/* ===========================================================================
   TaskLane — a planning board built around a day spine.
   Palette is cool slate with four status signals; the only warm note in the
   page is "running", so live work is the thing your eye finds first.
   ========================================================================= */

:root {
  --ink:        #0C1015;
  --slab:       #141A22;
  --raise:      #1A2230;
  --raise-2:    #212B3A;
  --edge:       #27323F;
  --edge-soft:  #1F2833;
  --text:       #E4E9EF;
  --text-2:     #97A3B4;
  --text-3:     #6A7788;

  --new:        #7C6CF0;
  --pending:    #5C93D6;
  --running:    #F0A831;
  --done:       #34C39A;
  --hold:       #EF6A85;
  --critical:   #FF5C7A;

  --shadow-1: 0 1px 2px rgb(0 0 0 / .35);
  --shadow-2: 0 10px 30px -12px rgb(0 0 0 / .65);

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;

  --display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --gutter: clamp(14px, 3vw, 34px);
  --spine-x: 26px;
}

html[data-theme='light'] {
  --ink:        #EDEFF2;
  --slab:       #FFFFFF;
  --raise:      #FFFFFF;
  --raise-2:    #F4F6F9;
  --edge:       #D9DFE7;
  --edge-soft:  #E6EAEF;
  --text:       #1A2230;
  --text-2:     #59677A;
  --text-3:     #8593A5;
  --new:        #5B49D8;
  --pending:    #2F6FB8;
  --running:    #BE7908;
  --done:       #128063;
  --hold:       #CF3C5C;
  --shadow-1: 0 1px 2px rgb(20 30 45 / .08);
  --shadow-2: 0 14px 34px -18px rgb(20 30 45 / .35);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 82% -8%, color-mix(in srgb, var(--new) 11%, transparent), transparent 62%),
    var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--raise); padding: 8px 14px; border-radius: var(--r-sm);
}
.skip:focus { left: 12px; }

/* ------------------------------------------------------------------ topbar */

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 12px var(--gutter);
  background: color-mix(in srgb, var(--ink) 86%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--edge-soft);
}

.topbar__brand { display: flex; align-items: center; gap: 10px; }
.topbar__brand h1 {
  font-family: var(--display);
  font-size: 19px; font-weight: 800; letter-spacing: -.03em; margin: 0;
}

.mark { display: grid; gap: 3px; width: 18px; }
.mark i { height: 3px; border-radius: 2px; display: block; }
.mark i:nth-child(1) { background: var(--new); width: 100%; }
.mark i:nth-child(2) { background: var(--running); width: 100%; }
.mark i:nth-child(3) { background: var(--done); width: 62%; }

.topbar__date { display: flex; align-items: baseline; gap: 8px; }
.stamp {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .02em;
  padding: 3px 8px; border: 1px solid var(--edge); border-radius: var(--r-sm);
  background: var(--slab);
}
.stamp--muted { border: none; background: none; color: var(--text-3); padding: 0; }

.topbar__search input {
  width: 100%; max-width: 420px;
  background: var(--slab); border: 1px solid var(--edge);
  border-radius: 999px; padding: 8px 15px; outline: none;
}
.topbar__search input:focus { border-color: var(--new); box-shadow: 0 0 0 3px color-mix(in srgb, var(--new) 22%, transparent); }

.topbar__actions { display: flex; gap: 8px; align-items: center; }

/* ------------------------------------------------------------------ buttons */

.btn {
  border: 1px solid var(--edge); background: var(--slab);
  border-radius: var(--r-sm); padding: 7px 13px; cursor: pointer;
  font-size: 13.5px; font-weight: 500;
  transition: background .14s ease, border-color .14s ease, transform .08s ease;
}
.btn:hover { background: var(--raise-2); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--new); outline-offset: 2px; }
.btn--ghost { background: transparent; }
.btn--primary { background: var(--new); border-color: var(--new); color: #fff; }
.btn--primary:hover { background: color-mix(in srgb, var(--new) 84%, #fff); }
.btn--danger { border-color: color-mix(in srgb, var(--hold) 55%, var(--edge)); color: var(--hold); background: transparent; }
.btn--danger:hover { background: color-mix(in srgb, var(--hold) 14%, transparent); }
.btn.icon { padding: 7px 10px; }

.linkish {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--text-2); font-size: 12.5px; border-bottom: 1px dashed var(--edge);
}
.linkish:hover { color: var(--text); border-bottom-color: var(--text-2); }

kbd {
  font-family: var(--mono); font-size: 11px; padding: 1px 5px;
  border: 1px solid var(--edge); border-bottom-width: 2px; border-radius: 4px; background: var(--slab);
}

/* -------------------------------------------------------------------- tally */

.tally {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding: 12px var(--gutter) 0;
}
.tally__chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--text-2); background: var(--slab);
  border: 1px solid var(--edge-soft); border-radius: 999px; padding: 4px 11px;
}
.tally__chip b { color: var(--text); font-weight: 600; }
.tally__dot { width: 7px; height: 7px; border-radius: 50%; }

/* ------------------------------------------------------------------ section */

.board { padding: 14px var(--gutter) 90px; display: grid; gap: 18px; max-width: 1560px; margin: 0 auto; }

.section {
  background: var(--slab);
  border: 1px solid var(--edge-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.section__head {
  width: 100%; display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center; gap: 14px;
  padding: 15px 18px; background: none; border: none; cursor: pointer; text-align: left;
}
.section__head:hover { background: color-mix(in srgb, var(--raise) 55%, transparent); }
.section__index {
  font-family: var(--mono); font-size: 11px; color: var(--text-3);
  border: 1px solid var(--edge); border-radius: 4px; padding: 2px 6px;
}
.section__title { font-family: var(--display); font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.section__sub { color: var(--text-3); font-size: 12.5px; }
.section__sub b { color: var(--text-2); font-weight: 600; }

.chev {
  width: 8px; height: 8px; border-right: 2px solid var(--text-3); border-bottom: 2px solid var(--text-3);
  transform: rotate(45deg); transition: transform .2s ease; margin-right: 2px;
}
.section.is-closed .chev { transform: rotate(-45deg); }
.section.is-closed .section__body { display: none; }

.section__body { padding: 0 18px 18px; }

.pill {
  font-family: var(--mono); font-size: 11.5px; min-width: 26px; text-align: center;
  padding: 2px 8px; border-radius: 999px; border: 1px solid transparent;
}
.pill--new  { color: var(--new);     background: color-mix(in srgb, var(--new) 15%, transparent);     border-color: color-mix(in srgb, var(--new) 35%, transparent); }
.pill--run  { color: var(--pending); background: color-mix(in srgb, var(--pending) 15%, transparent); border-color: color-mix(in srgb, var(--pending) 35%, transparent); }
.pill--hold { color: var(--hold);    background: color-mix(in srgb, var(--hold) 15%, transparent);    border-color: color-mix(in srgb, var(--hold) 35%, transparent); }

/* ----------------------------------------------------------------- quickadd */

.quickadd { margin-bottom: 12px; }
.quickadd input {
  width: 100%; background: var(--ink); border: 1px dashed var(--edge);
  border-radius: var(--r-md); padding: 11px 14px; outline: none;
}
.quickadd input:focus { border-style: solid; border-color: var(--new); }

/* -------------------------------------------------------------------- lanes */

.lane { display: grid; gap: 8px; min-height: 54px; border-radius: var(--r-md); }
.lane--grid { grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); align-items: start; }
.lane.is-over { outline: 2px dashed color-mix(in srgb, var(--new) 60%, transparent); outline-offset: 4px; }

.lane__empty {
  grid-column: 1 / -1;
  color: var(--text-3); font-size: 13px; padding: 16px; text-align: center;
  border: 1px dashed var(--edge-soft); border-radius: var(--r-md);
}

/* --------------------------------------------------------------------- card */

.card {
  position: relative;
  background: var(--raise);
  border: 1px solid var(--edge-soft);
  border-left: 3px solid var(--pending);
  border-radius: var(--r-md);
  padding: 10px 12px 10px 13px;
  cursor: grab;
  box-shadow: var(--shadow-1);
  transition: border-color .14s ease, transform .1s ease, box-shadow .14s ease;
}
.card:hover { border-color: var(--edge); transform: translateY(-1px); box-shadow: var(--shadow-2); }
.card:active { cursor: grabbing; }
.card.is-dragging { opacity: .38; }
.card[data-status='new']     { border-left-color: var(--new); }
.card[data-status='pending'] { border-left-color: var(--pending); }
.card[data-status='running'] { border-left-color: var(--running); }
.card[data-status='done']    { border-left-color: var(--done); }
.card[data-status='hold']    { border-left-color: var(--hold); }
.card[data-status='done'] .card__title { color: var(--text-3); text-decoration: line-through; }

.card__top { display: flex; align-items: flex-start; gap: 9px; }
.card__check {
  flex: none; width: 17px; height: 17px; margin-top: 2px;
  border: 1.5px solid var(--edge); border-radius: 5px; background: transparent; cursor: pointer;
  display: grid; place-items: center; color: transparent; font-size: 11px; line-height: 1;
}
.card__check:hover { border-color: var(--done); color: var(--text-3); }
.card[data-status='done'] .card__check { background: var(--done); border-color: var(--done); color: #06110D; }
.card__title { font-size: 14px; font-weight: 500; word-break: break-word; }
.card__notes { color: var(--text-3); font-size: 12.5px; margin-top: 3px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.card__meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 8px; }

.badge {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 4px; border: 1px solid var(--edge); color: var(--text-2);
}
.badge--new     { color: var(--new);     border-color: color-mix(in srgb, var(--new) 40%, transparent); }
.badge--pending { color: var(--pending); border-color: color-mix(in srgb, var(--pending) 40%, transparent); }
.badge--running { color: var(--running); border-color: color-mix(in srgb, var(--running) 45%, transparent); background: color-mix(in srgb, var(--running) 12%, transparent); }
.badge--done    { color: var(--done);    border-color: color-mix(in srgb, var(--done) 40%, transparent); }
.badge--hold    { color: var(--hold);    border-color: color-mix(in srgb, var(--hold) 40%, transparent); }
.badge--carry   { color: var(--text-3); border-style: dashed; text-transform: none; letter-spacing: 0; }
.badge--tag     { color: var(--text-3); border-radius: 999px; text-transform: none; letter-spacing: 0; }
.badge--prio-high     { color: var(--running); border-color: color-mix(in srgb, var(--running) 40%, transparent); }
.badge--prio-critical { color: var(--critical); border-color: color-mix(in srgb, var(--critical) 50%, transparent); background: color-mix(in srgb, var(--critical) 12%, transparent); }

.card__tools { position: absolute; top: 7px; right: 7px; display: flex; gap: 3px; opacity: 0; transition: opacity .12s; }
.card:hover .card__tools, .card:focus-within .card__tools { opacity: 1; }
.card__tool {
  border: 1px solid var(--edge); background: var(--slab); color: var(--text-2);
  border-radius: 5px; width: 24px; height: 22px; font-size: 12px; cursor: pointer; line-height: 1;
}
.card__tool:hover { color: var(--text); background: var(--raise-2); }

/* -------------------------------------------------- the spine (signature) */

.spinebar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 2px 0 12px; flex-wrap: wrap;
}
.spinebar__mid { display: flex; gap: 14px; }

.spine { position: relative; padding-left: var(--spine-x); }
.spine::before {
  content: ''; position: absolute; left: 7px; top: 12px; bottom: 12px; width: 2px;
  background: linear-gradient(to bottom,
    transparent, var(--edge) 8%, var(--edge) 92%, transparent);
}

.day { position: relative; margin-bottom: 6px; }
.day::before {
  content: ''; position: absolute; left: calc(-1 * var(--spine-x) + 3px); top: 15px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink); border: 2px solid var(--edge);
}
.day.is-today::before { background: var(--running); border-color: var(--running); box-shadow: 0 0 0 4px color-mix(in srgb, var(--running) 20%, transparent); }
.day.has-work::before { border-color: var(--pending); }
.day.all-done::before { background: var(--done); border-color: var(--done); }

.day__head {
  width: 100%; display: grid; grid-template-columns: 74px 1fr auto auto; align-items: center; gap: 12px;
  padding: 9px 12px; background: transparent; border: 1px solid transparent; border-radius: var(--r-md);
  cursor: pointer; text-align: left;
}
.day__head:hover { background: var(--raise); border-color: var(--edge-soft); }
.day__date { font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.day__label { font-family: var(--display); font-size: 14.5px; font-weight: 600; letter-spacing: -.01em; }
.day__label small { font-family: var(--body); font-weight: 400; color: var(--text-3); font-size: 12px; margin-left: 7px; letter-spacing: 0; }

.bars { display: flex; gap: 2px; height: 5px; width: 84px; }
.bars span { display: block; border-radius: 2px; min-width: 3px; }
.bars .b-pending { background: var(--pending); }
.bars .b-running { background: var(--running); }
.bars .b-done    { background: var(--done); }
.bars .b-empty   { background: var(--edge-soft); flex: 1; }

.day__n { font-family: var(--mono); font-size: 11.5px; color: var(--text-3); min-width: 22px; text-align: right; }

.day.is-weekend .day__label { color: var(--text-2); }
.day.is-past .day__date { color: color-mix(in srgb, var(--hold) 70%, var(--text-3)); }

.day__body { padding: 4px 0 12px 12px; }
.day.is-closed .day__body { display: none; }

/* today breaks out of the rhythm — the one loud moment on the page */
.day.is-today {
  background: linear-gradient(180deg, color-mix(in srgb, var(--running) 7%, var(--raise)), var(--raise));
  border: 1px solid color-mix(in srgb, var(--running) 32%, var(--edge));
  border-radius: var(--r-md);
  margin: 12px 0 16px -10px;
  padding: 4px 10px 4px 10px;
  box-shadow: var(--shadow-2);
}
.day.is-today::before { left: calc(-1 * var(--spine-x) + 13px); top: 22px; }
.day.is-today .day__head { padding: 13px 4px; }
.day.is-today .day__label { font-size: 20px; font-weight: 800; letter-spacing: -.03em; }
.day.is-today .day__date { color: var(--running); font-weight: 600; }
.day.is-today .day__head:hover { background: transparent; border-color: transparent; }

.day__actions { display: flex; gap: 8px; padding: 0 0 8px 0; }

.daylane { display: grid; gap: 7px; min-height: 44px; border-radius: var(--r-md); padding: 2px; }
.daylane.is-over { outline: 2px dashed color-mix(in srgb, var(--running) 65%, transparent); outline-offset: 3px; background: color-mix(in srgb, var(--running) 6%, transparent); }
.day.is-closed.is-over .day__head { background: color-mix(in srgb, var(--running) 12%, transparent); border-color: var(--running); }

.drop-line { height: 2px; background: var(--new); border-radius: 2px; margin: 1px 0; }

/* ------------------------------------------------------------------ sheets */

.scrim { position: fixed; inset: 0; background: rgb(4 7 11 / .62); backdrop-filter: blur(3px); z-index: 50; }

.sheet {
  position: fixed; z-index: 60; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(680px, calc(100vw - 28px)); max-height: min(88vh, 900px); overflow: auto;
  background: var(--slab); border: 1px solid var(--edge); border-radius: var(--r-lg);
  box-shadow: 0 40px 90px -30px rgb(0 0 0 / .8);
  animation: pop .16s ease-out;
}
.sheet--wide { width: min(940px, calc(100vw - 28px)); }
@keyframes pop { from { opacity: 0; transform: translate(-50%, -48%) scale(.985); } }

.sheet__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid var(--edge-soft); position: sticky; top: 0; background: var(--slab); z-index: 2;
}
.sheet__head h2 { margin: 0; font-family: var(--display); font-size: 18px; font-weight: 700; letter-spacing: -.02em; }

.tabs { display: flex; gap: 4px; padding: 12px 18px 0; border-bottom: 1px solid var(--edge-soft); }
.tab {
  background: none; border: none; border-bottom: 2px solid transparent;
  padding: 8px 12px; cursor: pointer; color: var(--text-3); font-size: 13.5px;
}
.tab:hover { color: var(--text-2); }
.tab.is-active { color: var(--text); border-bottom-color: var(--new); }
.tab__n { font-family: var(--mono); font-size: 11px; color: var(--text-3); }

.tabpane { display: none; padding: 16px 18px 18px; }
.tabpane.is-active { display: block; }
.pane-note { color: var(--text-2); font-size: 13px; margin: 0 0 12px; }

.field { display: grid; gap: 5px; margin-bottom: 12px; }
.field > span { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.field input, .field select, .field textarea {
  background: var(--ink); border: 1px solid var(--edge); border-radius: var(--r-sm);
  padding: 9px 11px; outline: none; width: 100%; resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--new); box-shadow: 0 0 0 3px color-mix(in srgb, var(--new) 20%, transparent);
}
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }

.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); }
.check--row { align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--edge-soft); }
.check--row span { display: grid; }
.check--row small { color: var(--text-3); font-size: 12px; }
.check input { width: 15px; height: 15px; accent-color: var(--new); }

.sheet__foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--edge-soft);
}
.hint { color: var(--text-3); font-size: 12px; }

/* ------------------------------------------------------------------ picker */

.picker { display: grid; gap: 6px; max-height: 46vh; overflow: auto; padding-right: 4px; }
.pick {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px;
  padding: 9px 11px; border: 1px solid var(--edge-soft); border-radius: var(--r-sm);
  background: var(--raise); cursor: pointer;
}
.pick:hover { border-color: var(--edge); }
.pick.is-picked { border-color: var(--new); background: color-mix(in srgb, var(--new) 10%, var(--raise)); }
.pick__title { font-size: 13.5px; }
.pick__from { font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.pick input { accent-color: var(--new); width: 15px; height: 15px; }

/* ----------------------------------------------------------------- history */

.history { display: grid; gap: 4px; max-height: 56vh; overflow: auto; margin-top: 6px; }
.hist-day { font-family: var(--mono); font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; margin-top: 12px; }
.hist-row {
  display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center;
  padding: 8px 11px; border: 1px solid var(--edge-soft); border-radius: var(--r-sm); background: var(--raise);
}
.hist-row button { background: none; border: none; color: var(--text-2); cursor: pointer; font-size: 12px; text-decoration: underline dotted; }

.trail { margin-top: 6px; border-top: 1px solid var(--edge-soft); padding-top: 10px; }
.trail__row { display: flex; gap: 10px; font-family: var(--mono); font-size: 11.5px; color: var(--text-3); padding: 2px 0; }

/* ------------------------------------------------------------------ toasts */

.toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 80; display: grid; gap: 8px; }
.toast {
  background: var(--raise-2); border: 1px solid var(--edge); border-left: 3px solid var(--done);
  border-radius: var(--r-sm); padding: 9px 14px; font-size: 13px; box-shadow: var(--shadow-2);
  animation: rise .18s ease-out;
}
.toast--error { border-left-color: var(--hold); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

/* -------------------------------------------------------------------- foot */

.foot {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 8px var(--gutter); font-size: 12px; color: var(--text-3);
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  border-top: 1px solid var(--edge-soft); backdrop-filter: blur(10px);
}
.foot a { color: var(--text-2); }
.foot__right { display: flex; gap: 8px; align-items: center; }

/* ------------------------------------------------------------------ mobile */

@media (max-width: 860px) {
  .topbar { grid-template-columns: 1fr auto; row-gap: 10px; }
  .topbar__search { grid-column: 1 / -1; order: 3; }
  .topbar__actions { order: 2; }
  .topbar__date { display: none; }
  .section__sub { display: none; }
  .section__head { grid-template-columns: auto 1fr auto auto; gap: 10px; }
  .day__head { grid-template-columns: 62px 1fr auto; }
  .bars { display: none; }
  .foot { position: static; }
  .board { padding-bottom: 24px; }
  .lane--grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}