/* Tiny Steps: calm, readable, big targets. Light by default, dark on request. */
:root {
  --bg: #f7f3ec;
  --card: #ffffff;
  --ink: #2a2420;
  --ink-2: #5a4f47;
  --rule: #e0d6c8;
  --accent: #a94f2a;
  --accent-ink: #ffffff;
  --accent-soft: #fbe6da;
  --done: #776c63;
  --focus: #0b5ed7;
  --font: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1815; --card: #25201c; --ink: #f1ebe3; --ink-2: #c9bfb3; --rule: #3a322b;
    --accent: #f0a27a; --accent-ink: #22160f; --accent-soft: #3d2a20; --done: #a0958b; --focus: #8ab4ff;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.6 var(--font); padding-inline: clamp(16px, 4vw, 40px); }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.top { max-width: 1080px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.35rem; }
.home-link { font-weight: 700; font-size: .95rem; color: var(--ink); text-decoration: none; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px; white-space: nowrap; }
.home-link:hover { border-color: var(--accent); }

.layout { max-width: 1080px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 28px; align-items: start; padding-bottom: 40px; }
.work { display: grid; gap: 18px; min-width: 0; }

.ask { background: var(--card); border: 1px solid var(--rule); border-radius: 16px; padding: 18px; display: grid; gap: 12px; }
.ask-label { font-weight: 700; font-size: 1.25rem; }
.ask-row { display: flex; gap: 10px; flex-wrap: wrap; }
.ask-row input { flex: 1 1 240px; min-width: 0; }
input[type="text"], input[type="number"] { font: inherit; color: var(--ink); background: var(--bg); border: 2px solid var(--rule); border-radius: 10px; padding: 10px 12px; min-height: 48px; }
input[type="text"]:focus, input[type="number"]:focus { border-color: var(--accent); outline: none; }
.size { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.size legend { float: left; margin-right: 8px; font-weight: 700; color: var(--ink-2); }
.size label { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px; cursor: pointer; min-height: 40px; }
.size label:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); font-weight: 700; }
.size input { accent-color: var(--accent); width: 18px; height: 18px; }

.btn { text-decoration: none; font: 700 1rem/1 var(--font); color: var(--ink); background: var(--card); border: 2px solid var(--rule); border-radius: 10px; padding: 12px 16px; min-height: 48px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.small { min-height: 40px; padding: 8px 12px; font-size: .92rem; }
.btn.inline { min-height: 32px; padding: 4px 10px; font-size: .85rem; margin-left: 4px; }
.btn:disabled { opacity: .55; cursor: default; }

.ai { background: var(--card); border: 1px solid var(--rule); border-radius: 16px; padding: 14px 18px; }
.ai summary { cursor: pointer; font-weight: 700; display: flex; justify-content: space-between; gap: 10px; align-items: center; min-height: 32px; }
.ai-state { font-size: .85rem; padding: 2px 10px; border-radius: 999px; background: var(--bg); border: 1px solid var(--rule); color: var(--ink-2); }
.ai-state.on { background: var(--accent-soft); border-color: var(--accent); color: var(--ink); }
.ai p { color: var(--ink-2); margin: 10px 0; }
.meter { height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; border: 1px solid var(--rule); }
.meter span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }

.steps-card { background: var(--card); border: 1px solid var(--rule); border-radius: 16px; padding: 18px; }
.list-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 16px; }
.list-title { margin: 0; font-size: 1.5rem; line-height: 1.2; overflow-wrap: anywhere; }
.list-meta { margin: 0; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.source { margin: 4px 0 12px; font-size: .9rem; color: var(--ink-2); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.step { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 12px; background: var(--bg); }
.step.drafting { opacity: .7; }
.check { width: 30px; height: 30px; accent-color: var(--accent); cursor: pointer; margin: 0; }
.step-body { display: grid; gap: 2px; min-width: 0; }
.step-text { font: inherit; color: var(--ink); background: transparent; border: 2px solid transparent; border-radius: 8px; padding: 6px; min-height: 40px; width: 100%; resize: none; overflow: hidden; line-height: 1.4; display: block; field-sizing: content; }
.step-text:hover { border-color: var(--rule); }
.step-text:focus { border-color: var(--accent); outline: none; background: var(--card); }
.step-min { display: flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: .9rem; padding-left: 6px; }
.step-min input { width: 64px; min-height: 36px; padding: 4px 8px; }
.step-actions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.step-actions .btn { min-height: 40px; padding: 8px 10px; font-size: .9rem; }
.step-actions .start { background: var(--accent-soft); border-color: var(--accent); }
.step.done .step-text { text-decoration: line-through; text-decoration-thickness: 2px; color: var(--done); }
.step.done { background: transparent; }
@media (prefers-reduced-motion: no-preference) {
  .step { transition: background-color .35s ease, opacity .35s ease; }
  .step.just-done { animation: settle .6s ease-out; }
  @keyframes settle { 0% { background: var(--accent-soft); } 100% { background: transparent; } }
}
.add { display: flex; gap: 10px; margin-top: 12px; }
.add input { flex: 1; min-width: 0; }

.empty { background: transparent; border: 2px dashed var(--rule); border-radius: 16px; padding: 18px 20px; }
.empty h2 { margin: 0 0 6px; font-size: 1.25rem; }
.empty p { margin: 0; color: var(--ink-2); }

.side { background: var(--card); border: 1px solid var(--rule); border-radius: 16px; padding: 16px; position: sticky; top: 16px; }
.side h2 { margin: 0 0 10px; font-size: 1.1rem; }
.lists { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 6px; }
.lists li { display: flex; gap: 6px; align-items: stretch; }
.lists .open { flex: 1; min-width: 0; text-align: left; justify-content: flex-start; font-weight: 400; min-height: 44px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lists .open[aria-current="true"] { border-color: var(--accent); background: var(--accent-soft); font-weight: 700; }
.lists .del { min-height: 44px; padding: 8px 12px; }
.none { color: var(--ink-2); margin: 0 0 12px; }
.side-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.fine { font-size: .85rem; color: var(--ink-2); }

.foot { max-width: 1080px; margin: 0 auto; border-top: 1px solid var(--rule); padding-block: 18px 32px; color: var(--ink-2); font-size: .95rem; }
.foot p { margin: 4px 0; }

.toast { position: fixed; left: 50%; bottom: max(20px, env(safe-area-inset-bottom)); transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-weight: 700; max-width: calc(100vw - 32px); }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .side { position: static; }
}
@media (max-width: 520px) {
  .step { grid-template-columns: auto minmax(0, 1fr); }
  .step-actions { grid-column: 1 / -1; justify-content: flex-start; }
}