/* ==========================================================================
   Tokens
   ========================================================================== */
:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f4f5f7;
  --surface-3: #eceef2;
  --sidebar: #fbfbfc;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --grid: #eef0f3;
  --text: #101828;
  --text-2: #475467;
  --muted: #667085;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef2ff;
  --accent-text: #ffffff;
  --danger: #c4320a;
  --danger-soft: #fef3f2;
  --critical: #d03b3b;
  --warning: #b54708;
  --warning-soft: #fffaeb;
  --good: #067647;
  --good-soft: #ecfdf3;
  /* Chart / status identity colors (validated categorical slots 1-3) */
  --s-todo: #2a78d6;
  --s-done: #1baf7a;
  --seq: #2a78d6;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-lg: 0 20px 48px -12px rgba(16, 24, 40, 0.22), 0 4px 12px rgba(16, 24, 40, 0.06);
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --sidebar-w: 252px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0e1014;
    --surface: #171a1f;
    --surface-2: #1d2026;
    --surface-3: #252930;
    --sidebar: #121418;
    --border: #262a31;
    --border-strong: #353a43;
    --grid: #22262c;
    --text: #eceef1;
    --text-2: #b8bec8;
    --muted: #8a919c;
    --accent: #818cf8;
    --accent-hover: #a5b4fc;
    --accent-soft: #23254a;
    --accent-text: #0e1014;
    --danger: #f97066;
    --danger-soft: #35181a;
    --critical: #f07070;
    --warning: #fdb022;
    --warning-soft: #33260f;
    --good: #47cd89;
    --good-soft: #0f2a1c;
    --s-todo: #3987e5;
    --s-done: #199e70;
    --seq: #3987e5;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 56px -12px rgba(0, 0, 0, 0.6);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1014;
  --surface: #171a1f;
  --surface-2: #1d2026;
  --surface-3: #252930;
  --sidebar: #121418;
  --border: #262a31;
  --border-strong: #353a43;
  --grid: #22262c;
  --text: #eceef1;
  --text-2: #b8bec8;
  --muted: #8a919c;
  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-soft: #23254a;
  --accent-text: #0e1014;
  --danger: #f97066;
  --danger-soft: #35181a;
  --critical: #f07070;
  --warning: #fdb022;
  --warning-soft: #33260f;
  --good: #47cd89;
  --good-soft: #0f2a1c;
  --s-todo: #3987e5;
  --s-done: #199e70;
  --seq: #3987e5;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 24px 56px -12px rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   Base
   ========================================================================== */
* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 13.5px/1.5 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; }
button { font: inherit; color: inherit; }
code { font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }
kbd {
  font: 500 11px/1 Inter, system-ui, sans-serif; color: var(--muted);
  border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px;
  padding: 2px 5px; background: var(--surface);
}
.i { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.spacer { flex: 1; }
.muted { color: var(--muted); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ==========================================================================
   Controls
   ========================================================================== */
.btn, .icon-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 34px; padding: 0 12px; border-radius: var(--radius);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  font-weight: 500; cursor: pointer; white-space: nowrap; box-shadow: var(--shadow-sm);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.btn:hover, .icon-btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.primary kbd { background: transparent; color: inherit; opacity: 0.75; border-color: currentColor; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.ghost, .icon-btn.ghost { border-color: transparent; background: transparent; box-shadow: none; color: var(--text-2); }
.btn.ghost:hover, .icon-btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.small { height: 28px; padding: 0 10px; font-size: 12.5px; }
.icon-btn { width: 34px; padding: 0; }
.icon-btn.spinning .i { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.input, .select {
  height: 34px; padding: 0 10px; border-radius: var(--radius);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  font: inherit; box-shadow: var(--shadow-sm); min-width: 0;
}
textarea.input { height: auto; padding: 8px 10px; resize: vertical; line-height: 1.55; }
.select { padding-right: 28px; appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
.select.small { height: 28px; font-size: 12.5px; }
.input:focus, .select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }

.switch { display: inline-flex; align-items: center; gap: 8px; color: var(--text-2); cursor: pointer; user-select: none; font-weight: 500; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch .track { width: 30px; height: 18px; border-radius: 999px; background: var(--border-strong); position: relative; transition: background 0.15s; }
.switch .track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-sm); transition: transform 0.15s; }
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(12px); }
.switch input:focus-visible + .track { outline: 2px solid var(--accent); outline-offset: 2px; }

.checkbox { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; margin: 0; flex: none; }

.segmented { display: inline-flex; padding: 2px; border-radius: var(--radius); background: var(--surface-3); gap: 2px; }
.segmented button { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border: 0; border-radius: 6px; background: transparent; color: var(--text-2); font-weight: 500; cursor: pointer; }
.segmented button.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow-md); }

/* ==========================================================================
   App shell
   ========================================================================== */
.app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }

.sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 12px; background: var(--sidebar); border-right: 1px solid var(--border);
}
.sb-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 12px; }
.logo { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--accent); color: var(--accent-text); box-shadow: var(--shadow-md); }
.logo .i { width: 18px; height: 18px; stroke-width: 2.6; }
.sb-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.sb-brand-text strong { font-size: 14.5px; }
.sb-brand-text span { font-size: 12px; color: var(--muted); }

.sb-search {
  display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 8px 0 10px; margin-bottom: 8px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--muted); cursor: pointer; text-align: left;
}
.sb-search span { flex: 1; }
.sb-search:hover { border-color: var(--border-strong); color: var(--text-2); }

.sb-nav { display: flex; flex-direction: column; gap: 1px; }
.sb-link {
  display: flex; align-items: center; gap: 10px; width: 100%; height: 32px; padding: 0 10px;
  border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text-2);
  font-weight: 500; text-decoration: none; cursor: pointer; text-align: left;
}
.sb-link:hover { background: var(--surface-3); color: var(--text); }
.sb-link.active { background: var(--accent-soft); color: var(--accent); }
.sb-link .label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-link .count { font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.sb-link.active .count { color: var(--accent); }
.sb-link .count.alert { color: var(--critical); font-weight: 600; }
.sb-section { display: flex; align-items: center; justify-content: space-between; padding: 16px 10px 6px; font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.sb-empty { padding: 4px 10px; color: var(--muted); font-size: 12.5px; }
.sb-footer { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }

.sync { display: flex; align-items: center; gap: 8px; padding: 6px 10px; font-size: 12px; color: var(--muted); }
.sync::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.sync.ok::before { background: var(--good); box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 20%, transparent); }
.sync.saving::before { background: var(--warning); animation: pulse 1s ease-in-out infinite; }
.sync.error { color: var(--critical); }
.sync.error::before { background: var(--critical); }
@keyframes pulse { 50% { opacity: 0.35; } }

.scrim { display: none; }
.content { display: flex; flex-direction: column; min-width: 0; }

.header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 12px; padding: 14px 28px;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.menu-btn { display: none; }
.title-block { min-width: 0; }
.crumbs { font-size: 12px; color: var(--muted); font-weight: 500; }
.header h1 { font-size: 20px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.banner { display: flex; align-items: center; gap: 10px; margin: 16px 28px 0; padding: 10px 14px; border-radius: var(--radius); border: 1px solid; font-size: 13px; }
.banner > span { flex: 1 1 240px; }
.banner.info { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 25%, transparent); color: var(--text); }
.banner.info > .i { color: var(--accent); }
.banner.error { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 30%, transparent); color: var(--text); }
.banner.error > .i { color: var(--danger); }

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 16px 28px 0; }
.search-field { position: relative; display: flex; align-items: center; }
.search-field .i { position: absolute; left: 10px; color: var(--muted); pointer-events: none; }
.search-field kbd { position: absolute; right: 8px; pointer-events: none; }
.search-field input {
  height: 34px; width: 260px; padding: 0 30px 0 32px; border-radius: var(--radius);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font: inherit; box-shadow: var(--shadow-sm);
}
.search-field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.search-field input:focus + kbd, .search-field input:not(:placeholder-shown) + kbd { display: none; }
.result-count { color: var(--muted); font-size: 12.5px; font-variant-numeric: tabular-nums; }

.bulkbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 12px 28px 0; padding: 8px 10px 8px 14px;
  border-radius: var(--radius); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
#bulkCount { font-weight: 600; color: var(--accent); margin-right: 6px; }

.main { padding: 16px 28px 48px; min-width: 0; }

/* ==========================================================================
   Board
   ========================================================================== */
.board { display: grid; grid-template-columns: repeat(2, minmax(220px, 1fr)); gap: 16px; align-items: start; }
.column { display: flex; flex-direction: column; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); min-height: 240px; }
.column-head { display: flex; align-items: center; gap: 8px; padding: 12px 12px 10px 14px; }
.column-head h2 { font-size: 13px; font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--dot); }
.dot.todo { --dot: var(--s-todo); }
.dot.done { --dot: var(--s-done); }
.column-head .count { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.column-head .icon-btn { margin-left: auto; width: 26px; height: 26px; }
.column-body { display: flex; flex-direction: column; gap: 8px; padding: 0 10px 10px; flex: 1; border-radius: 0 0 var(--radius-lg) var(--radius-lg); transition: background 0.15s; }
.column-body.drop-target { background: color-mix(in srgb, var(--accent) 10%, transparent); box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--accent) 40%, transparent); }
.column-empty { display: grid; place-items: center; min-height: 80px; border: 1px dashed var(--border-strong); border-radius: var(--radius); color: var(--muted); font-size: 12.5px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 12px; box-shadow: var(--shadow-sm); cursor: pointer; transition: border-color 0.12s, box-shadow 0.12s;
}
.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.card.dragging { opacity: 0.45; }
.card.drop-before { box-shadow: 0 -3px 0 0 var(--accent); }
.column-body.drop-end > .quick-add, .column-body.drop-end > .quick-input { box-shadow: 0 -3px 0 0 var(--accent); }
.card-top { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 6px; min-height: 20px; margin-bottom: 4px; }
.card-row { display: flex; gap: 8px; align-items: flex-start; }
.card-row .checkbox { margin-top: 2px; }
.card-title { margin: 0; font-size: 13.5px; font-weight: 550; line-height: 1.4; overflow-wrap: anywhere; }
.card.is-done .card-title { color: var(--muted); text-decoration: line-through; }
.card-desc { margin: 4px 0 0 24px; color: var(--muted); font-size: 12.5px; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; margin: 10px 0 0 24px; }
.card-foot .updated { margin-left: auto; font-size: 11.5px; color: var(--muted); white-space: nowrap; }

.quick-add { display: flex; align-items: center; gap: 6px; width: 100%; height: 34px; padding: 0 10px; border: 0; border-radius: var(--radius); background: transparent; color: var(--muted); cursor: pointer; font-weight: 500; }
.quick-add:hover { background: var(--surface-3); color: var(--text); }
.quick-input { width: 100%; }

/* ==========================================================================
   Pills & tags
   ========================================================================== */
.tag { display: inline-flex; align-items: center; gap: 4px; max-width: 160px; height: 22px; padding: 0 8px; border-radius: 6px; background: var(--surface-3); color: var(--text-2); font-size: 11.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag .i { width: 12px; height: 12px; }
.tag.label { background: var(--accent-soft); color: var(--accent); }
.attach { display: inline-flex; align-items: center; gap: 3px; font-size: 12px; color: var(--muted); }
.attach .i { width: 13px; height: 13px; }
.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.checklist:empty { display: none; }
.checklist li { display: flex; align-items: center; gap: 8px; }
.checklist label { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; overflow-wrap: anywhere; cursor: pointer; }
.checklist li.done span { text-decoration: line-through; color: var(--muted); }
.check-add { display: flex; gap: 8px; }
.check-add .input { flex: 1; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 9px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); font-size: 12px; font-weight: 500; white-space: nowrap; }
.prio { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.prio .i { width: 13px; height: 13px; }
.prio.high { color: var(--critical); }
.prio.medium { color: var(--warning); }
.prio.low { color: var(--muted); }
.due { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--text-2); white-space: nowrap; }
.due .i { width: 13px; height: 13px; }
.due.today { color: var(--warning); font-weight: 600; }
.due.overdue { color: var(--critical); font-weight: 600; }

/* ==========================================================================
   Table
   ========================================================================== */
.table-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow-x: auto; }
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.data-table th, .data-table td { padding: 0 14px; height: 44px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table th { height: 38px; background: var(--surface-2); font-size: 11.5px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; position: sticky; top: 0; }
.data-table th:first-child { border-top-left-radius: var(--radius-lg); }
.data-table th:last-child { border-top-right-radius: var(--radius-lg); }
.data-table th.sel, .data-table td.sel { width: 44px; padding-right: 0; }
.sort-btn { display: inline-flex; align-items: center; gap: 4px; padding: 0; border: 0; background: none; color: inherit; font: inherit; letter-spacing: inherit; text-transform: inherit; cursor: pointer; }
.sort-btn:hover { color: var(--text); }
.sort-btn .i { width: 12px; height: 12px; opacity: 0.5; }
.sort-btn.active { color: var(--text); }
.sort-btn.active .i { opacity: 1; }
.data-table tbody tr { cursor: pointer; }
.data-table tbody tr:hover td { background: var(--surface-2); }
.data-table tbody tr.selected td { background: color-mix(in srgb, var(--accent) 7%, var(--surface)); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table td.title-cell { white-space: normal; min-width: 280px; max-width: 520px; }
.title-cell strong { display: block; font-weight: 550; overflow-wrap: anywhere; }
.title-cell small { display: block; color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 480px; }
tr.is-done .title-cell strong { color: var(--muted); text-decoration: line-through; }
td.num, .muted-cell { color: var(--muted); font-size: 12.5px; font-variant-numeric: tabular-nums; }

/* ==========================================================================
   Empty / skeleton
   ========================================================================== */
.link-list { list-style: none; margin: -12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.link-list:empty { display: none; }
.link-list a { display: flex; align-items: center; gap: 6px; color: var(--accent); font-size: 12.5px; overflow-wrap: anywhere; }
.history h3 { font-size: 12.5px; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.history ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 12.5px; }
.history li { color: var(--text-2); overflow-wrap: anywhere; }
.history time { display: block; font-size: 11.5px; color: var(--muted); }
.sb-saved { display: flex; align-items: center; }
.sb-saved .sb-link { flex: 1; min-width: 0; }
.sb-saved .remove { display: grid; place-items: center; width: 26px; height: 26px; flex: none; border: 0; border-radius: 6px; background: none; color: var(--muted); cursor: pointer; }
.sb-saved .remove:hover { background: var(--surface-3); color: var(--text); }
.sb-saved .remove .i { width: 13px; height: 13px; }

/* Calendar */
.cal-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.cal-head h2 { font-size: 15px; font-weight: 600; min-width: 150px; }
.cal-head .note { margin-left: auto; color: var(--muted); font-size: 12.5px; }
.cal { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.cal-dow { padding: 8px; background: var(--surface-2); font-size: 11.5px; font-weight: 600; color: var(--muted); text-align: center; }
.cal-day { min-height: 112px; padding: 6px; background: var(--surface); display: flex; flex-direction: column; gap: 3px; cursor: pointer; min-width: 0; }
.cal-day:hover { background: var(--surface-2); }
.cal-day.other { background: var(--surface-2); }
.cal-day.other .cal-num { color: var(--muted); }
.cal-num { font-size: 12px; font-weight: 600; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; }
.cal-day.today .cal-num { background: var(--accent); color: var(--accent-text); }
.cal-task { display: flex; align-items: center; gap: 5px; padding: 2px 5px; border: 0; border-radius: 4px; background: var(--surface-3); color: var(--text); font-size: 11.5px; text-align: left; cursor: pointer; min-width: 0; }
.cal-task span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cal-task.is-done span:last-child { text-decoration: line-through; color: var(--muted); }
.cal-task.overdue { color: var(--critical); font-weight: 600; }
.cal-more { border: 0; background: none; padding: 0 5px; color: var(--muted); font-size: 11.5px; text-align: left; cursor: pointer; }

.empty-state { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; padding: 64px 24px; background: var(--surface); border: 1px dashed var(--border-strong); border-radius: var(--radius-lg); }
.empty-state .empty-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); margin-bottom: 4px; }
.empty-state .empty-icon .i { width: 22px; height: 22px; }
.empty-state h3 { font-size: 15px; }
.empty-state p { margin: 0 0 8px; color: var(--muted); max-width: 360px; }
.skeleton { border-radius: var(--radius); background: linear-gradient(90deg, var(--surface-3) 25%, var(--surface-2) 50%, var(--surface-3) 75%); background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ==========================================================================
   Dashboard
   ========================================================================== */
.dash { display: grid; gap: 16px; grid-template-columns: repeat(12, minmax(0, 1fr)); }
.dash-intro { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.dash-intro h2 { font-size: 15px; font-weight: 600; }
.dash-intro span { color: var(--muted); }
.kpi {
  grid-column: span 3; display: flex; flex-direction: column; gap: 6px; padding: 16px 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  text-align: left; cursor: pointer; transition: border-color 0.12s, box-shadow 0.12s;
}
.kpi:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.kpi-label { display: flex; align-items: center; gap: 8px; color: var(--text-2); font-weight: 500; }
.kpi-label .i { color: var(--muted); }
.kpi-value { font-size: 30px; font-weight: 650; letter-spacing: -0.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpi-sub { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.kpi-sub.critical { color: var(--critical); font-weight: 500; }
.kpi-sub.good { color: var(--good); font-weight: 500; }
.kpi-sub .i { width: 13px; height: 13px; }

.panel { grid-column: span 6; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); min-width: 0; }
.panel.wide { grid-column: span 8; }
.panel.narrow { grid-column: span 4; }
.panel-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 18px 0; }
.panel-head h3 { font-size: 14px; font-weight: 600; }
.panel-head .sub { color: var(--muted); font-size: 12.5px; }
.panel-head .spacer + .btn { margin-right: -6px; }
.panel-body { padding: 14px 18px 18px; flex: 1; }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw { width: 10px; height: 10px; border-radius: 3px; background: var(--dot); }

/* Vertical bars: completions per day */
.vchart { display: grid; grid-template-columns: auto 1fr; grid-template-rows: 180px auto; column-gap: 8px; }
.vchart-y { grid-row: 1; display: flex; flex-direction: column; justify-content: space-between; font-size: 11px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; transform: translateY(-6px); height: calc(100% + 12px); }
.vchart-plot { grid-row: 1; position: relative; display: flex; align-items: flex-end; gap: 6px; border-bottom: 1px solid var(--border-strong); }
.vchart-plot .gridline { position: absolute; left: 0; right: 0; border-top: 1px solid var(--grid); pointer-events: none; }
.vcol { position: relative; flex: 1; height: 100%; display: flex; align-items: flex-end; justify-content: center; cursor: default; border-radius: 4px 4px 0 0; }
.vcol:hover, .vcol:focus-visible { background: color-mix(in srgb, var(--seq) 7%, transparent); outline: none; }
.vbar { width: min(100%, 26px); background: var(--seq); border-radius: 4px 4px 0 0; min-height: 0; }
.vval { position: absolute; font-size: 11px; font-weight: 600; color: var(--text-2); font-variant-numeric: tabular-nums; }
.vchart-x { grid-column: 2; display: flex; gap: 6px; padding-top: 6px; font-size: 11px; color: var(--muted); }
.vchart-x span { flex: 1; text-align: center; white-space: nowrap; }

/* Horizontal bars: workload & priority */
.hbars { display: flex; flex-direction: column; gap: 10px; }
.hrow { display: grid; grid-template-columns: minmax(90px, 150px) 1fr 36px; align-items: center; gap: 12px; }
.hrow-label { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.hrow-label button { all: unset; cursor: pointer; }
.hrow-label button:hover { color: var(--accent); text-decoration: underline; }
.hrow-track { display: flex; gap: 2px; height: 14px; }
.hseg { height: 100%; background: var(--dot); min-width: 3px; cursor: default; }
.hseg:first-child { border-radius: 4px 0 0 4px; }
.hseg:last-child { border-radius: 0 4px 4px 0; }
.hseg:only-child { border-radius: 4px; }
.hseg.todo { --dot: var(--s-todo); }
.hseg.done { --dot: var(--s-done); }
.hseg.seq { --dot: var(--seq); border-radius: 0 4px 4px 0; }
.hseg:hover { filter: brightness(1.1); }
.hrow-total { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }

.task-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.task-list li { display: flex; align-items: center; gap: 10px; padding: 9px 6px; border-bottom: 1px solid var(--border); cursor: pointer; border-radius: 6px; }
.task-list li:last-child { border-bottom: 0; }
.task-list li:hover { background: var(--surface-2); }
.task-list .tl-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.task-list .tl-meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
.panel-empty { color: var(--muted); padding: 24px 0; text-align: center; }

.tooltip {
  position: fixed; z-index: 100; pointer-events: none; opacity: 0; transition: opacity 0.1s;
  padding: 6px 10px; border-radius: 6px; background: var(--text); color: var(--bg);
  font-size: 12px; font-weight: 500; white-space: nowrap; box-shadow: var(--shadow-lg);
}
.tooltip.show { opacity: 1; }

/* ==========================================================================
   Drawer & dialogs
   ========================================================================== */
dialog { color: var(--text); }
dialog::backdrop { background: rgba(8, 10, 14, 0.45); backdrop-filter: blur(1px); }

.drawer {
  margin: 0 0 0 auto; height: 100vh; max-height: 100vh; width: min(520px, 100vw); max-width: 100vw;
  padding: 0; border: 0; border-left: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-lg);
}
.drawer[open] { animation: slide-in 0.2s cubic-bezier(0.2, 0.8, 0.2, 1); }
@keyframes slide-in { from { transform: translateX(32px); opacity: 0; } }
.drawer form { display: flex; flex-direction: column; height: 100%; }
.drawer-head { display: flex; align-items: center; gap: 4px; padding: 12px 14px 12px 22px; border-bottom: 1px solid var(--border); }
.drawer-label { font-size: 12.5px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.drawer-body { flex: 1; overflow-y: auto; padding: 20px 22px; display: flex; flex-direction: column; gap: 20px; }
.title-input { width: 100%; border: 0; padding: 4px 0; background: transparent; color: var(--text); font: 600 20px/1.35 Inter, system-ui, sans-serif; letter-spacing: -0.01em; }
.title-input:focus { outline: none; }
.title-input::placeholder { color: var(--muted); }
.props { display: grid; grid-template-columns: 1fr; gap: 6px; }
.prop { display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 12px; }
.prop-label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 500; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-weight: 500; color: var(--text-2); }
.meta { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; margin: 0; padding-top: 16px; border-top: 1px solid var(--border); font-size: 12.5px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; color: var(--text-2); overflow-wrap: anywhere; }
.drawer-foot { display: flex; align-items: center; gap: 8px; padding: 12px 22px; border-top: 1px solid var(--border); background: var(--surface-2); }
.hint { font-size: 12px; color: var(--muted); }

.modal { width: min(500px, calc(100vw - 32px)); padding: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-lg); }
.modal form { display: flex; flex-direction: column; gap: 14px; padding: 20px 22px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin: -4px -8px 0 0; }
.modal-head h2 { font-size: 16px; font-weight: 600; }
.modal p { margin: 0; }
.modal-foot { display: flex; gap: 8px; align-items: center; padding-top: 6px; }
.settings-status { font-size: 12.5px; min-height: 18px; }
.settings-status.ok { color: var(--good); }
.settings-status.error { color: var(--critical); }

.palette { width: min(600px, calc(100vw - 32px)); margin: 12vh auto auto; padding: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-lg); overflow: hidden; }
.palette-input { display: flex; align-items: center; gap: 10px; padding: 0 16px; border-bottom: 1px solid var(--border); }
.palette-input .i { color: var(--muted); width: 18px; height: 18px; }
.palette-input input { flex: 1; height: 52px; border: 0; background: transparent; color: var(--text); font: 15px Inter, system-ui, sans-serif; }
.palette-input input:focus { outline: none; }
.palette-list { list-style: none; margin: 0; padding: 6px; max-height: 380px; overflow-y: auto; }
.palette-group { padding: 8px 10px 4px; font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.palette-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); cursor: pointer; }
.palette-item .i { color: var(--muted); }
.palette-item .pi-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.palette-item .pi-hint { font-size: 12px; color: var(--muted); }
.palette-item.active { background: var(--accent-soft); color: var(--accent); }
.palette-item.active .i { color: var(--accent); }
.palette-empty { padding: 24px; text-align: center; color: var(--muted); }

/* ==========================================================================
   Toasts
   ========================================================================== */
.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.toast {
  display: flex; align-items: center; gap: 12px; min-width: 260px; max-width: min(440px, calc(100vw - 40px));
  padding: 10px 10px 10px 14px; border-radius: var(--radius); background: var(--text); color: var(--bg);
  box-shadow: var(--shadow-lg); font-weight: 500; animation: toast-in 0.18s ease-out;
}
.toast span { flex: 1; }
.toast.error { background: var(--critical); color: #fff; }
.toast button { border: 0; background: transparent; color: inherit; font-weight: 600; cursor: pointer; padding: 4px 8px; border-radius: 6px; text-decoration: underline; }
.toast button:hover { background: rgba(255, 255, 255, 0.12); }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1180px) {
  .kpi { grid-column: span 6; }
  .panel, .panel.wide, .panel.narrow { grid-column: span 12; }
}
@media (max-width: 760px) {
  .board { grid-template-columns: 1fr; }
  .column { min-height: 0; }
}
/* Tablets get the full width for the board, with the sidebar on demand. */
@media (max-width: 1024px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; z-index: 50; left: 0; top: 0; width: min(var(--sidebar-w), 85vw);
    transform: translateX(-100%); transition: transform 0.2s ease; box-shadow: var(--shadow-lg);
  }
  .app.nav-open .sidebar { transform: none; }
  .scrim { display: block; position: fixed; inset: 0; z-index: 40; background: rgba(8, 10, 14, 0.45); opacity: 0; pointer-events: none; transition: opacity 0.2s; }
  .app.nav-open .scrim { opacity: 1; pointer-events: auto; }
  .menu-btn { display: inline-flex; }
}
@media (max-width: 640px) {
  .header, .toolbar, .main { padding-left: 16px; padding-right: 16px; }
  .banner, .bulkbar { margin-left: 16px; margin-right: 16px; }
  .banner { flex-wrap: wrap; }
  #newTaskBtn span, #newTaskBtn kbd { display: none; }
  #newTaskBtn { width: 34px; padding: 0; }
  .search-field, .search-field input { width: 100%; }
  .toolbar .select { flex: 1 1 40%; }
  .result-count { display: none; }
  .kpi { grid-column: span 12; }
  .cal-day { min-height: 76px; padding: 3px; }
  .cal-task { padding: 1px 3px; font-size: 10.5px; }
  .cal-task .dot { display: none; }
  .cal-head .note { display: none; }
  .prop, .meta { grid-template-columns: 1fr; gap: 4px; }
  .drawer-body, .drawer-foot { padding-left: 16px; padding-right: 16px; }
  .hint { display: none; }
  .toasts { left: 16px; right: 16px; align-items: stretch; }
}