/* Desk — one stylesheet for the board, sign-in, invite and consent pages.
   Warm paper in light, warm ink in dark; one accent, used sparingly. */

:root {
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --surface-2: #f9f6ef;
  --ink: #1e1c18;
  --muted: #6e685e;
  --faint: #9c958a;
  --line: #e3ddd1;
  --accent: #b4532b;
  --accent-ink: #ffffff;
  --danger: #b3261e;
  --ok: #3a7449;
  --shadow: 0 1px 2px rgba(40, 30, 10, .06), 0 2px 8px rgba(40, 30, 10, .05);
  --shadow-lift: 0 6px 24px rgba(40, 30, 10, .16);
  --c-today: #b4532b;
  --c-doing: #b7800e;
  --c-week: #3c67a8;
  --c-later: #8a8478;
  --c-waiting: #7456a3;
  --c-inbox: #5e5a52;
  --c-done: #3a7449;
  --radius: 12px;
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15130f; --surface: #1e1b16; --surface-2: #24211b; --ink: #eee8dc;
    --muted: #a69e90; --faint: #7b7468; --line: #34302a; --accent: #e07a4a;
    --accent-ink: #1a0f08; --danger: #f07a70; --ok: #7dc08e;
    --shadow: 0 1px 2px rgba(0,0,0,.4); --shadow-lift: 0 8px 28px rgba(0,0,0,.55);
    --c-today: #e07a4a; --c-doing: #e0ad3c; --c-week: #7ba3e0; --c-later: #9c958a;
    --c-waiting: #b29ae0; --c-inbox: #a69e90; --c-done: #7dc08e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 15px/1.45 var(--sans); -webkit-font-smoothing: antialiased; }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: var(--ink); }
code { font-size: .9em; }
.muted { color: var(--muted); }

/* ---------- sign-in / invite / consent ---------- */
body.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card {
  width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--line);
  border-radius: 18px; padding: 32px 28px; box-shadow: var(--shadow);
}
.auth-card h1 { font: 600 28px/1.2 var(--serif); margin: 4px 0 12px; letter-spacing: -.01em; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12px; color: var(--accent); margin: 0; font-weight: 600; }
.auth-card form { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.auth-card label { display: block; font-size: 13px; color: var(--muted); margin: 18px 0 6px; }
.auth-card input[type=text] {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface-2);
}
.primary {
  background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 10px;
  padding: 12px 20px; font-weight: 600;
}
.primary.wide { width: 100%; margin-top: 22px; padding: 14px; font-size: 16px; }
.ghost { background: transparent; border: 1px solid var(--line); border-radius: 10px; padding: 12px 18px; }
.status { min-height: 1.4em; margin-top: 14px; font-size: 14px; color: var(--muted); }
.status.err { color: var(--danger); }

/* ---------- board shell ---------- */
.top {
  position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 14px 16px 0; border-bottom: 1px solid var(--line);
}
.top-row { display: flex; align-items: baseline; gap: 10px; white-space: nowrap; min-width: 0; }
.date { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.brand { font: 600 24px/1 var(--serif); letter-spacing: -.01em; margin: 0; }
.date { color: var(--muted); font-size: 14px; }
.top-row .spacer { flex: 1; }
.icon-btn { background: none; border: 0; color: var(--muted); padding: 6px 4px; border-radius: 8px; font-size: 14px; white-space: nowrap; flex: none; }
.icon-btn:hover { color: var(--ink); background: var(--surface-2); }

.tabs { display: flex; gap: 6px; overflow-x: auto; padding: 12px 0 10px; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: none; display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line);
  background: var(--surface); border-radius: 999px; padding: 6px 12px; font-size: 14px; white-space: nowrap;
}
.tab .n { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 13px; }
.tab[aria-selected=true] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.tab[aria-selected=true] .n { color: color-mix(in srgb, var(--bg) 70%, transparent); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c); flex: none; }

.cols { padding: 14px 16px 110px; }
.col { display: none; }
.col.active { display: block; }
.col-head { display: none; }
.cards { display: flex; flex-direction: column; gap: 10px; min-height: 40px; }
.empty { color: var(--faint); font-size: 14px; padding: 28px 8px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px 12px 17px; box-shadow: var(--shadow); position: relative; cursor: pointer;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--c, var(--line));
}
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.card .text {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card.done .text { color: var(--muted); text-decoration: line-through; text-decoration-color: var(--faint); }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  font-size: 12px; line-height: 1; padding: 5px 8px; border-radius: 999px; background: var(--surface-2);
  border: 1px solid var(--line); color: var(--muted); white-space: nowrap; max-width: 100%;
  overflow: hidden; text-overflow: ellipsis;
}
.chip.hi { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); font-weight: 600; }
.chip.late { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); font-weight: 600; }
.chip.warn { color: var(--c-doing); }
.quick { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.quick button {
  border: 1px solid var(--line); background: var(--surface-2); border-radius: 8px; padding: 6px 10px;
  font-size: 13px;
}
.quick button:hover { border-color: var(--muted); }
.quick .done-btn { color: var(--ok); }
.card.dragging { opacity: .4; }
.drop-marker { height: 3px; background: var(--accent); border-radius: 2px; margin: -6px 0; }

/* ---------- floating add ---------- */
.fab {
  position: fixed; right: 20px; bottom: calc(22px + env(safe-area-inset-bottom)); z-index: 6;
  width: 56px; height: 56px; border-radius: 50%; border: 0; background: var(--accent); color: var(--accent-ink);
  font-size: 30px; line-height: 1; box-shadow: var(--shadow-lift);
}

/* ---------- sheet ---------- */
.scrim { position: fixed; inset: 0; background: rgba(20, 15, 8, .38); z-index: 20; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 21; background: var(--surface);
  border-radius: 18px 18px 0 0; max-height: 88vh; overflow-y: auto;
  padding: 10px 18px calc(22px + env(safe-area-inset-bottom)); box-shadow: var(--shadow-lift);
}
.sheet .grab { width: 40px; height: 4px; border-radius: 2px; background: var(--line); margin: 0 auto 14px; }
.sheet h2 { font: 600 20px/1.3 var(--serif); margin: 0 0 6px; }
.sheet h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 22px 0 8px; font-weight: 600; }
.sheet .full { white-space: pre-wrap; font-size: 16px; margin: 0; }
.sheet textarea, .sheet input[type=text], .sheet input[type=date], .sheet select {
  width: 100%; border: 1px solid var(--line); background: var(--surface-2); border-radius: 10px; padding: 10px 12px;
}
.sheet textarea { min-height: 96px; resize: vertical; }
.move-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.move-grid button {
  border: 1px solid var(--line); background: var(--surface-2); border-radius: 10px; padding: 10px 6px;
  display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 14px;
}
.move-grid button[aria-current=true] { border-color: var(--ink); font-weight: 600; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1 1 140px; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.sheet-head .chip { display: inline-flex; align-items: center; gap: 6px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px; }
.actions button { flex: 1; min-width: 96px; }
.btn { border: 1px solid var(--line); background: var(--surface-2); border-radius: 10px; padding: 11px 12px; }
.btn.ok { color: var(--ok); font-weight: 600; }
.btn.danger { color: var(--danger); }
.evidence { border-left: 2px solid var(--line); padding: 2px 0 2px 12px; margin: 0 0 12px; }
.evidence q { font-style: italic; }
.evidence .src { font-size: 12px; color: var(--muted); margin-top: 4px; }
.hist { font-size: 13px; color: var(--muted); margin: 0; padding-left: 18px; }
.field { margin-top: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.seg { display: flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg button { flex: 1; border: 0; background: var(--surface-2); padding: 9px; font-size: 14px; }
.seg button[aria-pressed=true] { background: var(--ink); color: var(--bg); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%); top: calc(14px + env(safe-area-inset-top));
  z-index: 30; background: var(--ink); color: var(--bg); border-radius: 12px; padding: 10px 14px;
  display: flex; gap: 14px; align-items: center; box-shadow: var(--shadow-lift); font-size: 14px;
  max-width: calc(100vw - 32px);
}
.toast button { background: none; border: 0; color: var(--accent); font-weight: 700; padding: 0; }
.toast.err { background: var(--danger); color: #fff; }

/* ---------- desktop: a real board ---------- */
@media (min-width: 960px) {
  .tabs { display: none; }
  .top { padding-bottom: 12px; }
  .cols {
    display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 1fr); gap: 16px;
    overflow-x: auto; align-items: start; padding: 18px 20px 40px; min-height: calc(100vh - 70px);
  }
  .col { display: block; background: color-mix(in srgb, var(--surface-2) 70%, transparent); border: 1px solid var(--line); border-radius: 14px; padding: 10px; }
  .col-head { display: flex; align-items: center; gap: 8px; padding: 4px 4px 10px; font-weight: 600; }
  .col[data-col=inbox] { order: -1; }
  .col-head .n { color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; }
  .col.over { outline: 2px dashed var(--accent); outline-offset: -2px; }
  .cards { min-height: 120px; }
  .sheet { left: auto; right: 24px; bottom: 24px; top: 24px; width: 460px; border-radius: 18px; max-height: none; }
  .sheet .grab { display: none; }
  .fab { right: 32px; bottom: 32px; }
}