/* Kanban - light and dark, indigo; the labels as tokens. */

:root {
  --back: #f3f4fb; --panel: #ffffff; --column: #e9ebf6; --text: #161834; --dim: #646a8a; --line: #dcdff0; --accent: #4f46e5; --accent-text: #ffffff;
  --feature: #6366f1; --bug: #e11d48; --idea: #d97706; --chore: #64748b; --danger: #dc2626;
  --shadow: 0 1px 2px rgb(22 24 52 / 6%), 0 6px 18px rgb(22 24 52 / 7%);
  --focus: color-mix(in srgb, var(--accent) 45%, transparent);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --back: #0d0e1a; --panel: #181a2e; --column: #12142a; --text: #e8e9fb; --dim: #9a9fc2; --line: #262946; --accent: #a5b4fc; --accent-text: #161834;
    --feature: #818cf8; --bug: #fb7185; --idea: #fbbf24; --chore: #94a3b8; --danger: #f87171;
    --shadow: 0 1px 2px rgb(0 0 0 / 35%), 0 6px 18px rgb(0 0 0 / 35%);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--back); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.dim { color: var(--dim); }

.top { position: sticky; top: 0; z-index: 5; display: flex; gap: 14px; align-items: center; padding: 10px 22px;
       background: color-mix(in srgb, var(--back) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; gap: 9px; align-items: center; font-weight: 750; font-size: 18px; text-decoration: none; margin-right: auto; }
.brand img { border-radius: 8px; }
.live { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; color: var(--dim); }
.live i { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 0 rgb(34 197 94 / 60%); animation: beat 2s infinite; }
.live.updated span { color: var(--text); }
@keyframes beat { 0% { box-shadow: 0 0 0 0 rgb(34 197 94 / 55%); } 70% { box-shadow: 0 0 0 8px rgb(34 197 94 / 0%); } 100% { box-shadow: 0 0 0 0 rgb(34 197 94 / 0%); } }

.button { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line);
          background: var(--panel); color: var(--text); text-decoration: none; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; }
.button:hover { border-color: var(--accent); }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.button.danger { color: var(--danger); }

main { padding: 20px 22px 36px; }
.bottom { text-align: center; color: var(--dim); font-size: 13px; padding: 6px 20px 26px; }
.flash { max-width: 1400px; margin: 0 auto 16px; padding: 10px 14px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); }

.board-head { display: flex; align-items: baseline; gap: 12px; max-width: 1400px; margin: 0 auto 14px; }
.board-head h1 { margin: 0; font-size: 24px; }

.board { display: grid; grid-template-columns: 1fr 280px; gap: 18px; max-width: 1400px; margin: 0 auto; align-items: start; }
.columns { display: grid; grid-template-columns: repeat(4, minmax(220px, 1fr)); gap: 14px; overflow-x: auto; padding-bottom: 6px; }
.column { background: var(--column); border-radius: 16px; padding: 12px; min-height: 240px; display: flex; flex-direction: column; border: 2px solid transparent; transition: border-color 0.15s; }
.column h2 { margin: 2px 4px 10px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; display: flex; justify-content: space-between; color: var(--dim); }
.column .count { font-weight: 600; }
.column.over { border-color: color-mix(in srgb, var(--danger) 55%, transparent); }
.column.over .count { color: var(--danger); }
.cards { flex: 1; display: flex; flex-direction: column; gap: 10px; min-height: 60px; border-radius: 10px; transition: background 0.15s; }
.cards.target { background: color-mix(in srgb, var(--accent) 10%, transparent); }

.card { position: relative; background: var(--panel); border-radius: 12px; padding: 11px 12px 9px; box-shadow: var(--shadow); border-left: 4px solid var(--line);
        cursor: grab; transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s; }
.card:hover { transform: translateY(-1px); }
.card.dragging { opacity: 0.45; }
.card.arrived { animation: arrive 0.9s ease; }
@keyframes arrive { 0% { box-shadow: 0 0 0 3px var(--accent); } 100% { box-shadow: var(--shadow); } }
.card.label-feature { border-left-color: var(--feature); }
.card.label-bug { border-left-color: var(--bug); }
.card.label-idea { border-left-color: var(--idea); }
.card.label-chore { border-left-color: var(--chore); }
.card .title { display: block; font-weight: 600; text-decoration: none; line-height: 1.35; }
.card .title:hover { color: var(--accent); }
.card p { margin: 5px 0 0; font-size: 13px; color: var(--dim); }
.card footer { display: flex; gap: 6px; align-items: center; margin-top: 8px; font-size: 12px; color: var(--dim); min-height: 22px; }
.chip { padding: 1px 8px; border-radius: 999px; font-weight: 600; font-size: 11.5px; background: color-mix(in srgb, var(--chore) 16%, transparent); }
.label-feature .chip { color: var(--feature); background: color-mix(in srgb, var(--feature) 14%, transparent); }
.label-bug .chip { color: var(--bug); background: color-mix(in srgb, var(--bug) 14%, transparent); }
.label-idea .chip { color: var(--idea); background: color-mix(in srgb, var(--idea) 16%, transparent); }
.card time.late { color: var(--danger); font-weight: 600; }
.moves { margin-left: auto; display: none; gap: 2px; }
.js .moves { display: inline-flex; }
.moves button { border: 0; background: transparent; color: var(--dim); border-radius: 6px; padding: 0 6px; cursor: pointer; font: inherit; font-size: 14px; opacity: 0; transition: opacity 0.15s; }
.card:hover .moves button, .card:focus-within .moves button { opacity: 1; }
.moves button:hover { background: var(--column); color: var(--text); }

.feed { background: var(--panel); border-radius: 16px; padding: 14px 16px; box-shadow: var(--shadow); position: sticky; top: 76px; }
.feed h2 { margin: 0 0 10px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--dim); }
.activity { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; font-size: 13.5px; }
.activity li { display: grid; gap: 1px; }
.activity time { font-size: 11.5px; color: var(--dim); }
.activity li.fresh { animation: arrive 1.2s ease; border-radius: 6px; }

dialog { border: 0; border-radius: 18px; padding: 0; width: min(480px, calc(100vw - 32px)); background: var(--panel); color: var(--text); box-shadow: 0 20px 60px rgb(0 0 0 / 35%); }
dialog::backdrop { background: rgb(13 14 26 / 45%); backdrop-filter: blur(2px); }
.card-form { display: grid; gap: 6px; padding: 20px 22px; }
.card-form h2 { margin: 0 0 6px; }
.card-form label { font-weight: 600; font-size: 13.5px; margin-top: 8px; }
.card-form input, .card-form textarea, .card-form select { width: 100%; font: inherit; color: inherit; padding: 9px 11px; border-radius: 10px; border: 1px solid var(--line); background: var(--back); }
.card-form .error { color: var(--danger); font-size: 13px; }
.card-form div.error { padding: 9px 12px; border-radius: 10px; background: color-mix(in srgb, var(--danger) 10%, var(--panel)); color: inherit; }
.card-form .row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card-form .row label { display: block; }
.bar { display: flex; gap: 10px; margin-top: 14px; }

.narrow { max-width: 680px; margin: 0 auto; }
.narrow h1 { margin: 0 0 12px; }
.crumbs { margin: 0 0 6px; font-size: 13.5px; }
.crumbs a { text-decoration: none; color: var(--dim); }
.sheet { background: var(--panel); border-radius: 16px; box-shadow: var(--shadow); }
.danger-zone { margin-top: 18px; color: var(--dim); }
.danger-zone summary { cursor: pointer; }
.danger-zone form { margin-top: 10px; }
code { font: 0.92em ui-monospace, Menlo, monospace; }

@media (max-width: 1100px) {
  .board { grid-template-columns: 1fr; }
  .feed { position: static; }
}

@media (max-width: 640px) {
  .top { padding: 10px 16px; }
  main { padding: 16px 16px 30px; }
  .columns { grid-template-columns: repeat(4, 78vw); scroll-snap-type: x mandatory; }
  .column { scroll-snap-align: start; }
  .card-form .row { grid-template-columns: 1fr; }
  .moves button { opacity: 1; }
}