:root {
  color-scheme: light;
  --ink: #1b1d2a;
  --muted: #6d7186;
  --canvas: #f6f7fb;
  --panel: #ffffff;
  --panel-subtle: #fbfbfe;
  --line: #e8eaf2;
  --accent: #6956e8;
  --accent-soft: #edeaff;
  --rose: #e76d77;
  --rose-soft: #fff0f1;
  --amber: #e6a23a;
  --amber-soft: #fff6e6;
  --blue: #4788e9;
  --blue-soft: #ebf3ff;
  --green: #36a878;
  --green-soft: #e8f8f0;
  --shadow: 0 16px 45px rgba(40, 43, 73, .08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f2f3fb;
  --muted: #a8adc3;
  --canvas: #171823;
  --panel: #222430;
  --panel-subtle: #1c1e29;
  --line: #343747;
  --accent: #9d90ff;
  --accent-soft: #302d4f;
  --rose: #ff96a0;
  --rose-soft: #4a2b35;
  --amber: #f4bd62;
  --amber-soft: #4a3a24;
  --blue: #82b5ff;
  --blue-soft: #283b59;
  --green: #64d4a4;
  --green-soft: #25483b;
  --shadow: 0 18px 50px rgba(0, 0, 0, .26);
}

* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; color: var(--ink); background: var(--canvas); font-family: "DM Sans", Inter, ui-sans-serif, system-ui, sans-serif; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
:where(button, input, textarea, select, [tabindex]):focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.app-shell { max-width: 1700px; margin: 0 auto; padding: 28px 40px 48px; }
header, .header-actions, .board-tools, .progress-top, .column-heading, .column-label, .card-top, .card-footer, .subtask, .modal-header, .modal-actions { display: flex; align-items: center; }
header, .column-heading, .card-top, .card-footer, .modal-header { justify-content: space-between; }
header { gap: 24px; margin-bottom: 26px; }
.brand { display: flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 700; letter-spacing: -.04em; }
.brand-mark { display: grid; grid-template-columns: repeat(2, 7px); gap: 3px; padding: 7px; border-radius: 9px; background: var(--accent); box-shadow: 0 5px 12px rgba(105, 86, 232, .28); }
.brand-mark i { width: 7px; height: 7px; border-radius: 2px; background: #fff; }
.header-actions { gap: 10px; }
.header-button { padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); background: var(--panel); font-size: 12px; font-weight: 700; }.header-button:hover { border-color: var(--accent); background: var(--accent-soft); }.header-button.primary { border-color: var(--accent); color: #fff; background: var(--accent); }
.header-button:disabled, .save:disabled { cursor: default; opacity: .4; }.header-button:disabled:hover { border-color: var(--line); background: var(--panel); }
.date-chip { color: var(--muted); font-size: 13px; font-weight: 600; }
.today, .cancel, .icon-button { border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--panel); font-size: 13px; font-weight: 650; transition: border-color .18s, transform .18s, background .18s; }
.today { padding: 9px 13px; }
.today:hover, .cancel:hover, .icon-button:hover { border-color: var(--accent); background: var(--accent-soft); }
.icon-button { display: grid; width: 36px; height: 36px; padding: 0; place-items: center; font-size: 17px; }
.icon-button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.trash-drop, .trash-drop:hover { border-color: var(--line); color: var(--muted); background: var(--panel); transform: none; }.is-dragging-task .trash-drop, .is-dragging-task .trash-drop:hover { border-color: var(--rose); color: var(--rose); background: var(--rose-soft); }.trash-drop.is-trash-target, .trash-drop.is-trash-target:hover { color: #fff; border-color: var(--rose); background: var(--rose); transform: scale(1.08); }
.settings-wrap { position: relative; }
.settings-panel { position: absolute; z-index: 5; top: calc(100% + 9px); right: 0; width: 210px; padding: 14px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); box-shadow: var(--shadow); }
.settings-panel[hidden] { display: none; }
.settings-label { display: block; margin-bottom: 9px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.theme-toggle { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 0; border: 0; color: var(--ink); background: transparent; font-size: 13px; font-weight: 650; }.theme-toggle + .theme-toggle { margin-top: 10px; }
.toggle-track { display: flex; align-items: center; width: 36px; height: 21px; padding: 3px; border-radius: 99px; background: #c4c8d9; transition: background .2s; }
.toggle-thumb { width: 15px; height: 15px; border-radius: 50%; background: white; box-shadow: 0 1px 3px rgba(0, 0, 0, .24); transition: transform .2s; }
.theme-toggle[aria-checked="true"] .toggle-track { background: var(--accent); }
.theme-toggle[aria-checked="true"] .toggle-thumb { transform: translateX(15px); }
.settings-divider { height: 1px; margin: 13px 0 9px; background: var(--line); }
.settings-actions { display: grid; gap: 6px; }
.settings-action { width: 100%; padding: 8px 9px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); background: var(--panel-subtle); font-size: 12px; font-weight: 700; text-align: left; }
.settings-action:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.settings-status { min-height: 16px; margin: 8px 0 0; color: var(--muted); font-size: 11px; line-height: 1.4; }
.settings-status[data-type="success"] { color: var(--green); }.settings-status[data-type="error"] { color: var(--rose); }
.reset-demo { width: 100%; padding: 7px 0 0; border: 0; color: var(--rose); background: transparent; font-size: 12px; font-weight: 700; text-align: left; }
.reset-demo:hover { color: var(--ink); }
.eyebrow { margin: 0 0 10px; color: var(--accent) !important; font-size: 11px !important; font-weight: 700; letter-spacing: .13em; }
.board-tools { justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.progress-card { flex: 0 0 340px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 15px; background: var(--panel); box-shadow: 0 4px 16px rgba(40, 43, 73, .035); }
.progress-top { margin-bottom: 10px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.progress-top strong { color: var(--accent); font-size: 12px; }
.progress-rail { height: 7px; overflow: hidden; border-radius: 99px; background: var(--line); }
.progress-fill { width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .3s ease; }
.quick-add { display: flex; flex: 0 1 560px; gap: 8px; min-width: 0; margin: 0; padding: 8px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); box-shadow: 0 4px 16px rgba(40, 43, 73, .035); }.quick-add input { flex: 1; min-width: 0; border: 0 !important; background: transparent !important; box-shadow: none !important; }.quick-add button { padding: 9px 14px; border: 0; border-radius: 9px; color: #fff; background: var(--accent); font-size: 12px; font-weight: 700; }
.expiry-notice { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 0 0 16px; padding: 12px 14px; border: 1px solid var(--amber); border-radius: 11px; color: var(--ink); background: var(--amber-soft); font-size: 12px; }.expiry-notice[hidden] { display: none; }.expiry-notice span { display: flex; gap: 7px; }.expiry-notice button, .bulk-actions button, .history-detail-header button { padding: 6px 8px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: var(--panel); font-size: 11px; font-weight: 700; }
.storage-notice { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 0 0 16px; padding: 12px 14px; border: 1px solid var(--rose); border-radius: 11px; color: var(--ink); background: var(--rose-soft); font-size: 12px; }.storage-notice[hidden] { display: none; }.storage-notice button { padding: 6px 8px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: var(--panel); font-size: 11px; font-weight: 700; }
.board { display: grid; grid-template-columns: repeat(4, minmax(245px, 1fr)); gap: 16px; align-items: start; overflow-x: auto; padding-bottom: 8px; }
.column { min-width: 245px; min-height: 490px; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel-subtle); transition: border-color .15s, background .15s; }
.column.is-drag-target { border-color: var(--accent); background: var(--accent-soft); }
.column-heading { padding: 3px 3px 15px; }
.column-label { gap: 9px; font-size: 13px; font-weight: 700; }
.dot { width: 9px; height: 9px; border-radius: 50%; }
.count { display: grid; min-width: 23px; height: 23px; padding: 0 7px; border-radius: 99px; place-items: center; color: var(--muted); background: var(--line); font-size: 11px; font-weight: 700; }
.todo .dot { background: var(--rose); }.doing .dot { background: var(--amber); }.waiting .dot { background: var(--blue); }.done .dot { background: var(--green); }
.task-list { display: grid; min-width: 0; min-height: 72px; gap: 10px; }
.task-list.is-drag-over { outline: 2px dashed var(--accent); outline-offset: 4px; border-radius: 10px; }
.task-card { position: relative; min-width: 0; max-width: 100%; padding: 15px; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); box-shadow: 0 2px 6px rgba(40, 43, 73, .025); transition: transform .18s, box-shadow .18s, border-color .18s; }
.task-card[draggable="true"] { cursor: grab; }.task-card[draggable="true"]:active { cursor: grabbing; }
.task-card:hover { transform: translateY(-2px); border-color: #ccd0e1; box-shadow: var(--shadow); }
.task-card.is-dragging { opacity: .35; }.task-card.is-drop-before { box-shadow: 0 -3px 0 var(--accent), var(--shadow); }.task-card.is-done { opacity: .68; }
.card-top { min-width: 0; gap: 9px; margin-bottom: 10px; }.task-meta, .task-tags, .selected-tags { display: flex; min-width: 0; flex-wrap: wrap; align-items: center; gap: 5px; }.tag, .priority { max-width: 100%; border-radius: 99px; padding: 4px 8px; overflow-wrap: anywhere; font-size: 10px; font-weight: 700; }
.carry-badge { display: inline-block; margin: 0 0 7px; color: var(--blue); font-size: 10px; font-weight: 700; }
.tag { color: var(--accent); background: var(--accent-soft); }.priority.low { color: var(--green); background: var(--green-soft); }.priority.medium { color: var(--amber); background: var(--amber-soft); }.priority.high { color: var(--rose); background: var(--rose-soft); }
.more, .move, .close, .remove-sub { border: 0; background: transparent; }.more { padding: 0; color: var(--muted); font-size: 17px; letter-spacing: 1px; }.more:hover { color: var(--ink); }
.task-title { margin: 0 0 8px; overflow-wrap: anywhere; font-size: 15px; font-weight: 700; letter-spacing: -.025em; line-height: 1.3; }.task-title[data-inline-title], .subtask-text[data-inline-subtask] { cursor: text; }.inline-edit { width: 100%; min-width: 0; padding: 5px 7px !important; font-weight: inherit; }.inline-edit.is-invalid { border-color: var(--rose) !important; box-shadow: 0 0 0 3px var(--rose-soft) !important; }.is-done .task-title, .completed .subtask-text { text-decoration: line-through; }
.task-note, .subtask-summary { color: var(--muted); }.task-note { margin: 0 0 14px; overflow-wrap: anywhere; font-size: 12px; line-height: 1.5; }
.subtasks { display: grid; min-width: 0; gap: 7px; margin: 0 0 12px; padding: 0; list-style: none; }.subtask { min-width: 0; gap: 8px; color: var(--ink); font-size: 12px; }.subtask-text { min-width: 0; flex: 1; overflow-wrap: anywhere; }.subtask input[type="checkbox"] { width: 14px; height: 14px; margin: 0; accent-color: var(--accent); }.completed .subtask-text { color: var(--muted); }
.card-footer { gap: 8px; }.subtask-summary { font-size: 11px; font-weight: 600; }.card-actions { display: flex; flex-shrink: 0; gap: 2px; }.move { display: grid; flex-shrink: 0; place-items: center; width: 28px; height: 28px; padding: 0; border-radius: 8px; color: var(--accent); background: transparent; font-size: 15px; font-weight: 700; line-height: 1; transition: background .15s; }.move:hover { background: var(--accent-soft); }.move:disabled { color: var(--muted); cursor: default; opacity: .35; }.move:disabled:hover { background: transparent; }
.add-task { width: 100%; margin-top: 10px; padding: 10px; border: 1px dashed #cdd1df; border-radius: 10px; color: var(--muted); background: transparent; font-size: 12px; font-weight: 700; transition: .18s; }.add-task:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
dialog { width: min(500px, calc(100% - 30px)); padding: 0; border: 0; border-radius: 18px; color: var(--ink); background: var(--panel); box-shadow: 0 30px 80px rgba(0, 0, 0, .3); }dialog::backdrop { background: rgba(18, 19, 29, .48); backdrop-filter: blur(3px); }.modal { padding: 26px; }.modal-header { margin-bottom: 20px; }.modal h2 { margin: 0; font-size: 22px; letter-spacing: -.04em; }.close { color: var(--muted); font-size: 24px; }label { display: block; margin: 14px 0 6px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .03em; }label span { font-weight: 400; }input[type="text"], textarea, select { width: 100%; padding: 10px 11px; border: 1px solid var(--line); border-radius: 9px; outline: 0; color: var(--ink); background: var(--panel-subtle); }input[type="text"]:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }textarea { min-height: 70px; resize: vertical; }.modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }.subtask-editor, .tag-editor { display: grid; gap: 7px; padding: 9px; border: 1px solid var(--line); border-radius: 9px; }.subtask-input-row { display: flex; gap: 7px; }.subtask-input-row input { flex: 1; }.add-subtask { padding: 7px 10px; border: 0; border-radius: 8px; color: var(--accent); background: var(--accent-soft); font-size: 12px; font-weight: 700; }.tag-suggestions { display: flex; flex-wrap: wrap; gap: 5px; }.tag-suggestions button, .selected-tags button { padding: 5px 8px; border: 1px solid var(--line); border-radius: 99px; color: var(--accent); background: var(--panel-subtle); font-size: 10px; font-weight: 700; }.tag-suggestions button:hover, .tag-suggestions button:focus-visible { border-color: var(--accent); background: var(--accent-soft); }.selected-tags button { color: var(--ink); background: var(--accent-soft); }.field-error { min-height: 14px; margin: 0; color: var(--rose); font-size: 10px; }.pending-subtasks { display: grid; gap: 4px; }.pending-item { display: flex; align-items: center; justify-content: space-between; gap: 7px; padding: 3px 2px; color: var(--ink); font-size: 12px; }.pending-actions { display: flex; align-items: center; gap: 3px; }.reorder-sub { padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; color: var(--accent); background: var(--panel-subtle); font-size: 10px; font-weight: 700; }.reorder-sub:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-soft); }.reorder-sub:disabled { cursor: default; opacity: .35; }.remove-sub { color: var(--rose); font-weight: 700; }.modal-actions { justify-content: flex-end; gap: 8px; margin-top: 22px; }.modal-actions-spacer { flex: 1; }.delete-task { padding: 10px 0; border: 0; color: var(--rose); background: transparent; font-size: 13px; font-weight: 700; }.delete-task:hover { color: var(--ink); }.save { padding: 10px 15px; border: 1px solid var(--accent); border-radius: 9px; color: #fff; background: var(--accent); font-size: 13px; font-weight: 700; }.empty { padding: 25px 9px; border: 1px dashed var(--line); border-radius: 10px; color: var(--muted); font-size: 12px; text-align: center; }
.confirm-modal .dialog-intro { margin: -6px 0 4px; }#confirmOk.danger { border-color: var(--rose); background: var(--rose); }
.welcome-modal .eyebrow { margin-bottom: 8px; }.welcome-modal .dialog-intro { margin: 10px 0 20px; line-height: 1.55; }.welcome-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }.welcome-choice { display: grid; gap: 5px; padding: 14px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: var(--panel-subtle); text-align: left; transition: border-color .18s, transform .18s, background .18s; }.welcome-choice:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }.welcome-choice.primary { border-color: var(--accent); }.welcome-choice strong { font-size: 13px; }.welcome-choice span { color: var(--muted); font-size: 11px; line-height: 1.4; }
.wide-dialog { width: min(720px, calc(100% - 30px)); }.rollover-modal { max-height: min(82vh, 760px); overflow: auto; }.dialog-intro { margin: -8px 0 16px; color: var(--muted); font-size: 13px; }.bulk-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }.rollover-tasks { display: grid; gap: 7px; }.rollover-task { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-subtle); }.rollover-task div { display: grid; gap: 3px; }.rollover-task strong { font-size: 13px; }.rollover-task div span { color: var(--muted); font-size: 11px; }.rollover-task label { min-width: 165px; margin: 0; }.rollover-task select { padding: 7px 8px; font-size: 11px; }.rollover-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; }.rollover-footer > strong { color: var(--muted); font-size: 11px; }.rollover-footer > span { display: flex; gap: 8px; }
.history-dialog { width: min(940px, calc(100% - 30px)); }.history-modal { min-height: min(650px, 82vh); }.history-layout { display: grid; grid-template-columns: 180px 1fr; gap: 18px; }.history-dates { display: grid; align-content: start; gap: 6px; }.history-date { display: grid; gap: 3px; padding: 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); background: var(--panel-subtle); text-align: left; }.history-date.active { border-color: var(--accent); background: var(--accent-soft); }.history-date strong { font-size: 12px; }.history-date span { color: var(--muted); font-size: 10px; }.history-detail { min-width: 0; }.history-detail-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }.history-detail-header h3 { margin: 0; font-size: 17px; }.history-detail-header span { display: flex; gap: 6px; }.history-tasks { display: grid; gap: 8px; max-height: 500px; overflow: auto; }.history-task { padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-subtle); }.history-task-top, .history-task-top > span, .history-task-actions { display: flex; align-items: center; gap: 7px; }.history-task-top { justify-content: space-between; }.history-task-actions button { padding: 5px 7px; border: 1px solid var(--line); border-radius: 6px; color: var(--accent); background: var(--panel); font-size: 10px; font-weight: 700; }.history-task-actions button.danger { color: var(--rose); }.history-task-actions button:disabled { color: var(--muted); cursor: default; opacity: .6; }.history-task h3 { margin: 8px 0 4px; font-size: 13px; }.history-task p { margin: 0; color: var(--muted); font-size: 11px; }.history-outcome { color: var(--blue); font-size: 10px; font-weight: 700; }
@media (max-width: 1120px) { .board { grid-template-columns: repeat(4, minmax(260px, 1fr)); } }
@media (max-width: 860px) { .app-shell { padding: 22px 18px 34px; } header { align-items: flex-start; margin-bottom: 22px; } .header-actions { flex-wrap: wrap; justify-content: flex-end; } .board-tools { align-items: stretch; flex-direction: column; } .quick-add { flex-basis: auto; width: 100%; max-width: none; } .progress-card { flex-basis: auto; width: 100%; } .date-chip { display: none; } .history-layout { grid-template-columns: 1fr; }.history-dates { display: flex; overflow-x: auto; }.history-date { min-width: 120px; } }
@media (max-width: 560px) { .header-button { padding: 7px 8px; }.expiry-notice, .rollover-task, .rollover-footer, .history-detail-header, .history-task-top { align-items: stretch; flex-direction: column; }.rollover-task label { width: 100%; }.history-detail-header span, .history-task-actions { flex-wrap: wrap; }.modal-row, .welcome-actions { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }