:root {
  color-scheme: light;
  --task-bg: var(--bg, #f4f7fb);
  --task-surface: var(--surface, #ffffff);
  --task-surface-2: var(--surface-2, #f7f9fc);
  --task-text: var(--text, #142033);
  --task-muted: var(--muted, #6b7689);
  --task-border: var(--border, rgba(20, 32, 51, .13));
  --task-primary: var(--primary, #123c69);
  --task-primary-soft: color-mix(in srgb, var(--task-primary) 10%, transparent);
  --task-success: var(--success, #19845a);
  --task-warning: #a86c00;
  --task-danger: #c44242;
  --task-rose: #b73762;
  --task-shadow: 0 14px 38px rgba(22, 36, 58, .09);
  --task-radius: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --task-bg: #0f1521;
    --task-surface: #171f2d;
    --task-surface-2: #1d2737;
    --task-text: #f3f6fb;
    --task-muted: #a5afbf;
    --task-border: rgba(255, 255, 255, .12);
    --task-primary: #7eb5e8;
    --task-primary-soft: rgba(126, 181, 232, .13);
    --task-shadow: 0 18px 44px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }
html { background: var(--task-bg); }
body {
  margin: 0;
  padding-top: 0;
  padding-bottom: 40px;
  background: var(--task-bg);
  color: var(--task-text);
  font-family: Inter, Montserrat, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, textarea, select { font: inherit; }
button, a, input, textarea, select { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--task-primary) 42%, transparent);
  outline-offset: 2px;
}
.is-hidden { display: none !important; }

.tasks-app { width: 100%; min-height: 480px; }
.tasks-shell { width: min(100%, 1480px); margin: 0 auto; padding: 20px 18px 50px; }
.tasks-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin-bottom: 18px;
}
.tasks-brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.tasks-brand__mark {
  display: grid; place-items: center; width: 40px; height: 40px; flex: 0 0 auto;
  border-radius: 13px; background: var(--task-primary); color: #fff; font-weight: 800;
}
.tasks-brand__title { margin: 0; font-size: 20px; line-height: 1.15; }
.tasks-brand__meta { margin-top: 3px; color: var(--task-muted); font-size: 12px; }
.tasks-topbar__status { color: var(--task-muted); font-size: 13px; text-align: right; }

.tasks-toolbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin: 0 0 16px;
}
.tasks-toolbar__left, .tasks-toolbar__right { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }

.tasks-btn {
  appearance: none; border: 1px solid var(--task-border); background: var(--task-surface);
  color: var(--task-text); border-radius: 12px; min-height: 40px; padding: 9px 13px;
  cursor: pointer; font-weight: 650; transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
.tasks-btn:hover { border-color: color-mix(in srgb, var(--task-primary) 45%, var(--task-border)); }
.tasks-btn:active { transform: translateY(1px); }
.tasks-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.tasks-btn--primary { background: var(--task-primary); border-color: var(--task-primary); color: #fff; }
.tasks-btn--danger { color: var(--task-danger); }
.tasks-btn--ghost { background: transparent; border-color: transparent; }
.tasks-btn--small { min-height: 32px; padding: 6px 9px; border-radius: 10px; font-size: 13px; }
.tasks-btn--icon { width: 36px; padding: 6px; }

.tasks-field {
  width: 100%; min-width: 0; border: 1px solid var(--task-border); border-radius: 12px;
  background: var(--task-surface); color: var(--task-text); padding: 10px 12px;
}
.tasks-field::placeholder { color: color-mix(in srgb, var(--task-muted) 75%, transparent); }
textarea.tasks-field { resize: vertical; min-height: 130px; line-height: 1.5; }
.tasks-label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.tasks-help { color: var(--task-muted); font-size: 12px; line-height: 1.45; }

.tasks-panel {
  background: var(--task-surface); border: 1px solid var(--task-border);
  border-radius: var(--task-radius); box-shadow: var(--task-shadow);
}
.tasks-inline-form {
  display: grid; grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto auto;
  gap: 9px; padding: 13px; margin-bottom: 14px;
}

.tasks-empty { padding: 42px 22px; text-align: center; }
.tasks-empty__title { margin: 0 0 8px; font-size: 20px; }
.tasks-empty__text { margin: 0 auto 18px; max-width: 600px; color: var(--task-muted); line-height: 1.55; }

.tasks-group { margin-bottom: 18px; overflow: hidden; }
.tasks-group__header {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 15px 16px; border-bottom: 1px solid var(--task-border);
}
.tasks-group__identity { min-width: 0; }
.tasks-group__name { font-weight: 800; font-size: 16px; overflow-wrap: anywhere; }
.tasks-group__sub { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.tasks-board-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(235px, 1fr)); gap: 10px; padding: 12px; }
.tasks-board-card {
  appearance: none; width: 100%; text-align: left; border: 1px solid var(--task-border);
  border-radius: 14px; background: var(--task-surface-2); color: var(--task-text);
  padding: 14px; cursor: pointer; min-height: 116px;
}
.tasks-board-card:hover { border-color: color-mix(in srgb, var(--task-primary) 50%, var(--task-border)); }
.tasks-board-card__title { font-weight: 800; line-height: 1.35; overflow-wrap: anywhere; }
.tasks-board-card__counts { margin-top: 13px; color: var(--task-muted); font-size: 13px; line-height: 1.5; }
.tasks-board-card__archive { margin-top: 8px; font-size: 12px; color: var(--task-warning); }
.tasks-archive { padding: 0 12px 12px; }
.tasks-archive summary { cursor: pointer; color: var(--task-muted); font-weight: 700; padding: 8px 2px; }

.tasks-badge {
  display: inline-flex; align-items: center; gap: 5px; border-radius: 999px;
  padding: 4px 8px; font-size: 11px; line-height: 1; font-weight: 800;
  border: 1px solid var(--task-border); background: var(--task-surface-2);
}
.tasks-badge--active { color: var(--task-success); }
.tasks-badge--paused { color: var(--task-warning); }
.tasks-badge--archived { color: var(--task-muted); }
.tasks-badge--edit { color: var(--task-warning); background: color-mix(in srgb, var(--task-warning) 10%, transparent); }
.tasks-badge--scope { color: var(--task-rose); background: color-mix(in srgb, var(--task-rose) 10%, transparent); }
.tasks-badge--danger { color: var(--task-danger); }

.tasks-edits { display: inline-flex; flex-direction: column; gap: 5px; min-width: 170px; }
.tasks-edits__line { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--task-muted); }
.tasks-progress { height: 8px; overflow: hidden; border-radius: 999px; background: color-mix(in srgb, var(--task-muted) 17%, transparent); }
.tasks-progress__bar { height: 100%; border-radius: inherit; background: var(--task-success); transition: width .2s ease; }
.tasks-edits--over .tasks-progress__bar { background: var(--task-danger); }
.tasks-edits--over .tasks-edits__line { color: var(--task-danger); font-weight: 750; }

.tasks-board-head {
  display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 13px;
  margin-bottom: 14px;
}
.tasks-board-head__main { min-width: 0; }
.tasks-board-head__crumb { color: var(--task-muted); font-size: 13px; margin-bottom: 5px; }
.tasks-board-head__title { margin: 0; font-size: 22px; overflow-wrap: anywhere; }
.tasks-board-head__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.tasks-board-switch { max-width: 260px; }
.tasks-readonly {
  margin: 0 0 14px; padding: 11px 13px; border: 1px solid color-mix(in srgb, var(--task-warning) 45%, var(--task-border));
  background: color-mix(in srgb, var(--task-warning) 8%, var(--task-surface)); border-radius: 12px;
  color: var(--task-warning); font-weight: 700;
}

.tasks-columns {
  display: flex; align-items: flex-start; gap: 12px; overflow-x: auto;
  padding: 2px 2px 18px; scroll-snap-type: x proximity;
}
.tasks-column {
  flex: 0 0 304px; width: 304px; max-width: 85vw; scroll-snap-align: start;
  border: 1px solid var(--task-border); border-radius: 16px; background: var(--task-surface-2);
  min-height: 220px; overflow: hidden;
}
.tasks-column--drop { border-color: var(--task-primary); box-shadow: 0 0 0 3px var(--task-primary-soft); }
.tasks-column__header {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 12px 12px 10px; background: var(--task-surface-2); border-bottom: 1px solid var(--task-border);
}
.tasks-column__title { display: flex; align-items: center; gap: 7px; min-width: 0; font-weight: 800; }
.tasks-column__title-text { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.tasks-column__count { color: var(--task-muted); font-size: 12px; }
.tasks-column__actions { display: flex; gap: 3px; }
.tasks-card-list { min-height: 40px; padding: 9px; }
.tasks-card {
  position: relative; margin-bottom: 8px; border: 1px solid var(--task-border); border-radius: 13px;
  background: var(--task-surface); box-shadow: 0 5px 15px rgba(20, 32, 51, .06);
  padding: 11px; cursor: pointer;
}
.tasks-card[draggable="true"] { cursor: grab; }
.tasks-card[draggable="true"]:active { cursor: grabbing; }
.tasks-card--dragging { opacity: .45; }
.tasks-card--drop-before::before {
  content: ""; position: absolute; top: -6px; left: 3px; right: 3px; height: 3px; border-radius: 999px; background: var(--task-primary);
}
.tasks-card--drop-after::after {
  content: ""; position: absolute; bottom: -6px; left: 3px; right: 3px; height: 3px; border-radius: 999px; background: var(--task-primary);
}
.tasks-card__title { margin: 0; font-size: 14px; line-height: 1.4; font-weight: 750; overflow-wrap: anywhere; }
.tasks-card__badges { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.tasks-card__meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px; margin-top: 9px; color: var(--task-muted); font-size: 12px; }
.tasks-card__due--over { color: var(--task-danger); font-weight: 800; }
.tasks-card__move { display: flex; align-items: center; gap: 5px; margin-top: 8px; }
.tasks-card__move select { min-width: 0; flex: 1; padding: 6px 8px; font-size: 12px; }
.tasks-create-card { padding: 0 9px 10px; }
.tasks-create-card .tasks-field { background: var(--task-surface); }
.tasks-add-column { flex: 0 0 270px; width: 270px; max-width: 80vw; padding: 10px; }

.tasks-loading { display: grid; place-items: center; min-height: 360px; color: var(--task-muted); }
.tasks-spinner { width: 32px; height: 32px; margin-bottom: 10px; border: 3px solid var(--task-border); border-top-color: var(--task-primary); border-radius: 50%; animation: tasks-spin .8s linear infinite; }
@keyframes tasks-spin { to { transform: rotate(360deg); } }

.tasks-modal-backdrop {
  position: fixed; inset: 0; z-index: 100000; display: grid; place-items: center;
  padding: 16px; background: rgba(7, 12, 20, .58); backdrop-filter: blur(4px);
}
.tasks-modal {
  width: min(720px, 100%); max-height: calc(100vh - 32px); overflow: auto;
  border-radius: 18px; background: var(--task-surface); color: var(--task-text);
  border: 1px solid var(--task-border); box-shadow: 0 28px 80px rgba(0, 0, 0, .3);
}
.tasks-modal--wide { width: min(900px, 100%); }
.tasks-modal__head {
  position: sticky; top: 0; z-index: 4; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--task-border); background: var(--task-surface);
}
.tasks-modal__title { margin: 0; font-size: 17px; }
.tasks-modal__body { padding: 16px; }
.tasks-modal__footer {
  position: sticky; bottom: 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 12px 16px; border-top: 1px solid var(--task-border); background: var(--task-surface);
}
.tasks-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tasks-form-row { margin-bottom: 14px; }
.tasks-switches { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.tasks-check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.tasks-check input { width: 18px; height: 18px; }
.tasks-save-state { color: var(--task-muted); font-size: 12px; }
.tasks-save-state--saving { color: var(--task-warning); }
.tasks-save-state--error { color: var(--task-danger); }

.tasks-checklist { display: flex; flex-direction: column; gap: 7px; }
.tasks-checklist__item { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px; }
.tasks-checklist__item input[type="text"] { padding: 8px 9px; }
.tasks-checklist__item--done input[type="text"] { color: var(--task-muted); text-decoration: line-through; }
.tasks-checklist__add { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-top: 8px; }
.tasks-section { padding-top: 13px; margin-top: 14px; border-top: 1px solid var(--task-border); }
.tasks-section__title { margin: 0 0 9px; font-size: 14px; }
.tasks-extension-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tasks-extension { color: var(--task-muted); }
.tasks-danger-zone { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.tasks-draft-callout, .tasks-conflict {
  margin-bottom: 13px; padding: 11px 12px; border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--task-warning) 40%, var(--task-border));
  background: color-mix(in srgb, var(--task-warning) 7%, var(--task-surface));
}
.tasks-conflict { border-color: color-mix(in srgb, var(--task-danger) 40%, var(--task-border)); background: color-mix(in srgb, var(--task-danger) 7%, var(--task-surface)); }
.tasks-callout-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }

.tasks-report-controls { display: grid; grid-template-columns: 1fr 1fr 1.2fr auto; gap: 9px; align-items: end; }
.tasks-report-output { min-height: 280px; margin-top: 14px; white-space: pre-wrap; }
.tasks-confirm-text { color: var(--task-muted); line-height: 1.55; }
.tasks-version { margin-top: 20px; text-align: center; color: var(--task-muted); font-size: 11px; }

@media (max-width: 720px) {
  .tasks-shell { padding-left: 11px; padding-right: 11px; }
  .tasks-topbar { align-items: flex-start; }
  .tasks-topbar__status { display: none; }
  .tasks-inline-form { grid-template-columns: 1fr; }
  .tasks-form-grid, .tasks-report-controls { grid-template-columns: 1fr; }
  .tasks-column { flex-basis: 85vw; width: 85vw; }
  .tasks-board-head__actions { width: 100%; }
  .tasks-board-switch { max-width: none; flex: 1; }
  .tasks-modal-backdrop { padding: 0; align-items: end; }
  .tasks-modal { width: 100%; max-height: 94vh; border-radius: 18px 18px 0 0; }
  .tasks-card__move { display: flex; }
}