:root {
  color-scheme: light;
  --page: #F3F6F3; --surface: #FCFDFC; --surface-alt: #F0F4F0;
  --ink: #10160F; --ink-2: #55605A; --ink-muted: #8B948B;
  --border: rgba(16,22,15,0.11); --border-strong: rgba(16,22,15,0.18);
  --accent: #1F6F53; --accent-ink: #FFFFFF; --accent-warm: #B9790E;
  --good: #0ca30c; --warning: #fab219; --critical: #d03b3b; --delay: #a83232; --today: #ea580c;
  --shadow: 0 1px 2px rgba(16,22,15,0.06), 0 8px 24px -12px rgba(16,22,15,0.18);

  /* 서로 뚜렷이 구분되도록 정리한 구분(phase) 색상 팔레트. 진행중/지연/완료 상태색(초록·빨강·회색)과 겹치는 색은 넣지 않습니다. */
  --p1: #2563eb; --p2: #0891b2; --p3: #4338ca; --p4: #7c3aed; --p5: #a21caf;
  --p6: #db2777; --p7: #9d174d; --p8: #ea580c; --p9: #ca8a04; --p10: #b45309;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0D120F; --surface: #171F1A; --surface-alt: #1C261F;
    --ink: #F5F7F5; --ink-2: #C2C7C0; --ink-muted: #8B9088;
    --border: rgba(255,255,255,0.11); --border-strong: rgba(255,255,255,0.20);
    --accent: #4FB58C; --accent-ink: #08130E; --accent-warm: #E3A63C;
    --delay: #c14545; --today: #f2984a;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0D120F; --surface: #171F1A; --surface-alt: #1C261F;
  --ink: #F5F7F5; --ink-2: #C2C7C0; --ink-muted: #8B9088;
  --border: rgba(255,255,255,0.11); --border-strong: rgba(255,255,255,0.20);
  --accent: #4FB58C; --accent-ink: #08130E; --accent-warm: #E3A63C;
  --delay: #c14545; --today: #f2984a;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font-family: "Noto Sans KR", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-variant-numeric: tabular-nums; -webkit-font-smoothing: antialiased;
}
h1, h2 { text-wrap: balance; margin: 0; }
button { font-family: inherit; }
.theme-toggle-btn { position: fixed; top: 14px; right: 14px; z-index: 100; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink); font-size: 17px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow); }
.theme-toggle-btn:hover { border-color: var(--accent); }
[hidden] { display: none !important; }

.loading-veil { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--ink-muted); font-size: 14px; background: var(--page); z-index: 50; }

/* ---- landing (project list) ---- */
.landing-wrap { max-width: 760px; margin: 0 auto; padding: 48px 20px 64px; }
.landing-title { font-family: "Noto Serif KR", serif; font-weight: 700; font-size: clamp(24px, 4vw, 32px); margin: 0 0 8px; }
.landing-sub { color: var(--ink-2); font-size: 14px; margin: 0 0 28px; line-height: 1.6; }
.project-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.project-card { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 10px 10px 14px; box-shadow: var(--shadow); }
.project-card:hover { border-color: var(--accent); }
.project-card .pc-check { display: flex; align-items: center; flex: none; }
.project-card .pc-check input { width: 18px; height: 18px; cursor: pointer; }
.project-card .pc-body { flex: 1; min-width: 0; display: block; text-decoration: none; color: var(--ink); padding: 6px 8px; }
.project-card .pc-eyebrow { font-size: 11.5px; color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.project-card .pc-name { font-size: 16px; font-weight: 700; font-family: "Noto Serif KR", serif; }
.project-card .pc-meta { font-size: 12px; color: var(--ink-muted); margin-top: 4px; }
.pc-mode { font-weight: 700; color: var(--ink-2); }
.pc-mode.edit { color: var(--accent); }
.pc-progress { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.pc-progress-bar { flex: 1; height: 6px; border-radius: 4px; background: var(--surface-alt); overflow: hidden; }
.pc-progress-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width .2s ease; }
.pc-progress-label { flex: none; font-size: 11px; color: var(--ink-muted); }
.project-card .pc-del { flex: none; background: none; border: none; color: var(--ink-muted); cursor: pointer; font-size: 15px; padding: 6px 8px; border-radius: 8px; }
.project-card .pc-del:hover { color: var(--critical); background: var(--surface-alt); }
.empty-note { color: var(--ink-muted); font-size: 13px; padding: 16px; text-align: center; }

.bulk-bar { display: flex; align-items: center; gap: 12px; background: var(--surface-alt); border: 1px solid var(--border-strong); border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; font-size: 13px; }
.bulk-bar #bulkCount { font-weight: 700; color: var(--ink); }
.bulk-bar button.danger { background: var(--critical); color: #fff; border: none; border-radius: 8px; padding: 7px 12px; font-weight: 700; font-size: 12.5px; cursor: pointer; }
.bulk-bar .link-btn { background: none; border: none; color: var(--ink-muted); text-decoration: underline; font-size: 12.5px; cursor: pointer; padding: 0; }
.new-project-box { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.new-project-box h2 { font-size: 14px; margin: 0 0 12px; }
.new-project-fields { display: flex; gap: 8px; flex-wrap: wrap; }
.new-project-fields input { flex: 1; min-width: 140px; font: inherit; font-size: 13.5px; padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: 9px; background: var(--page); color: var(--ink); }
.back-link { font-size: 12px; color: var(--ink-muted); text-decoration: none; border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; }
.back-link:hover { border-color: var(--accent); color: var(--accent); }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

button.primary { background: var(--accent); color: var(--accent-ink); border: none; border-radius: 9px; padding: 10px 16px; font-weight: 700; font-size: 13.5px; cursor: pointer; }
button.secondary { background: var(--surface); border: 1px solid var(--border-strong); color: var(--ink); border-radius: 9px; padding: 10px 16px; font-weight: 700; font-size: 13.5px; cursor: pointer; }

/* ---- app shell ---- */
.app { max-width: 1280px; margin: 0 auto; padding: 28px 20px 80px; }
.sync-banner { background: var(--warning); color: #2a1e00; font-size: 12.5px; font-weight: 700; text-align: center; padding: 8px; border-radius: 8px; margin-bottom: 14px; }

.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.eyebrow-fields { display: flex; align-items: center; gap: 6px; margin: 0 0 6px; width: 100%; }
.eyebrow-input { font: inherit; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; background: transparent; border: none; border-bottom: 1px dashed var(--border-strong); padding: 2px 1px; min-width: 90px; }
.eyebrow-input::placeholder { color: var(--ink-muted); text-transform: none; font-weight: 500; font-style: italic; }
.team-chip-row { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.team-chip { display: inline-flex; align-items: center; gap: 3px; font-size: 11px; font-weight: 700; color: var(--ink-2); background: var(--surface-alt); border: 1px solid var(--border); border-radius: 999px; padding: 2px 4px 2px 8px; white-space: nowrap; }
.team-chip-del { background: none; border: none; color: var(--ink-muted); cursor: pointer; font-size: 10px; padding: 2px 4px; line-height: 1; }
.team-chip-del:hover { color: var(--critical); }
.team-add-btn { font: inherit; font-size: 11px; font-weight: 700; color: var(--accent); background: none; border: 1px dashed var(--border-strong); border-radius: 999px; padding: 2px 8px; cursor: pointer; white-space: nowrap; }
.team-add-btn:hover { background: var(--surface-alt); }
.eyebrow-sep { color: var(--ink-muted); font-size: 12px; }
h1.title { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; font-family: "Noto Serif KR", serif; font-weight: 700; font-size: clamp(22px, 4vw, 30px); }
.title-input { font: inherit; font-family: inherit; font-weight: inherit; font-size: inherit; color: var(--ink); background: transparent; border: none; border-bottom: 2px dashed var(--border-strong); min-width: 120px; padding: 0 2px; }
.title-input::placeholder { color: var(--ink-muted); font-style: italic; font-weight: 500; }
.title-suffix { color: var(--ink-2); }
.head-actions { display: flex; align-items: center; gap: 10px; }
.saving-dot { font-size: 12px; color: var(--ink-muted); }
.mode-badge { font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 999px; background: var(--surface-alt); color: var(--ink-2); border: 1px solid var(--border); }
.mode-badge.edit { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.proj-status-badge { font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 999px; background: var(--surface-alt); color: var(--ink-2); border: 1px solid var(--border); }
.proj-status-badge.delayed { background: rgba(168,50,50,0.14); color: var(--delay); border-color: transparent; }
.proj-status-badge.doing { background: rgba(31,111,83,0.14); color: var(--accent); border-color: transparent; }
.proj-status-badge.done { background: rgba(12,163,12,0.14); color: var(--good); border-color: transparent; }
.proj-status-select { font: inherit; font-size: 12.5px; font-weight: 700; padding: 6px 10px; border-radius: 9px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink); cursor: pointer; }

.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.stat-chip { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 8px 14px; font-size: 12.5px; color: var(--ink-2); }
.stat-chip b { color: var(--ink); font-size: 14px; }

.owner-summary-toggle-row { margin: -8px 0 12px; }
.owner-summary { display: flex; flex-direction: column; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin-bottom: 18px; }
.owner-summary-empty { color: var(--ink-muted); font-size: 12.5px; text-align: center; padding: 6px; }
.owner-summary-row { display: grid; grid-template-columns: 90px 1fr 100px 34px; align-items: center; gap: 10px; }
.owner-summary-name { font-size: 12.5px; font-weight: 700; color: var(--ink); }
.owner-summary-counts { display: flex; gap: 6px; flex-wrap: wrap; }
.owner-count { font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px; background: var(--surface-alt); color: var(--ink-2); }
.owner-count.doing { background: rgba(31,111,83,0.14); color: var(--accent); }
.owner-count.delayed { background: rgba(168,50,50,0.14); color: var(--delay); }
.owner-count.done { background: rgba(12,163,12,0.14); color: var(--good); }
.owner-summary-bar { height: 6px; border-radius: 4px; background: var(--surface-alt); overflow: hidden; }
.owner-summary-bar-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width .2s ease; }
.owner-summary-pct { font-size: 11.5px; color: var(--ink-muted); text-align: right; }
@media (max-width: 720px) {
  .owner-summary-row { grid-template-columns: 1fr; gap: 6px; }
  .owner-summary-pct { text-align: left; }
}

.th-filter-select { font: inherit; font-size: 11.5px; font-weight: 700; text-transform: none; letter-spacing: normal; color: var(--ink-2); background: var(--surface-alt); border: 1px solid var(--border-strong); border-radius: 6px; padding: 4px 3px; cursor: pointer; width: 100%; text-align: center; text-align-last: center; appearance: none; -webkit-appearance: none; -moz-appearance: none; }
.th-filter-select:hover { border-color: var(--accent); }
.mobile-filter-row { display: flex; gap: 6px; flex-wrap: wrap; margin: -4px 0 12px; }
.th-filter-select.mobile { width: auto; flex: 1; min-width: 90px; }

.board-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.legend { display: flex; gap: 6px; flex-wrap: wrap; }
.legend-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 700; color: #fff; padding: 4px 9px; border-radius: 999px; }

/* ---- desktop table ---- */
.table-scroll { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.task-table { width: 100%; border-collapse: collapse; font-size: 13px; table-layout: fixed; }
.task-table th { position: relative; text-align: center; font-size: 11.5px; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.04em; padding: 10px 10px; border-bottom: 1px solid var(--border-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-table td { padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; overflow: hidden; }
.col-resizer { position: absolute; top: 0; right: -5px; width: 10px; height: 100%; cursor: col-resize; user-select: none; z-index: 3; }
.col-resizer::after { content: ""; position: absolute; top: 20%; bottom: 20%; left: 50%; width: 3px; transform: translateX(-50%); background: var(--border-strong); border-radius: 3px; }
.col-resizer:hover::after, .col-resizer.active::after { background: var(--accent); width: 4px; top: 10%; bottom: 10%; }
.col-resizer:hover, .col-resizer.active { background: var(--accent); opacity: .18; }
.add-task-row td { padding: 0; border-bottom: none; }
.add-task-row-btn { display: block; width: 100%; background: none; border: none; border-top: 1px dashed var(--border-strong); color: var(--accent); font: inherit; font-weight: 700; font-size: 13px; padding: 10px; cursor: pointer; text-align: center; }
.add-task-row-btn:hover { background: var(--surface-alt); }
.add-task-card-btn { display: block; width: 100%; background: none; border: 1px dashed var(--border-strong); border-radius: 12px; color: var(--accent); font: inherit; font-weight: 700; font-size: 13.5px; padding: 12px; cursor: pointer; text-align: center; }
.add-task-card-btn:hover { background: var(--surface-alt); }
.task-table td.col-phase { text-align: center; }
.task-table tr.dragging { opacity: 0.4; }
.col-drag { width: 30px; }
.drag-handle { cursor: grab; color: var(--ink-muted); user-select: none; }
.task-table input, .task-table select, .task-table textarea { font: inherit; font-size: 12.5px; border: 1px solid transparent; background: transparent; color: var(--ink); padding: 4px 6px; border-radius: 6px; width: 100%; text-overflow: ellipsis; white-space: nowrap; overflow: hidden; }
.task-table input:hover, .task-table select:hover { border-color: var(--border); }
.task-table input:focus, .task-table select:focus, .task-table textarea:focus { outline: none; border-color: var(--accent); background: var(--surface-alt); }
.phase-pill { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; padding: 4px 8px; border-radius: 999px; color: #fff; font-weight: 700; font-size: 12px; max-width: 100%; box-sizing: border-box; overflow: hidden; }
.phase-pill input { color: inherit; font-weight: inherit; padding: 0; background: transparent; border: none; width: auto; min-width: 40px; text-align: center; }
.task-table .phase-pill { display: flex; justify-content: center; width: 100%; }
.task-table .phase-pill input { width: 100%; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-color { width: 38px; text-align: center; background: var(--surface-alt); border-left: 1px solid var(--border); border-right: 1px solid var(--border); }
.color-swatch-btn { width: 24px; height: 24px; border-radius: 999px; border: 2px solid var(--surface); box-shadow: 0 0 0 1.5px var(--border-strong); cursor: pointer; padding: 0; transition: transform .1s ease, box-shadow .1s ease; }
.color-swatch-btn:hover { box-shadow: 0 0 0 2px var(--accent); transform: scale(1.1); }
.color-swatch-btn:disabled { cursor: default; }
.color-swatch-btn:disabled:hover { box-shadow: 0 0 0 1.5px var(--border-strong); transform: none; }
.col-taskstatus { width: 76px; text-align: center; }
.task-status-badge { display: inline-block; font-size: 10.5px; font-weight: 700; padding: 3px 8px; border-radius: 999px; background: var(--surface-alt); color: var(--ink-2); border: 1px solid var(--border); white-space: nowrap; }
.task-status-badge.delayed { background: rgba(168,50,50,0.14); color: var(--delay); border-color: transparent; }
.task-status-badge.doing { background: rgba(31,111,83,0.14); color: var(--accent); border-color: transparent; }
.task-status-badge.done { background: rgba(139,148,139,0.18); color: var(--ink-muted); border-color: transparent; }
select.task-status-badge { cursor: pointer; appearance: none; -webkit-appearance: none; -moz-appearance: none; text-align: center; text-align-last: center; }
select.task-status-badge:disabled { cursor: default; opacity: .85; }
.task-table select.task-status-badge { width: auto; padding: 3px 8px; border-radius: 999px; background: var(--surface-alt); border: 1px solid var(--border); }
.del-btn { background: none; border: none; color: var(--ink-muted); cursor: pointer; font-size: 15px; padding: 4px; }
.del-btn:hover { color: var(--critical); }

.gantt-wrap { background: var(--surface); border: 1px solid var(--border); border-bottom: none; border-radius: 12px 12px 0 0; overflow-x: auto; overflow-y: hidden; padding: 14px; }
.gantt-vresizer { height: 14px; display: flex; align-items: center; justify-content: center; cursor: row-resize; user-select: none; background: var(--surface); border: 1px solid var(--border); border-top: none; border-radius: 0 0 12px 12px; margin-bottom: 20px; }
.gantt-vresizer::after { content: ""; width: 48px; height: 4px; border-radius: 3px; background: var(--border-strong); }
.gantt-vresizer:hover::after, .gantt-vresizer.active::after { background: var(--accent); }
.section-head { margin: 4px 0 10px; }
.section-head h2 { font-family: "Noto Serif KR", serif; font-size: 17px; font-weight: 700; }
.gantt { display: grid; position: relative; }
.gantt-row { display: grid; align-items: stretch; height: var(--gantt-row-h, 36px); position: relative; border-bottom: 1px solid var(--border); overflow: hidden; }
.gantt-row-label { position: sticky; left: 0; background: var(--surface-alt); z-index: 2; border-right: 2px solid var(--border-strong); box-sizing: border-box; overflow: hidden; display: grid; grid-template-columns: 1fr 64px 60px; align-items: stretch; height: 100%; }
.gantt-row-name-box { display: flex; align-items: center; min-width: 0; padding: 0 8px; color: #fff; font-size: 12px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gantt-row-owner-col { display: flex; align-items: center; justify-content: center; min-width: 0; padding: 0 4px; font-size: 10.5px; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-left: 1px solid var(--border); }
.gantt-row-status-col { display: flex; align-items: center; justify-content: center; padding: 0 4px; border-left: 1px solid var(--border); }
.gantt-row-status-col .task-status-badge { font-size: 9px; padding: 1px 5px; }
.gantt-track { position: relative; height: 100%; }
.gantt-bar { position: absolute; top: 50%; transform: translateY(-50%); height: 20px; border-radius: 6px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; overflow: hidden; padding: 0 3px; }
.gantt-bar-label { font-size: 10px; font-weight: 700; color: #fff; white-space: nowrap; text-shadow: 0 1px 1px rgba(0,0,0,0.3); pointer-events: none; }
.gantt-spacer { flex: none; width: 230px; position: sticky; left: 0; background: var(--surface-alt); z-index: 3; border-right: 2px solid var(--border-strong); box-sizing: border-box; }
.gantt-resizer { position: absolute; top: 0; right: -5px; width: 10px; height: 100%; cursor: col-resize; user-select: none; z-index: 6; }
.gantt-resizer::after { content: ""; position: absolute; top: 20%; bottom: 20%; left: 50%; width: 3px; transform: translateX(-50%); background: var(--border-strong); border-radius: 3px; }
.gantt-resizer:hover::after, .gantt-resizer.active::after { background: var(--accent); width: 4px; top: 10%; bottom: 10%; }
.gantt-resizer:hover, .gantt-resizer.active { background: var(--accent); opacity: .18; }
.gantt-today-line { position: absolute; top: 0; bottom: 0; width: 4px; background: var(--today); z-index: 1; pointer-events: none; }
.gantt-today-label { position: absolute; top: 0; left: 6px; font-size: 10px; font-weight: 700; color: var(--today); white-space: nowrap; background: var(--surface); padding: 0 3px; border-radius: 3px; }
.gantt-month-row { display: flex; font-size: 12.5px; font-weight: 800; color: var(--ink); border-bottom: 1px solid var(--border); padding-bottom: 5px; margin-bottom: 2px; letter-spacing: .01em; }
.gantt-month-track { display: flex; flex: none; }
.gantt-month-track span { flex: none; padding: 2px 0 2px 6px; box-sizing: border-box; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-right: 1px dashed var(--border); }
.gantt-month-track span.alt { background: var(--surface-alt); }
.gantt-month-line { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--border-strong); z-index: 1; pointer-events: none; }
.gantt-ruler { display: flex; font-size: 10.5px; color: var(--ink-muted); border-bottom: 1px solid var(--border-strong); padding-bottom: 6px; margin-bottom: 4px; }
.gantt-ruler-track { display: flex; flex: none; }

/* ---- mobile cards ---- */
.card-list { display: flex; flex-direction: column; gap: 10px; }
.task-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.task-card .card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.task-card .move-btns { display: flex; gap: 4px; }
.icon-btn { background: var(--surface-alt); border: 1px solid var(--border); border-radius: 6px; width: 26px; height: 26px; cursor: pointer; color: var(--ink-2); }
.card-name-input { font: inherit; font-weight: 700; font-size: 14.5px; border: none; background: transparent; color: var(--ink); width: 100%; padding: 4px 0; }
.card-row { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.card-row label { font-size: 11px; color: var(--ink-muted); display: block; margin-bottom: 2px; }
.card-field { flex: 1; min-width: 110px; }
.card-field input, .card-field select, .card-field textarea { width: 100%; font: inherit; font-size: 13px; border: 1px solid var(--border); border-radius: 8px; padding: 7px 8px; background: var(--page); color: var(--ink); }

/* ---- color picker ---- */
.color-picker { position: fixed; z-index: 200; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 12px; box-shadow: var(--shadow); padding: 10px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.color-swatch { width: 26px; height: 26px; border-radius: 8px; cursor: pointer; border: 2px solid transparent; }
.color-swatch.selected { border-color: var(--ink); }

/* ---- gantt overlay (mobile fullscreen) ---- */
.gantt-overlay { position: fixed; inset: 0; z-index: 300; background: var(--page); display: flex; flex-direction: column; }
.gantt-overlay-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--border); font-weight: 700; }
.gantt-overlay-head button { background: none; border: none; font-size: 14px; cursor: pointer; color: var(--ink-2); }
.gantt-overlay-body { flex: 1; overflow: auto; padding: 14px; }

/* ---- responsive switch ---- */
.mobile-only { display: none; }
@media (max-width: 880px) {
  .desktop-only { display: none; }
  .mobile-only { display: block; }
}

/* ---- feedback ---- */
.feedback-fab { position: fixed; right: 18px; bottom: 18px; z-index: 250; background: var(--accent); color: var(--accent-ink); border: none; border-radius: 999px; padding: 12px 18px; font-weight: 700; font-size: 13px; cursor: pointer; box-shadow: var(--shadow); }
.feedback-modal { position: fixed; inset: 0; z-index: 260; background: rgba(16,22,15,0.45); display: flex; align-items: center; justify-content: center; padding: 20px; }
.feedback-modal-box { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; box-shadow: var(--shadow); }
.feedback-modal-box h2 { font-size: 16px; margin-bottom: 6px; }
.feedback-modal-sub { color: var(--ink-2); font-size: 12.5px; margin: 0 0 14px; line-height: 1.5; }
.feedback-modal-box textarea { width: 100%; font: inherit; font-size: 13.5px; padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: 9px; background: var(--page); color: var(--ink); resize: vertical; }
.feedback-modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.feedback-modal-status { font-size: 12.5px; color: var(--ink-muted); margin: 10px 0 0; }