:root {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --ink: #1d1f22;
  --muted: #6b6f76;
  --line: #e4e2dc;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --accent-soft: #e3ece8;
  --danger: #b4412f;
  --warn-soft: #fbeae6;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 4px 16px rgb(0 0 0 / 0.04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171a; --surface: #1f2125; --ink: #ececea; --muted: #9a9ea5; --line: #2e3136;
    --accent: #7fb8a4; --accent-ink: #10201b; --accent-soft: #23332e;
    --danger: #ef8a78; --warn-soft: #3a2420;
    --shadow: none; color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
button, input, select, textarea { font: inherit; color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.page { max-width: 680px; margin: 0 auto; padding: max(16px, env(safe-area-inset-top)) 16px 96px; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.bar h1 { margin: 0; font-size: 1.6rem; letter-spacing: -0.02em; }
.bar-actions { display: flex; gap: 4px; flex-wrap: wrap; }
.bar-actions form { margin: 0; }
.status { min-height: 1.4em; margin: 4px 0 12px; color: var(--muted); font-size: 0.9rem; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* buttons */
.btn { border: 1px solid transparent; border-radius: 8px; padding: 8px 14px; background: none; cursor: pointer; white-space: nowrap; }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.primary { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.ghost { color: var(--muted); }
.btn.ghost:hover { background: var(--accent-soft); color: var(--ink); }
.btn.link { padding: 4px 6px; color: var(--accent); }
.btn.link.danger { color: var(--danger); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* inputs */
input[type="text"], input[type="password"], input[type="number"], input[type="datetime-local"], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg);
}
input[aria-invalid="true"] { border-color: var(--danger); }
textarea { resize: vertical; }
.error { color: var(--danger); margin: 6px 0 0; font-size: 0.9rem; }
.errorlist { color: var(--danger); padding-left: 18px; margin: 0 0 8px; }

/* new task form */
.new-task { padding: 12px; margin-bottom: 20px; }
.new-task-main { display: grid; grid-template-columns: 1fr; gap: 8px; }
@media (min-width: 560px) { .new-task-main { grid-template-columns: 1fr 13.5rem auto; } }
.more { margin-top: 8px; }
.more summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; padding: 4px 0; }
.more textarea { margin: 8px 0; }

/* reminder picker */
.picker { border: 0; padding: 0; margin: 8px 0 0; min-width: 0; }
.picker legend { font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; padding: 0; }
.toggles { display: flex; flex-wrap: wrap; gap: 6px; }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle span {
  display: inline-block; min-width: 3.2em; text-align: center; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--line); font-size: 0.85rem; cursor: pointer; user-select: none;
}
.toggle input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.toggle input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.custom-row { display: flex; align-items: center; gap: 6px; margin-top: 8px; }
.custom-row input { width: 5.5rem; }
.custom-row select { width: auto; }
.custom-row span { color: var(--muted); font-size: 0.9rem; }

/* list */
.tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.task {
  display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
}
.task.overdue { border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); background: color-mix(in srgb, var(--warn-soft) 55%, var(--surface)); }
.task.overdue .rel { color: var(--danger); font-weight: 600; }
.check {
  width: 22px; height: 22px; margin-top: 2px; border-radius: 50%; border: 2px solid var(--muted);
  background: none; cursor: pointer; padding: 0;
}
.check:hover { border-color: var(--accent); background: var(--accent-soft); }
.task-body { min-width: 0; }
.task-body p { margin: 0; }
.task-title { font-weight: 550; overflow-wrap: anywhere; }
.task-due { color: var(--muted); font-size: 0.9rem; display: flex; gap: 8px; flex-wrap: wrap; }
.task-notes { color: var(--muted); font-size: 0.9rem; margin-top: 4px !important; overflow-wrap: anywhere; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0 0; padding: 0; }
.chip { font-size: 0.75rem; padding: 1px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.chip::before { content: "🔔 "; }
.chip.sent { opacity: 0.6; }
.task-actions { grid-column: 2; display: flex; gap: 4px; margin-left: -6px; }
@media (min-width: 560px) {
  .task { grid-template-columns: auto 1fr auto; }
  .task-actions { grid-column: 3; margin: 0; opacity: 0.6; }
  .task:hover .task-actions, .task:focus-within .task-actions { opacity: 1; }
}
.task.editing { display: block; }
.edit-form { display: grid; gap: 10px; }
.edit-form label { display: grid; gap: 4px; font-size: 0.85rem; color: var(--muted); }
.row { display: flex; gap: 8px; }
.empty { text-align: center; color: var(--muted); padding: 48px 0; }
.htmx-request.task, .htmx-request .task { opacity: 0.6; transition: opacity 0.2s; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: max(16px, env(safe-area-inset-bottom)); transform: translate(-50%, 150%);
  display: flex; gap: 12px; align-items: center; max-width: calc(100vw - 32px);
  background: var(--ink); color: var(--bg); padding: 10px 12px 10px 16px; border-radius: 10px;
  transition: transform 0.25s ease; pointer-events: none;
}
.toast.show { transform: translate(-50%, 0); pointer-events: auto; }
.toast .btn.link { color: var(--bg); font-weight: 600; text-decoration: underline; }
.toast:empty { display: none; }
@media (prefers-reduced-motion: reduce) { .toast { transition: none; } }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: min(360px, 100%); padding: 24px; display: grid; gap: 12px; }
.login h1 { margin: 0 0 4px; font-size: 1.4rem; }
.login label { display: grid; gap: 4px; font-size: 0.9rem; color: var(--muted); }
.chip.skipped { opacity: 0.45; }
.chip.skipped::before { content: "⤼ "; }
.chip.sent::before { content: "✓ "; }

/* OAuth consent */
.consent p { margin: 0; }
.muted { color: var(--muted); font-size: 0.9rem; }
.consent-dest { color: var(--muted); }
.consent-host { font-size: 1.3rem; color: var(--ink); overflow-wrap: anywhere; }
.consent-warn { border: 1px solid var(--danger); background: var(--warn-soft); color: var(--ink); border-radius: 8px; padding: 10px 12px; font-size: 0.9rem; }