:root {
  --bg: #f6f5f2; --card: #ffffff; --ink: #1d1c1a; --muted: #6b6862; --line: #e3e0da;
  --accent: #2f5bd3; --accent-ink: #ffffff; --warn: #b4441f; --warn-bg: #fbeee8; --ok: #2f7a4a;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141413; --card: #1e1e1c; --ink: #ecebe7; --muted: #9c9a94; --line: #33322f;
    --accent: #7b9cff; --accent-ink: #0d1530; --warn: #ff9a73; --warn-bg: #3a2219; --ok: #6fcf93;
  }
}
:root[data-theme="dark"] {
    --bg: #141413; --card: #1e1e1c; --ink: #ecebe7; --muted: #9c9a94; --line: #33322f;
    --accent: #7b9cff; --accent-ink: #0d1530; --warn: #ff9a73; --warn-bg: #3a2219; --ok: #6fcf93;
}
:root { color-scheme: light dark; }
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
button { font: inherit; cursor: pointer; border: 0; border-radius: 8px; padding: 8px 14px; background: var(--accent); color: var(--accent-ink); }
button.ghost { background: transparent; color: var(--muted); padding: 6px 8px; }
button.ghost:hover { color: var(--ink); background: var(--line); }
button.x { padding: 2px 8px; }
button:disabled { opacity: .5; }
input, textarea { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; width: 100%; }
textarea { resize: vertical; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.top { position: sticky; top: 0; z-index: 2; display: flex; gap: 10px; align-items: center; padding: 10px 16px; background: var(--bg); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; }
.who { color: var(--muted); font-size: 14px; white-space: nowrap; }
.top input { flex: 1; max-width: 520px; }
main { max-width: 720px; margin: 0 auto; padding: 16px; }

.capture { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; }
.capture textarea { border: 0; padding: 4px; }
.capture textarea:focus { outline: none; }
.capture-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.capture-row button { margin-left: auto; }
.hint { color: var(--muted); font-size: 13px; }

.due { margin-top: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }
.due h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 4px 0; }
.due h2.now { color: var(--warn); }
.due-row:not(.soon) { background: var(--warn-bg); border-radius: 8px; padding: 6px 10px; margin: 4px 0; }
.due-row { padding: 4px 0; }
.due-row.soon { color: var(--muted); font-size: 14px; }

.views { display: flex; gap: 4px; margin: 16px 0 8px; overflow-x: auto; }
.views button { background: transparent; color: var(--muted); white-space: nowrap; }
.views button.on { background: var(--ink); color: var(--bg); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.chip { background: var(--card); color: var(--muted); border: 1px solid var(--line); padding: 3px 10px; font-size: 13px; border-radius: 999px; }
.chip.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.feed { display: grid; gap: 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px 6px; }
.card.is-done .body, .card.is-done h3 { color: var(--muted); text-decoration: line-through; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.count { color: var(--muted); font-weight: 400; font-size: 14px; }
.body { white-space: pre-wrap; overflow-wrap: anywhere; }
.tag { text-decoration: none; }
.photo { display: block; max-width: 100%; max-height: 320px; border-radius: 8px; margin-top: 8px; }
.items { display: grid; gap: 2px; }
.item { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.item input { width: 18px; height: 18px; flex: none; }
.item span { flex: 1; }
.item.ticked span { color: var(--muted); text-decoration: line-through; }
.rem { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; margin-top: 6px; font-size: 14px; color: var(--muted); }
.rem.overdue { color: var(--warn); font-weight: 600; }
.inline { display: flex; gap: 6px; margin-top: 8px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; margin-top: 6px; }
.meta { color: var(--muted); font-size: 13px; margin-right: auto; }
.empty, .foot { color: var(--muted); text-align: center; font-size: 14px; margin: 24px 0; }

.layout { margin-left: auto; display: flex; gap: 2px; padding-left: 8px; }

/* Board: a column per tag, scrolls sideways, one column a screen on a phone. */
body.is-board main { max-width: 1400px; }
body.is-board .capture, body.is-board .due { max-width: 720px; margin-left: auto; margin-right: auto; }
.board { display: flex; gap: 12px; align-items: flex-start; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x proximity; }
.col { flex: 0 0 300px; scroll-snap-align: start; background: var(--line); border: 2px solid transparent; border-radius: var(--radius); padding: 8px; }
.col.over { border-color: var(--accent); }
.col h2 { display: flex; align-items: center; gap: 4px; font-size: 14px; margin: 2px 4px 8px; }
.col h2 .x { margin-left: auto; }
.col-body { display: grid; gap: 8px; min-height: 40px; }
.col-empty { color: var(--muted); font-size: 14px; text-align: center; margin: 10px 0; }
.col-add { display: grid; gap: 8px; align-content: start; background: transparent; border: 2px dashed var(--line); }
.card[draggable="true"] { cursor: grab; }
.card.dragging { opacity: .4; }
@media (max-width: 520px) { .col { flex-basis: 85vw; } .views { flex-wrap: wrap; } }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 8px; max-width: calc(100% - 32px); }

body.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-box { display: grid; gap: 10px; width: 100%; max-width: 320px; }
.login-box h1 { margin: 0 0 6px; font-size: 22px; }
.err { color: var(--warn); margin: 0; }

@media (max-width: 520px) {
  .brand { display: none; }
  .hint { display: none; }
  .who { display: none; }
}

/* Settings */
.settings-title { margin: 0 0 0 auto; font-size: 18px; }
.settings-top { flex-wrap: wrap; }
a.ghost-link { color: var(--muted); text-decoration: none; padding: 6px 8px; border-radius: 8px; white-space: nowrap; font-size: 15px; }
a.ghost-link:hover { color: var(--ink); background: var(--line); }
button.secondary { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
button.secondary:hover { background: var(--line); }
button.linkish { background: none; color: var(--accent); padding: 0; text-decoration: underline; }
.settings { display: grid; gap: 14px; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.panel h2 { font-size: 17px; margin: 0 0 8px; }
.panel h3 { font-size: 15px; margin: 8px 0 0; }
.panel p { margin: 6px 0; }
.stack { display: grid; gap: 10px; max-width: 360px; margin-top: 10px; }
.stack label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.stack .check-label { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.check-label input { width: 18px; height: 18px; flex: none; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.steps { margin: 6px 0; padding-left: 20px; }
.steps li { margin: 4px 0; }
code { font: 14px ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--line); padding: 1px 5px; border-radius: 4px; }
.segmented { display: inline-flex; gap: 2px; background: var(--line); padding: 3px; border-radius: 10px; }
.segmented button { background: transparent; color: var(--muted); padding: 6px 12px; }
.segmented button.on { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.12); }