/*
 * Soft Light theme — fixed (not adaptive to OS/prefers-color-scheme).
 * Chosen deliberately for a calm, print/screenshot-friendly executive look;
 * validated categorical pair (series-1/series-2) via dataviz palette validator.
 */
:root {
  color-scheme: light;
  --surface-1:      #ffffff;
  --page-plane:     #f5f6f8;
  --text-primary:   #1f2430;
  --text-secondary: #5b6472;
  --text-muted:     #8b93a1;
  --gridline:       #e8eaee;
  --baseline:       #d5d9df;
  --border:         rgba(31,36,48,0.06);
  --border-strong:  rgba(31,36,48,0.12);
  --shadow: 0 1px 2px rgba(31,36,48,0.04), 0 2px 8px rgba(31,36,48,0.06);

  --series-1: #4c7cf3; /* soft blue   */
  --series-2: #3aa76d; /* soft green  */
  --series-3: #e0839f; /* soft magenta*/
  --series-4: #e0a83a; /* soft amber  */
  --series-5: #3ab6a0; /* soft teal   */
  --series-6: #e0895c; /* soft orange */
  --series-7: #8577d6; /* soft violet */
  --series-8: #e0645c; /* soft red    */

  --status-good:     #3aa76d;
  --status-warning:  #e0a83a;
  --status-serious:  #e0895c;
  --status-critical: #e0645c;

  --success-text: #2f8a5c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page-plane);
  color: var(--text-primary);
}

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-header h1 {
  font-size: 22px;
  margin: 0 0 4px;
}

.page-header .sub {
  color: var(--text-secondary);
  font-size: 13px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.nav-user {
  font-size: 12.5px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-user .role-tag {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--gridline);
  padding: 1px 6px;
  border-radius: 999px;
  letter-spacing: .02em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface-1);
  box-shadow: var(--shadow);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--gridline); }
.btn.primary { background: var(--series-1); color: #fff; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.05); }

/* Filter row */
.filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: var(--surface-1);
  box-shadow: var(--shadow);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 24px;
}
.filters .group { display: flex; gap: 4px; flex-wrap: wrap; }
.filters .label { font-size: 12px; color: var(--text-muted); margin-right: 4px; }
.chip {
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  text-decoration: none;
  background: transparent;
}
.chip.active {
  background: var(--series-1);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
}
.chip:hover:not(.active) { background: var(--gridline); }
.filters select {
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface-1);
  color: var(--text-primary);
}
.filters .divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 0 4px;
}
.custom-range {
  align-items: center;
}
.custom-range input[type="date"] {
  font-size: 13px;
  padding: 5px 8px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface-1);
  color: var(--text-primary);
  font-family: inherit;
}
.custom-range-sep {
  color: var(--text-muted);
  font-size: 13px;
}
.custom-range button.chip {
  cursor: pointer;
  font-family: inherit;
}

/* KPI row */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.kpi-tile {
  background: var(--surface-1);
  box-shadow: var(--shadow);
  border-radius: 12px;
  padding: 16px 18px;
}
.kpi-tile .label {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.kpi-tile .value {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
}
.kpi-tile .delta {
  font-size: 12.5px;
  margin-top: 6px;
  color: var(--text-muted);
}
.kpi-tile .delta.good { color: var(--success-text); }
.kpi-tile .delta.bad { color: var(--status-critical); }

/* Chart grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface-1);
  box-shadow: var(--shadow);
  border-radius: 12px;
  padding: 18px 20px;
}
.card h2 {
  font-size: 14px;
  margin: 0 0 2px;
}
.card .card-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* Legend */
.legend { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-secondary); }
.legend-key { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }

/* Horizontal bar rows */
.bar-list { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 150px 1fr 56px; align-items: center; gap: 10px; }
.bar-row .bar-name {
  font-size: 12.5px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bar-track {
  position: relative;
  height: 20px;
  background: var(--gridline);
  border-radius: 4px;
}
.bar-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  border-radius: 0 4px 4px 0;
  background: var(--series-1);
  transition: width .3s ease;
}
.bar-fill:hover { filter: brightness(1.08); }
.bar-row .bar-value {
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--text-primary);
  font-weight: 600;
}

/* Status-colored bars share the same track/fill geometry */
.bar-fill.status-good { background: var(--status-good); }
.bar-fill.status-warning { background: var(--status-warning); }
.bar-fill.status-serious { background: var(--status-serious); }
.bar-fill.status-critical { background: var(--status-critical); }
.bar-fill.status-muted { background: var(--text-muted); }

/* Table */
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--text-muted);
  font-weight: 600;
  padding: 6px 8px;
  border-bottom: 1px solid var(--baseline);
}
table.data-table td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--gridline);
}
table.data-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data-table tr:last-child td { border-bottom: none; }

.footer-note {
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}
.footer-note a { color: var(--text-secondary); }

/* Drill-down interactivity */
.kpi-tile.clickable, .bar-row.clickable {
  cursor: pointer;
  transition: background-color .15s ease, box-shadow .15s ease;
}
.kpi-tile.clickable:hover {
  box-shadow: 0 2px 4px rgba(31,36,48,0.07), 0 4px 14px rgba(31,36,48,0.10);
}
.bar-row.clickable {
  border-radius: 6px;
  margin: -4px -6px;
  padding: 4px 6px;
}
.bar-row.clickable:hover { background: var(--gridline); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31,36,48,0.42);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 1000;
}
.modal-dialog {
  background: var(--surface-1);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(31,36,48,0.18), 0 2px 10px rgba(31,36,48,0.10);
  width: 100%;
  max-width: 860px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gridline);
}
.modal-header h3 { margin: 0; font-size: 16px; }
.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
}
.modal-close:hover { background: var(--gridline); color: var(--text-primary); }
.modal-body {
  padding: 8px 20px 16px;
  overflow-y: auto;
  flex: 1;
}
.modal-table-wrap { overflow-x: auto; }
.modal-loading, .modal-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 0;
  font-size: 13px;
}
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--gridline);
  font-size: 12.5px;
  color: var(--text-secondary);
}
.modal-pagination { display: flex; gap: 8px; }
.modal-pagination .btn { padding: 6px 12px; font-size: 12.5px; box-shadow: none; }
.modal-pagination .btn:disabled { opacity: .4; cursor: not-allowed; }
#modalTable th {
  position: sticky;
  top: 0;
  background: var(--surface-1);
}