/* 配色・部品は taskshift/web/src/styles/app.css に合わせる。 */
:root {
  color-scheme: light;
  --plane: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --hairline: rgba(11, 11, 11, 0.1);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --critical: #d03b3b;
  --critical-bg: #fbeaea;
  --warning: #b07a00;
  --warning-bg: #fdf4dc;
  --good: #0b8a0b;
  --good-bg: #e6f4e6;
  --lesson-l: 93%;
  --lesson-s: 70%;
  --lesson-edge-l: 48%;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.05);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --plane: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232321;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --ink-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --hairline: rgba(255, 255, 255, 0.1);
    --accent: #5598e7;
    --accent-ink: #0b0b0b;
    --critical: #f07070;
    --critical-bg: #3a1b1b;
    --warning: #f0c050;
    --warning-bg: #352a10;
    --good: #5fcf5f;
    --good-bg: #16301a;
    --lesson-l: 20%;
    --lesson-s: 35%;
    --lesson-edge-l: 62%;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  background: var(--plane);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}
.wrap { max-width: 1280px; margin: 0 auto; padding: 16px 16px 64px; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 1.15rem; }
h2 { font-size: 1.02rem; }
h3 { font-size: 0.92rem; }
p { margin: 0; }
code {
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.86em;
}
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-muted); }
.small { font-size: 0.78rem; }
.lead { color: var(--ink-2); margin: 4px 0 16px; }

/* ---------- controls */
button, select {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--axis);
  border-radius: 7px;
  padding: 5px 12px;
  cursor: pointer;
  white-space: nowrap;
}
button:hover:not(:disabled), select:hover { background: var(--surface-2); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}
button.primary:hover:not(:disabled) { background: var(--accent); filter: brightness(1.08); }
button.danger {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--critical-bg);
  border-color: var(--critical);
  color: var(--critical);
  font-weight: 600;
}
select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label.inline { display: inline-flex; align-items: center; }

/* ---------- header */
header.top {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--plane) 94%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.top-in {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { display: block; height: 28px; width: auto; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .brand .logo { filter: invert(1); }
}
.top-actions { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.subtabs button {
  border: 0;
  border-radius: 0;
  background: none;
  padding: 8px 16px;
  border-bottom: 2px solid transparent;
  color: var(--ink-2);
}
.subtabs button:hover:not(.on) { background: none; color: var(--ink); }
.subtabs button.on {
  color: var(--ink);
  font-weight: 650;
  border-bottom-color: var(--accent);
}
.subtabs { display: flex; flex-wrap: wrap; gap: 2px; border-bottom: 1px solid var(--hairline); }
.count {
  font-size: 0.72rem;
  color: var(--ink-muted);
  background: var(--surface-2);
  border-radius: 9px;
  padding: 0 7px;
}

/* ---------- KPI */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(0, 2fr);
  gap: 10px;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kpi > span { font-size: 0.78rem; color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.kpi > b { font-size: 1.5rem; font-weight: 650; line-height: 1.25; }
.kpi .score em { font-style: normal; }
.kpi .score small { font-size: 0.72rem; font-weight: 500; color: var(--ink-muted); margin: 0 10px 0 4px; }
.kpi .score em.bad { color: var(--critical); }
.kpi .score em.ok { color: var(--good); }
.status { font-size: 0.72rem; border-radius: 9px; padding: 0 8px; }
.status.solving { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }
.status.done { background: var(--good-bg); color: var(--good); }
@media (max-width: 800px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi.wide { grid-column: 1 / -1; }
}

/* ---------- sections */
section { margin-top: 28px; }
.sec-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin-bottom: 10px; }
.sec-head .push, .push { margin-left: auto; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 0.78rem; color: var(--ink-2); }
.legend i {
  display: inline-block; width: 10px; height: 10px; border-radius: 3px;
  margin-right: 5px; vertical-align: -1px;
  background: hsl(var(--h) 65% var(--lesson-edge-l));
}

/* ---------- timetable grid */
.grid-scroll {
  overflow: auto;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--surface);
  max-height: calc(100vh - 150px);
}
table.tt { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 0.85rem; }
.tt th, .tt td { border-bottom: 1px solid var(--hairline); vertical-align: top; }
.tt thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--surface-2);
  text-align: left;
  font-weight: 600;
  padding: 8px 10px;
  white-space: nowrap;
  min-width: 150px;
}
.tt thead th:first-child { left: 0; z-index: 3; min-width: 120px; }
.tt tbody th {
  position: sticky; left: 0; z-index: 1;
  background: var(--surface);
  text-align: left;
  font-weight: 500;
  padding: 8px 10px;
  white-space: nowrap;
  border-right: 1px solid var(--hairline);
}
.tt tbody th .time { font-variant-numeric: tabular-nums; }
.tt tbody th .end { color: var(--ink-muted); font-size: 0.75rem; display: block; }
.tt td { padding: 4px; border-right: 1px solid var(--hairline); }
.tt td:last-child { border-right: 0; }
.tt tr.day th {
  position: sticky; left: 0;
  background: var(--plane);
  color: var(--ink-2);
  font-size: 0.78rem;
  font-weight: 650;
  padding: 4px 10px;
  letter-spacing: 0.04em;
}
.tt td.cell { display: table-cell; }
.tt td .stack { display: flex; flex-direction: column; gap: 4px; }
.tt td.clash { background: var(--critical-bg); }

/* ---------- lesson chip */
.lesson {
  border-radius: 7px;
  padding: 5px 8px 5px 10px;
  background: hsl(var(--h) var(--lesson-s) var(--lesson-l));
  border-left: 3px solid hsl(var(--h) 65% var(--lesson-edge-l));
  line-height: 1.35;
  transition: opacity 0.12s;
}
.lesson b { font-weight: 650; display: block; }
.lesson span { color: var(--ink-2); font-size: 0.76rem; display: block; }
.lesson .id { float: right; color: var(--ink-muted); font-size: 0.7rem; font-variant-numeric: tabular-nums; }
.tt.focus .lesson:not(.hit) { opacity: 0.25; }
.lesson-pool {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}
.all-done {
  grid-column: 1 / -1;
  background: var(--good-bg);
  color: var(--good);
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 600;
}


/* ---------- modal */
.modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0, 0, 0, 0.35);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow: auto;
}
.modal-body {
  background: var(--surface);
  border-radius: 12px;
  padding: 18px 20px;
  width: min(820px, 100%);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.icon-close { border: 0; background: none; font-size: 1.3rem; line-height: 1; color: var(--ink-muted); padding: 2px 8px; }
table.analysis { border-collapse: collapse; width: 100%; font-size: 0.85rem; }
.analysis th {
  background: var(--surface-2);
  text-align: left;
  font-weight: 600;
  padding: 6px 10px;
  border-bottom: 1px solid var(--hairline);
}
.analysis td { padding: 6px 10px; border-bottom: 1px solid var(--hairline); }
.analysis td.r, .analysis th.r { text-align: right; font-variant-numeric: tabular-nums; }
.analysis tr.violated td { background: var(--critical-bg); }
.analysis .sub { color: var(--ink-muted); font-size: 0.75rem; display: block; }
.tag { font-size: 0.72rem; border-radius: 8px; padding: 0 7px; }
.tag.hard { background: var(--critical-bg); color: var(--critical); }
.tag.soft { background: var(--warning-bg); color: var(--warning); }
.mark-ok { color: var(--good); }
.mark-bad { color: var(--critical); }

/* ---------- toast / spinner */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  z-index: 3000;
  padding: 10px 18px;
  border-radius: 9px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
  max-width: min(90vw, 720px);
  background: var(--critical-bg);
  color: var(--critical);
  white-space: pre-wrap;
}
.toast.ok { background: var(--good-bg); color: var(--good); }
.spinner {
  display: inline-block; width: 12px; height: 12px;
  border: 2px solid currentColor; border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   employee-scheduling 固有: シフトカード・凡例・vis-timeline の配色
   ========================================================= */
.kpi .score em { white-space: nowrap; }

/* シフトの状態ごとの色相（--h）。カード/凡例/タイムラインで共通。 */
.st-normal { --h: 212; }
.st-desired { --h: 125; }
.st-undesired { --h: 36; }
.st-unavailable { --h: 0; }
.st-unassigned { --h: 0; }
.legend .st-unassigned i {
  background: transparent;
  border: 1.5px dashed var(--critical);
}
.legend .bg i { opacity: 0.45; }

.skill {
  display: inline-block;
  font-size: 0.7rem;
  line-height: 1.5;
  border-radius: 8px;
  padding: 0 6px;
  margin: 2px 3px 0 0;
  background: var(--surface-2);
  color: var(--ink-2);
  border: 1px solid var(--hairline);
}
.skill.ok { background: var(--good-bg); color: var(--good); border-color: transparent; }
.skill.bad { background: var(--critical-bg); color: var(--critical); border-color: transparent; font-weight: 600; }

/* ---------- vis-timeline をトークンで塗り直す */
.timeline-box {
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.timeline-box .vis-timeline {
  border: 0;
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--ink);
}
.vis-panel.vis-center, .vis-panel.vis-left, .vis-panel.vis-right,
.vis-panel.vis-top, .vis-panel.vis-bottom { border-color: var(--hairline) !important; }
.vis-panel.vis-top, .vis-panel.vis-left { background: var(--surface-2); }
.vis-labelset .vis-label {
  color: var(--ink);
  border-bottom: 1px solid var(--hairline) !important;
}
.vis-labelset .vis-label .vis-inner { padding: 6px 10px; }
.vis-foreground .vis-group { border-bottom: 1px solid var(--hairline) !important; }
.vis-time-axis .vis-text { color: var(--ink-2); padding: 3px 4px; }
.vis-time-axis .vis-text.vis-major { color: var(--ink); font-weight: 650; }
.vis-time-axis .vis-grid.vis-minor { border-color: var(--grid) !important; }
.vis-time-axis .vis-grid.vis-major { border-color: var(--axis) !important; }
.vis-time-axis .vis-grid.vis-saturday,
.vis-time-axis .vis-grid.vis-sunday { background: color-mix(in srgb, var(--surface-2) 70%, transparent); }
.vis-current-time { background-color: var(--accent) !important; }
.vis-shadow { box-shadow: none !important; }

.glabel b { font-weight: 650; display: block; }
.glabel .skills { white-space: normal; max-width: 180px; }

.vis-item.shift {
  background: hsl(var(--h) var(--lesson-s) var(--lesson-l));
  border: 0;
  border-left: 3px solid hsl(var(--h) 65% var(--lesson-edge-l));
  border-radius: 7px;
  color: var(--ink);
  transition: opacity 0.12s;
}
.vis-item.shift.st-unassigned {
  background: var(--critical-bg);
  border: 1.5px dashed var(--critical);
}
.vis-item.shift .vis-item-content { padding: 3px 6px; line-height: 1.3; }
.vis-item.shift b { font-weight: 650; display: block; white-space: nowrap; }
.vis-item.shift .t { color: var(--ink-2); font-size: 0.72rem; display: block; white-space: nowrap; }
.vis-item.vis-selected { box-shadow: 0 0 0 2px var(--accent); z-index: 2; }
.vis-item.vis-background.bgday {
  background: hsl(var(--h) 70% 55% / 0.16);
  border: 0;
}
.vis-item.vis-background.bgday .vis-item-content {
  font-size: 0.68rem;
  color: hsl(var(--h) 65% var(--lesson-edge-l));
  font-weight: 600;
  padding: 2px 5px;
}
.timeline-box.focus .vis-item.shift:not(.hit) { opacity: 0.25; }

.hint { font-size: 0.75rem; color: var(--ink-muted); margin-top: 6px; }

/* ---------- 未割当シフトの一覧 */
.shift-pool {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}
.shift-card {
  border-radius: 7px;
  padding: 5px 8px 5px 10px;
  background: var(--critical-bg);
  border-left: 3px solid var(--critical);
  line-height: 1.35;
}
.shift-card b { font-weight: 650; display: block; }
.shift-card span { color: var(--ink-2); font-size: 0.76rem; display: block; }

.toast .detail { display: block; font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 0.75rem; opacity: 0.85; margin-top: 4px; }
.analysis-check.ok { background: var(--good-bg); color: var(--good); }
.analysis-check.bad { background: var(--critical-bg); color: var(--critical); }
.analysis-check { font-size: 0.8rem; margin-top: 10px; padding: 6px 10px; border-radius: 7px; }
.analysis details ul { margin: 4px 0 0; padding-left: 18px; }
@media (max-width: 800px) {
  .glabel .skills { max-width: 110px; }
}
.sec-head .legend { min-width: 0; flex: 1 1 auto; justify-content: flex-end; }
.timeline-box.off { height: 0; border: 0; box-shadow: none; visibility: hidden; }
.timeline-box .vis-labelset .vis-label { color: var(--ink) !important; }
.analysis th, .analysis .tag { white-space: nowrap; }