-weight: 600; }