:root {
  --bg: #F5F7FA;
  --surface: #FFFFFF;
  --text: #1C2A3E;
  --text-muted: #5A6B82;
  --border: #E1E7EF;
  --accent: #2553A0;
  --accent-soft: #E7EEF9;
  --success: #2E9E6B;
  --success-soft: #E4F4EC;
  --warning: #E8A13A;
  --warning-soft: #FCF0DE;
  --danger: #D9534F;
  --danger-soft: #FBE7E6;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(28, 42, 62, 0.06), 0 4px 16px rgba(28, 42, 62, 0.04);
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  margin: 0;
}

.tabular { font-variant-numeric: tabular-nums; }

/* ---------- Header ---------- */
.report-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 20px 32px;
}
.report-header__eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.report-header__title {
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--text);
}
.report-header__period {
  color: var(--text-muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.report-header__hint {
  color: var(--text-muted);
  font-size: 12.5px;
  font-style: italic;
  opacity: 0.85;
}

/* ---------- Shell / layout ---------- */
.report-shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 32px 40px;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.metric-card__label {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.metric-card__value {
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin-bottom: 10px;
}
.metric-card__indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}
.metric-card__spark {
  display: inline-block;
  width: 34px;
  height: 6px;
  border-radius: 4px;
  background: var(--accent-soft);
  position: relative;
  overflow: hidden;
}
.metric-card__spark::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 70%;
  background: var(--accent);
  border-radius: 4px;
}
.metric-card__spark--good::after { background: var(--success); }
.metric-card__spark--warn::after { background: var(--warning); width: 55%; }
.metric-card__sub {
  font-size: 12px;
  color: var(--text-muted);
}

.report-body {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  align-items: start;
}

/* ---------- Filters ---------- */
.filters-panel {
  position: sticky;
  top: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  align-self: start;
}
.filters-panel__toggle {
  display: none;
  width: 100%;
  border: none;
  background: none;
  font-weight: 600;
  font-size: 15px;
  padding: 0;
  align-items: center;
  gap: 8px;
  color: var(--text);
}
.filter-group { margin-bottom: 20px; }
.filter-group:last-of-type { margin-bottom: 16px; }
.filter-group__title {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.filter-group__body { display: flex; flex-direction: column; gap: 8px; }
.filter-check, .filter-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}
.filter-check input, .filter-radio input { cursor: pointer; accent-color: var(--accent); }

/* ---------- Tabs / panels ---------- */
.report-tabs { border-bottom: 1px solid var(--border); margin-bottom: 0; }
.report-tabs .nav-link {
  color: var(--text-muted);
  font-weight: 500;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 16px;
}
.report-tabs .nav-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: none;
}
.report-tab-content { padding-top: 20px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
  transition: opacity 0.18s ease;
}
.panel.is-updating { opacity: 0.55; }
.panel__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 6px;
}
.panel__title { font-size: 18px; font-weight: 600; margin: 0; }
.panel__hint { font-size: 12.5px; color: var(--text-muted); }

.chart-wrap { position: relative; margin-bottom: 8px; }
.chart-wrap--bar { min-height: 340px; }

/* ---------- Day cards ---------- */
.day-cards {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.day-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  background: var(--surface);
  transition: background 0.15s ease, transform 0.1s ease;
}
.day-card:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.day-card.is-hidden { display: none; }
.day-card__day { font-weight: 600; font-size: 14px; margin-bottom: 4px; display: flex; justify-content: space-between; align-items: center; }
.day-card__occupancy { font-size: 12.5px; color: var(--text-muted); }
.day-card__revenue { font-size: 13px; font-weight: 600; margin-top: 2px; }
.day-card--warning { background: var(--warning-soft); border-color: var(--warning); }
.day-card--critical { background: var(--danger-soft); border-color: var(--danger); }
.badge-problem {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--warning);
  color: #fff;
}
.day-card--critical .badge-problem { background: var(--danger); }

.day-detail {
  grid-column: 1 / -1;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--accent-soft);
  font-size: 13.5px;
  animation: fadeIn 0.2s ease;
}
.day-detail.is-hidden { display: none; }
.day-detail__title { font-weight: 600; margin-bottom: 6px; }
.day-detail__grid { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 6px; }
.day-detail__comment { color: var(--text-muted); font-style: italic; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Dish table ---------- */
.table-wrap { overflow-x: auto; }
.dish-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.dish-table th {
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.dish-table th.is-sorted { color: var(--accent); }
.dish-table th .fa-sort, .dish-table th .fa-sort-up, .dish-table th .fa-sort-down { margin-left: 4px; font-size: 10px; }
.dish-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.dish-table tbody tr { cursor: pointer; }
.dish-table tbody tr:hover { background: var(--bg); }
.dish-table tr.is-weak td:first-child { border-left: 3px solid var(--danger); }
.weak-badge {
  display: inline-block;
  margin-left: 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--danger-soft);
  color: var(--danger);
}
.dish-row-detail td { background: var(--bg); font-size: 12.5px; padding: 10px 14px; }
.dish-row-detail.is-hidden { display: none; }
.dish-sparkbar { display: flex; gap: 4px; align-items: flex-end; height: 34px; }
.dish-sparkbar__bar { width: 14px; background: var(--accent); border-radius: 3px 3px 0 0; min-height: 2px; }

/* ---------- Empty / error states ---------- */
.empty-state {
  max-width: 520px;
  margin: 64px auto;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow);
}
.empty-state__icon { font-size: 40px; color: var(--accent); margin-bottom: 16px; }
.empty-state__error { color: var(--danger); font-weight: 500; }
.empty-state__hint { color: var(--text-muted); font-size: 13px; }

/* ---------- Toasts ---------- */
.toast-root {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast-msg {
  background: var(--surface);
  border: 1px solid var(--danger);
  border-left: 4px solid var(--danger);
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
  font-size: 13.5px;
  max-width: 340px;
  animation: fadeIn 0.2s ease;
}

/* ---------- Footer ---------- */
.report-footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 32px 32px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12.5px;
  border-top: 1px solid var(--border);
}

/* ---------- Responsive ---------- */
@media (max-width: 767px) {
  .report-header { padding: 16px 18px; }
  .report-shell { padding: 16px 14px 32px; }

  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .report-body { grid-template-columns: 1fr; }

  .filters-panel {
    position: static;
    padding: 14px;
  }
  .filters-panel__toggle { display: flex; }
  .filters-panel__content { display: none; margin-top: 14px; }
  .filters-panel.is-open .filters-panel__content { display: block; }
  .filters-panel__chevron { margin-left: auto; transition: transform 0.15s ease; }
  .filters-panel.is-open .filters-panel__chevron { transform: rotate(180deg); }

  .day-cards { grid-template-columns: repeat(2, 1fr); }

  .table-wrap { overflow-x: auto; }
  .dish-table { min-width: 640px; }

  .report-footer { flex-direction: column; }
}