:root {
  --bg: #f5f3ee;
  --surface: #ffffff;
  --column: #ebe8e1;
  --text: #24282a;
  --muted: #6b7074;
  --line: #dcd8cf;
  --accent: #3f7d6e;
  --accent-soft: #dcebe6;
  --on-accent: #ffffff;
  --overdue: #b64a3c;
  --today: #9a6b12;
  --owner-b: #dfe6f3;
  --owner-b-text: #2f4f86;
  --owner-d: #f1e1ec;
  --owner-d-text: #7d3466;
  --owner-both: #e6e3f3;
  --owner-both-text: #4b3f86;
  --shadow: 0 1px 2px rgba(30, 30, 20, 0.06), 0 2px 8px rgba(30, 30, 20, 0.05);
  --radius: 14px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1d1c;
    --surface: #262a28;
    --column: #212422;
    --text: #e9ebe8;
    --muted: #a0a6a2;
    --line: #353a37;
    --accent: #7cc0ad;
    --accent-soft: #28403a;
    --on-accent: #102420;
    --overdue: #f08f80;
    --today: #e7bd6c;
    --owner-b: #2b3547;
    --owner-b-text: #b7cbf0;
    --owner-d: #432d3d;
    --owner-d-text: #f0bfe0;
    --owner-both: #35304a;
    --owner-both-text: #cdc4f3;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body { min-height: 100dvh; padding-bottom: calc(96px + env(safe-area-inset-bottom)); }

button { font: inherit; color: inherit; cursor: pointer; }

/* ---------- Top bar ---------- */

.topbar {
  padding: calc(12px + env(safe-area-inset-top)) 16px 8px;
}

.topbar-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.topbar-row.sub { margin-top: 4px; }

h1 { font-size: 1.5rem; margin: 0; font-weight: 650; letter-spacing: -0.01em; }

.me-button {
  width: 38px; height: 38px; border-radius: 50%;
  border: 0; background: var(--accent-soft); color: var(--accent);
  font-weight: 700;
}

.updated {
  display: inline-flex; align-items: center; gap: 6px;
  border: 0; background: none; padding: 4px 0;
  color: var(--muted); font-size: 0.85rem; min-width: 0;
}
.updated span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.updated svg { width: 15px; height: 15px; flex: none; }
.updated.spinning svg { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.filters { display: flex; background: var(--column); border-radius: 999px; padding: 3px; flex: none; }
.filters button {
  border: 0; background: none; border-radius: 999px;
  padding: 4px 12px; font-size: 0.85rem; color: var(--muted);
}
.filters button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

/* ---------- Column tabs (phone only) ---------- */

.tabs {
  display: flex; gap: 6px;
  padding: 4px 16px 10px;
  position: sticky; top: 0; z-index: 4; padding-top: calc(6px + env(safe-area-inset-top));
  background: var(--bg);
}
.tabs button {
  flex: 1; border: 1px solid var(--line); background: none;
  border-radius: 10px; padding: 8px 4px; font-size: 0.9rem; color: var(--muted);
}
.tabs button.active { background: var(--surface); color: var(--text); border-color: transparent; box-shadow: var(--shadow); font-weight: 600; }
.count { color: var(--muted); font-weight: 400; font-size: 0.85em; }

/* ---------- Board ---------- */

.board {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  gap: 0;
}
.board::-webkit-scrollbar { display: none; }

.column {
  scroll-snap-align: start;
  padding: 0 16px;
  min-height: 60vh;
}
.column h2 { display: none; }

.cards { display: flex; flex-direction: column; gap: 10px; min-height: 120px; border-radius: var(--radius); transition: background 0.15s; }
.column.drop-target .cards { background: var(--accent-soft); outline: 2px dashed var(--accent); outline-offset: 4px; }

.empty { color: var(--muted); text-align: center; padding: 40px 12px; font-size: 0.95rem; }

@media (min-width: 860px) {
  .tabs { display: none; }
  .board {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    overflow: visible;
    gap: 16px;
    padding: 8px 16px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .column { background: var(--column); border-radius: 18px; padding: 12px; }
  .column h2 { display: block; font-size: 1rem; margin: 4px 4px 12px; }
  .topbar { max-width: 1200px; margin: 0 auto; }
}

/* ---------- Cards ---------- */

.card {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 12px 10px 14px;
  border-left: 4px solid transparent;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  touch-action: manipulation;
}
.card.overdue { border-left-color: var(--overdue); }
.card.today { border-left-color: var(--today); }
.card.done .card-title { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--line); }
.card.saving { opacity: 0.6; }
.card.lifting { transform: scale(0.98); transition: transform 0.2s; }
.card.dragging-source { opacity: 0.3; }

.card-open {
  display: block; width: 100%; text-align: left;
  border: 0; background: none; padding: 0;
}
.card-title { font-size: 1rem; margin: 0 0 8px; overflow-wrap: anywhere; }

.card-foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.owner {
  font-size: 0.75rem; font-weight: 700; padding: 2px 8px; border-radius: 999px;
}
.owner.B { background: var(--owner-b); color: var(--owner-b-text); }
.owner.D { background: var(--owner-d); color: var(--owner-d-text); }
.owner.Both { background: var(--owner-both); color: var(--owner-both-text); }

.due { font-size: 0.8rem; color: var(--muted); }
.card.overdue .due { color: var(--overdue); font-weight: 600; }
.card.today .due { color: var(--today); font-weight: 600; }

.quick-move {
  margin-left: auto;
  border: 1px solid var(--line); background: none; border-radius: 999px;
  font-size: 0.8rem; padding: 5px 11px; color: var(--accent); font-weight: 600;
}

.drag-ghost {
  position: fixed; z-index: 50; pointer-events: none;
  transform: rotate(-2deg) scale(1.03);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  opacity: 0.95;
}

.show-more { border: 0; background: none; color: var(--accent); padding: 8px; font-size: 0.9rem; }

/* ---------- Add button ---------- */

.fab {
  position: fixed; right: 18px; bottom: calc(20px + env(safe-area-inset-bottom)); z-index: 6;
  width: 58px; height: 58px; border-radius: 50%; border: 0;
  background: var(--accent); color: var(--on-accent);
  box-shadow: 0 6px 18px rgba(40, 80, 70, 0.35);
  display: grid; place-items: center;
}
.fab svg { width: 26px; height: 26px; }

/* ---------- Drop tray (while dragging) ---------- */

.drop-tray {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex; gap: 8px;
  padding: 10px 12px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
}
.drop-tray[hidden] { display: none; }
.drop-tray div {
  flex: 1; text-align: center; padding: 18px 4px; border-radius: 12px;
  border: 2px dashed var(--line); color: var(--muted); font-weight: 600;
}
.drop-tray div.drop-target { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

/* ---------- Sheets (pop-ups) ---------- */

.sheet {
  border: 0; padding: 0; margin: auto auto 0;
  width: 100%; max-width: 520px;
  border-radius: 20px 20px 0 0;
  background: var(--surface); color: var(--text);
  max-height: 92dvh;
}
@media (min-width: 600px) { .sheet { margin: auto; border-radius: 20px; } }
.sheet::backdrop { background: rgba(20, 22, 21, 0.4); }
.sheet form { padding: 20px 18px calc(18px + env(safe-area-inset-bottom)); }
.sheet h2 { margin: 0 0 14px; font-size: 1.2rem; }

.field { display: block; border: 0; margin: 0 0 16px; padding: 0; }
.field > span, .field > legend { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; padding: 0; }
.field textarea, .field input[type="date"], .field input[type="password"] {
  width: 100%; font: inherit; font-size: 16px; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; resize: vertical;
}
.field textarea:focus, .field input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.segmented { display: flex; background: var(--bg); border-radius: 10px; padding: 3px; border: 1px solid var(--line); }
.segmented label { flex: 1; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; text-align: center; padding: 9px 4px; border-radius: 8px; cursor: pointer; color: var(--muted); }
.segmented input:checked + span { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: var(--shadow); }
.segmented input:focus-visible + span { outline: 2px solid var(--accent); }

.meta { color: var(--muted); font-size: 0.8rem; margin: -4px 0 14px; }
.error { color: var(--overdue); font-size: 0.9rem; margin: 0 0 12px; }

.sheet-buttons { display: flex; gap: 10px; }
.sheet-buttons button { flex: 1; padding: 13px; border-radius: 12px; border: 0; font-weight: 600; }
.primary { background: var(--accent); color: var(--on-accent); }
.secondary { background: var(--column); }

/* ---------- Toast (little message at the bottom) ---------- */

.toast {
  position: fixed; left: 50%; bottom: calc(92px + env(safe-area-inset-bottom)); z-index: 60;
  transform: translateX(-50%);
  background: var(--text); color: var(--bg);
  padding: 10px 16px; border-radius: 12px; font-size: 0.9rem;
  max-width: calc(100% - 32px); box-shadow: var(--shadow);
}
.toast.bad { background: var(--overdue); color: #fff; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}