:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2a44;
  --muted: #7a8599;
  --accent: #2f6bff;
  --accent-strong: #1f50d5;
  --border: #e4e8f0;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(circle at top, #f8faff 0%, var(--bg) 40%);
  margin: 0;
  padding: 0;
  color: var(--text);
}

.container {
  max-width: 1280px;
  margin: 24px auto;
  padding: 0 20px 48px;
}

.title {
  margin: 0 0 16px 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-top: -6px;
}

.nav-links {
  display: flex;
  gap: 12px;
  font-size: 13px;
}

.nav-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.nav-links a:hover {
  text-decoration: underline;
}

.card {
  background: var(--card);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
  margin-bottom: 18px;
  border: 1px solid var(--border);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-header h2 {
  font-size: 16px;
  margin: 0;
}

.row {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.4fr auto;
  gap: 14px;
  align-items: end;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

select,
input,
button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 14px;
  background: #fff;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

select:focus,
input:focus,
button:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.15);
}

select[multiple] {
  min-height: 110px;
}

button {
  cursor: pointer;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 8px 18px rgba(47, 107, 255, 0.2);
}

button:hover {
  background: var(--accent-strong);
  box-shadow: 0 10px 22px rgba(31, 80, 213, 0.22);
}

.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 10px;
  font-size: 12px;
}

.ghost:hover {
  background: rgba(47, 107, 255, 0.08);
}

.danger {
  background: #d14343;
  color: #fff;
  border: 1px solid #d14343;
  padding: 6px 10px;
  font-size: 12px;
}

.danger:hover {
  background: #b73434;
}

.sub-actions {
  margin-top: 6px;
  display: flex;
  gap: 8px;
}

.actions {
  min-width: 150px;
}

.hint {
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.kpi-card {
  background: var(--card);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
  border: 1px solid var(--border);
}

.kpi-label {
  font-size: 12px;
  color: var(--muted);
}

.kpi-value {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 700;
}

.chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.charts-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.chart-card {
  background: #f8faff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  height: 420px;
  overflow: hidden;
}

.chart-card canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 10px 8px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 13px;
}

.right {
  text-align: right;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1100px) {
  .row {
    grid-template-columns: 1fr 1fr;
  }

  .chart-grid {
    grid-template-columns: 1fr;
  }

  .actions {
    min-width: unset;
  }
}

.report-row {
  grid-template-columns: 2fr 1fr 1fr 1.6fr 1fr auto;
}

.shifts-row {
  grid-template-columns: 2fr 1fr 1fr auto;
}

.compare-row {
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr auto;
}

.modern-date {
  border-color: #d3dcf0;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
  color: #1e2c4a;
  border-radius: 12px;
}

.modern-date::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.85;
}

.modern-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #8a95ad 50%), linear-gradient(135deg, #8a95ad 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 2px), calc(100% - 11px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
  border-color: #d3dcf0;
  border-radius: 12px;
  background-color: #fff;
}

.modern-select,
.multi-select-toggle {
  min-height: 42px;
}

.years-depth-col input {
  text-align: center;
}

.checklist {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  max-height: 180px;
  overflow: auto;
  background: #fff;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin: 2px 0;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: #7469d6;
}

.check-item:hover {
  background: #efecff;
}

.check-item input {
  width: 24px;
  height: 24px;
  margin: 0;
  accent-color: #7a6fe0;
}

.multi-select {
  position: relative;
}

.multi-select-toggle {
  width: 100%;
  text-align: left;
  background: #fff;
  color: #2f3544;
  border: 2px solid #cfd2e6;
  border-radius: 18px;
  box-shadow: none;
  font-weight: 500;
  position: relative;
  padding-right: 34px;
  min-height: 74px;
  padding-top: 24px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.multi-select-toggle:hover {
  background: #fff;
  box-shadow: none;
}

.multi-select-toggle::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 3px solid #4a5161;
  border-bottom: 3px solid #4a5161;
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.15s ease;
}

.multi-select.open .multi-select-toggle::after {
  transform: translateY(-35%) rotate(-135deg);
}

.multi-select.open .multi-select-toggle {
  border-color: #7a6fe0;
  box-shadow: 0 0 0 3px rgba(122, 111, 224, 0.12);
}

.multi-select-toggle::before {
  content: attr(data-label);
  position: absolute;
  top: -12px;
  left: 18px;
  background: var(--bg);
  color: #7a6fe0;
  font-size: 14px;
  padding: 0 8px;
  font-weight: 500;
}

.multi-select-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: auto;
  width: min(420px, 100%);
  z-index: 80;
  background: #fff;
  border: none;
  border-radius: 18px;
  padding: 10px;
  box-shadow: 0 16px 28px rgba(38, 39, 70, 0.22);
}

.multi-select.open .multi-select-menu {
  display: block;
}

.multi-select .checklist {
  box-shadow: none;
  border: none;
  border-radius: 8px;
  padding-top: 2px;
  max-height: 240px;
}

.multi-select-actions {
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid #ecebfa;
}

.multi-select-actions .ghost {
  border-color: #d8d4f6;
  color: #7a6fe0;
  background: #f4f2ff;
}

.multi-select-actions .ghost:hover {
  background: #ece8ff;
}

.clickable-row {
  cursor: pointer;
}

.clickable-row:hover {
  background: #f3f7ff;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 40, 0.45);
}

.modal-content {
  position: relative;
  background: #fff;
  border-radius: 16px;
  max-width: 960px;
  margin: 5vh auto;
  padding: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 40px rgba(15, 23, 42, 0.25);
  max-height: 90vh;
  overflow: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}