:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-alt: #eef3f7;
  --text: #1c2934;
  --muted: #61707d;
  --border: #d8e0e6;
  --primary: #145b74;
  --primary-dark: #0c455b;
  --primary-soft: #e5f2f6;
  --success: #1f7a4d;
  --success-soft: #e9f7ef;
  --warning: #9a6200;
  --warning-soft: #fff5df;
  --danger: #a63a3a;
  --danger-soft: #fdeeee;
  --nurse: #336b87;
  --allied: #6f5f9c;
  --shadow: 0 8px 24px rgba(25, 51, 66, 0.08);
  --radius: 14px;
  --font: "Noto Sans JP", "BIZ UDPGothic", "Hiragino Kaku Gothic ProN", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: var(--primary-dark); }
.hidden { display: none !important; }
.mobile-only { display: none; }

.app-header {
  color: #fff;
  background: linear-gradient(130deg, #0d4258 0%, #166781 65%, #1e7a8f 100%);
  padding: 30px 24px 26px;
}
.header-inner, .case-toolbar-inner, .tab-nav-inner, .main-container {
  width: min(1180px, 100%);
  margin: 0 auto;
}
.header-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.eyebrow, .step-label { margin: 0 0 4px; font-size: 0.76rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.app-header h1 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.35rem); line-height: 1.35; }
.subtitle { margin: 8px 0 0; color: rgba(255,255,255,.82); }
.privacy-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  font-size: .84rem;
  font-weight: 700;
}
.privacy-dot { width: 9px; height: 9px; border-radius: 50%; background: #8af0b5; box-shadow: 0 0 0 4px rgba(138,240,181,.15); }

.case-toolbar { background: #fff; border-bottom: 1px solid var(--border); padding: 12px 24px; }
.case-toolbar-inner { display: flex; align-items: end; gap: 14px; }
.case-select-wrap { display: grid; gap: 3px; min-width: min(420px, 48vw); font-size: .78rem; color: var(--muted); font-weight: 700; }
.case-select-wrap select { min-height: 40px; }
.autosave-status { margin-left: auto; color: var(--muted); font-size: .82rem; white-space: nowrap; }

.tab-nav { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); backdrop-filter: blur(10px); }
.tab-nav-inner { display: grid; grid-template-columns: repeat(5, 1fr); }
.tab-button { border: 0; border-bottom: 3px solid transparent; background: transparent; padding: 15px 8px 12px; color: var(--muted); font-weight: 700; }
.tab-button:hover { background: var(--surface-alt); color: var(--text); }
.tab-button.active { color: var(--primary); border-bottom-color: var(--primary); background: var(--primary-soft); }

.main-container { padding: 30px 24px 70px; }
.tab-panel { animation: fadeIn .18s ease-out; }
@keyframes fadeIn { from { opacity: .4; transform: translateY(3px); } to { opacity: 1; transform: none; } }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 20px; }
.section-heading h2 { margin: 0; font-size: 1.65rem; }
.section-heading > p { max-width: 620px; margin: 0; color: var(--muted); text-align: right; }
.step-label { color: var(--primary); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 14px; font-size: 1.08rem; }
.card-grid { display: grid; gap: 20px; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.top-space { margin-top: 20px; }
.top-space-small { margin-top: 12px; }
.card-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.card-title-row.wrap { flex-wrap: wrap; }
.muted { color: var(--muted); margin: 2px 0 0; font-size: .9rem; }
.note { color: var(--muted); margin: 12px 0 0; font-size: .82rem; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 15px; }
.form-grid .full { grid-column: 1 / -1; }
.narrow-grid { max-width: 430px; }
.field { display: grid; gap: 6px; color: #42515d; font-size: .86rem; font-weight: 700; }
input, select {
  width: 100%;
  min-height: 42px;
  border: 1px solid #bbc8d1;
  border-radius: 9px;
  background: #fff;
  color: var(--text);
  padding: 8px 11px;
  outline: none;
}
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(20,91,116,.14); }
input[type="number"] { text-align: right; font-variant-numeric: tabular-nums; }
.input-with-unit { display: grid; grid-template-columns: 1fr auto; align-items: center; border: 1px solid #bbc8d1; border-radius: 9px; overflow: hidden; background: #fff; }
.input-with-unit:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(20,91,116,.14); }
.input-with-unit input { border: 0; border-radius: 0; box-shadow: none !important; }
.input-with-unit span { padding: 0 11px; color: var(--muted); font-size: .82rem; }

.segmented-control, .mode-switch { display: grid; gap: 10px; }
.segmented-control { grid-template-columns: 1fr 1fr; }
.mode-switch { grid-template-columns: repeat(2, minmax(0,1fr)); max-width: 420px; }
.segmented-control label, .mode-switch label { position: relative; cursor: pointer; }
.segmented-control input, .mode-switch input { position: absolute; opacity: 0; pointer-events: none; }
.segmented-control span, .mode-switch span { display: flex; justify-content: center; align-items: center; gap: 8px; min-height: 52px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: #fff; text-align: center; }
.segmented-control span { flex-direction: column; gap: 1px; }
.segmented-control small { color: var(--muted); }
.segmented-control input:checked + span, .mode-switch input:checked + span { color: var(--primary); border-color: var(--primary); background: var(--primary-soft); box-shadow: 0 0 0 1px var(--primary); }
.requirement-summary, .calculation-preview { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: var(--surface-alt); color: #42515d; font-size: .9rem; }
.calculation-preview strong { color: var(--primary-dark); }

.btn { min-height: 40px; border-radius: 9px; border: 1px solid transparent; padding: 8px 14px; font-weight: 750; transition: .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn.primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-dark); }
.btn.secondary { color: var(--primary-dark); background: #fff; border-color: #9fb6c2; }
.btn.secondary:hover { background: var(--primary-soft); }
.btn.danger { color: #fff; background: var(--danger); border-color: var(--danger); }
.btn.danger-ghost { color: var(--danger); background: #fff; border-color: #d9a7a7; }
.btn.danger-ghost:hover { background: var(--danger-soft); }
.button-row { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.button-row.compact .btn { min-height: 36px; padding: 6px 11px; font-size: .84rem; }
.inline-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.inline-actions .note { margin: 0; }

.calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0,1fr)); gap: 9px; margin-top: 18px; }
.day-cell { display: grid; gap: 5px; padding: 8px; border: 1px solid var(--border); border-radius: 10px; background: #fafcfd; }
.day-cell.weekend { background: #fbf6f5; }
.day-label { display: flex; justify-content: space-between; gap: 4px; color: var(--muted); font-size: .76rem; font-weight: 700; }
.day-cell input { min-height: 37px; padding: 6px 8px; }
.summary-strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; margin-top: 18px; }
.summary-item { padding: 12px 13px; border-radius: 10px; background: var(--surface-alt); }
.summary-item span { display: block; color: var(--muted); font-size: .76rem; font-weight: 700; }
.summary-item strong { display: block; margin-top: 2px; font-size: 1.18rem; font-variant-numeric: tabular-nums; }

.staff-add-form { display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; gap: 12px; align-items: end; }
.add-staff-button { min-width: 100px; }
.staff-table-wrap { overflow: hidden; border: 1px solid var(--border); border-radius: 11px; }
.staff-table { width: 100%; border-collapse: collapse; }
.staff-table th, .staff-table td { padding: 11px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.staff-table th { background: var(--surface-alt); color: #52616c; font-size: .78rem; }
.staff-table td { font-size: .9rem; }
.staff-table tr:last-child td { border-bottom: 0; }
.staff-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.role-badge { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px; font-size: .76rem; font-weight: 800; white-space: nowrap; }
.role-badge.nurse { color: #24546b; background: #e4f0f5; }
.role-badge.allied { color: #554579; background: #efebf8; }
.role-badge.excluded { color: #646b70; background: #eceff1; }
.staff-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.small-button { border: 1px solid #b8c5cd; border-radius: 7px; background: #fff; padding: 5px 8px; color: var(--primary-dark); font-size: .76rem; font-weight: 700; }
.small-button.danger { color: var(--danger); border-color: #dbb2b2; }
.empty-state { padding: 30px; text-align: center; color: var(--muted); }
.staff-legend { display: flex; gap: 13px; font-size: .78rem; color: var(--muted); }
.staff-legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend-dot { width: 9px; height: 9px; border-radius: 50%; }
.legend-dot.nurse { background: var(--nurse); }
.legend-dot.allied { background: var(--allied); }

.overall-result { border-radius: var(--radius); padding: 20px 22px; border: 1px solid var(--border); background: #fff; box-shadow: var(--shadow); }
.overall-result.pass { background: var(--success-soft); border-color: #9bd0b3; }
.overall-result.fail { background: var(--danger-soft); border-color: #e4aaaa; }
.overall-result.pending { background: var(--warning-soft); border-color: #e8c680; }
.overall-result h3 { margin: 0; font-size: 1.35rem; }
.overall-result p { margin: 6px 0 0; color: #52616c; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-top: 18px; }
.metric-card { padding: 16px; border-radius: 12px; border: 1px solid var(--border); background: #fff; box-shadow: var(--shadow); }
.metric-card span { display: block; color: var(--muted); font-size: .78rem; font-weight: 700; }
.metric-card strong { display: block; margin-top: 5px; font-size: 1.45rem; font-variant-numeric: tabular-nums; line-height: 1.3; }
.metric-card small { display: block; margin-top: 4px; color: var(--muted); }
.criteria-list { display: grid; gap: 10px; }
.criterion { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 13px; border: 1px solid var(--border); border-radius: 10px; }
.criterion-icon { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: .86rem; font-weight: 900; }
.criterion.pass .criterion-icon { background: var(--success); }
.criterion.fail .criterion-icon { background: var(--danger); }
.criterion.pending .criterion-icon { background: var(--warning); }
.criterion-title { font-weight: 800; }
.criterion-detail { color: var(--muted); font-size: .83rem; }
.criterion-status { font-size: .82rem; font-weight: 800; }
.criterion.pass .criterion-status { color: var(--success); }
.criterion.fail .criterion-status { color: var(--danger); }
.criterion.pending .criterion-status { color: var(--warning); }
.calculation-list { display: grid; gap: 10px; }
.calculation-row { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 9px; border-bottom: 1px dashed var(--border); }
.calculation-row:last-child { border-bottom: 0; padding-bottom: 0; }
.calculation-row span { color: var(--muted); }
.calculation-row strong { text-align: right; font-variant-numeric: tabular-nums; }
.revenue-main { padding: 15px; border-radius: 12px; background: var(--primary-soft); }
.revenue-main span { color: var(--muted); font-size: .82rem; font-weight: 700; }
.revenue-main strong { display: block; margin-top: 3px; color: var(--primary-dark); font-size: 1.8rem; font-variant-numeric: tabular-nums; }
.revenue-subgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.revenue-subgrid div { padding: 10px; border-radius: 9px; background: var(--surface-alt); }
.revenue-subgrid span { display: block; color: var(--muted); font-size: .75rem; }
.revenue-subgrid strong { font-variant-numeric: tabular-nums; }
.warning-card { border-left: 5px solid var(--warning); background: #fffdf8; }
.compact-list { margin: 0; padding-left: 1.2em; }
.compact-list li + li { margin-top: 7px; }

.action-stack { display: grid; gap: 10px; align-items: start; }
.definition-list { margin: 0; display: grid; gap: 9px; }
.definition-list div { display: grid; grid-template-columns: 125px 1fr; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.definition-list dt { color: var(--muted); font-weight: 700; }
.definition-list dd { margin: 0; }
.source-list { display: grid; gap: 18px; }
.source-list > div { padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.source-list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.source-list p { margin: 4px 0; color: #4b5a65; }

.app-footer { display: flex; justify-content: center; gap: 28px; padding: 20px 24px; border-top: 1px solid var(--border); background: #fff; color: var(--muted); font-size: .78rem; }
.app-footer p { margin: 0; }

.modal-backdrop { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(12,29,39,.66); }
.modal-card { width: min(1000px, 100%); max-height: calc(100vh - 40px); overflow: auto; border-radius: 16px; background: #fff; padding: 22px; box-shadow: 0 20px 60px rgba(0,0,0,.28); }
.modal-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.modal-header h2 { margin: 0; }
.icon-button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border); background: #fff; font-size: 1.5rem; line-height: 1; }
.bulk-entry-box { margin-top: 18px; padding: 14px; border-radius: 11px; background: var(--surface-alt); }
.bulk-entry-box h3 { margin: 0 0 10px; font-size: .95rem; }
.bulk-entry-grid { display: grid; grid-template-columns: .7fr .7fr 1fr 1.2fr auto auto; gap: 9px; align-items: end; }
.modal-footer { position: sticky; bottom: -22px; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 20px -22px -22px; padding: 14px 22px; border-top: 1px solid var(--border); background: rgba(255,255,255,.96); backdrop-filter: blur(8px); }
.modal-total { font-weight: 800; }

.toast { position: fixed; right: 20px; bottom: 20px; z-index: 200; max-width: min(420px, calc(100vw - 40px)); padding: 12px 16px; border-radius: 10px; background: #163949; color: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.2); font-size: .88rem; }

@media (max-width: 900px) {
  .two-columns, .metric-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .staff-add-form { grid-template-columns: 1fr 1fr; }
  .add-staff-button { width: 100%; }
  .bulk-entry-grid { grid-template-columns: repeat(3, 1fr); }
  .case-toolbar-inner { flex-wrap: wrap; }
  .autosave-status { margin-left: 0; }
}

@media (max-width: 700px) {
  .mobile-only { display: initial; }
  .app-header { padding: 24px 16px; }
  .header-inner { display: block; }
  .privacy-badge { margin-top: 16px; }
  .case-toolbar { padding: 10px 14px; }
  .case-select-wrap { min-width: 100%; }
  .tab-nav { overflow-x: auto; }
  .tab-nav-inner { min-width: 650px; }
  .main-container { padding: 22px 14px 60px; }
  .section-heading { display: block; }
  .section-heading > p { text-align: left; margin-top: 6px; }
  .two-columns, .metric-grid, .form-grid, .staff-add-form { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: auto; }
  .calendar-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .summary-strip { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .staff-table, .staff-table tbody, .staff-table tr, .staff-table td { display: block; }
  .staff-table thead { display: none; }
  .staff-table tr { padding: 13px; border-bottom: 1px solid var(--border); }
  .staff-table td { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border: 0; }
  .staff-table td::before { content: attr(data-label); color: var(--muted); font-size: .76rem; font-weight: 700; }
  .staff-actions { justify-content: flex-end; }
  .bulk-entry-grid { grid-template-columns: 1fr 1fr; }
  .criterion { grid-template-columns: auto 1fr; }
  .criterion-status { grid-column: 2; }
  .app-footer { display: block; text-align: center; }
  .app-footer p + p { margin-top: 4px; }
}

@media (max-width: 430px) {
  .calendar-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .segmented-control, .mode-switch { grid-template-columns: 1fr; }
  .summary-strip, .metric-grid, .revenue-subgrid { grid-template-columns: 1fr; }
  .bulk-entry-grid { grid-template-columns: 1fr; }
  .modal-footer { align-items: stretch; flex-direction: column; }
  .modal-footer .btn { width: 100%; }
}

@media print {
  .app-header, .case-toolbar, .tab-nav, .app-footer, .section-heading .button-row, .btn, .warning-card, #tab-data, #tab-patients, #tab-staff, #tab-settings { display: none !important; }
  body { background: #fff; }
  .main-container { width: 100%; max-width: none; padding: 0; }
  #tab-results { display: block !important; }
  .card, .metric-card, .overall-result { box-shadow: none; break-inside: avoid; }
  .two-columns { grid-template-columns: 1fr 1fr; }
}


.version-label {
  margin: 0.45rem 0 0;
  font-size: 0.78rem;
  font-weight: 700;
  opacity: 0.78;
}