:root {
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-border: #e2e6ec;
  --color-text: #1c2430;
  --color-text-muted: #667085;
  --color-primary: #2154cc;
  --color-primary-dark: #163a8f;
  --color-on-track: #1a8b4c;
  --color-on-track-bg: #e5f6ec;
  --color-need-attention: #b57b00;
  --color-need-attention-bg: #fff4e0;
  --color-critical: #c22b2b;
  --color-critical-bg: #fdeaea;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.45;
}

.hidden { display: none !important; }

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

/* Topbar */
.topbar {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; letter-spacing: 0.5px;
  flex-shrink: 0;
}
.brand-text h1 { font-size: 18px; margin: 0; }
.brand-text p { font-size: 12px; margin: 2px 0 0; opacity: 0.85; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.data-status { font-size: 12px; opacity: 0.9; }
.topbar-logo {
  height: 44px;
  width: 44px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

/* Buttons */
.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn-ghost {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.22); }
.btn-secondary {
  background: #fff;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-icon {
  background: transparent; border: none; font-size: 20px; line-height: 1;
  color: var(--color-text-muted); cursor: pointer; padding: 4px 8px;
}
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }

/* Panels */
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 20px;
}
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.panel-header h2 { font-size: 15px; margin: 0; }
.panel-note { font-size: 12.5px; color: var(--color-text-muted); margin: 4px 0 14px; }
.panel-subheading { font-size: 13px; margin: 18px 0 6px; color: var(--color-text); border-top: 1px solid var(--color-border); padding-top: 14px; }
.panel-subheading:first-of-type { border-top: none; padding-top: 0; margin-top: 4px; }
.export-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }

/* Filters */
.filter-panel { margin-top: 18px; }
.filter-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr) auto;
  gap: 14px;
  align-items: end;
}
.filter-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.filter-field label { font-size: 11.5px; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.filter-field select {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 13px;
  color: var(--color-text);
  min-width: 0;
}
.filter-reset { justify-content: end; }

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-label { font-size: 12px; color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.kpi-value { font-size: 26px; font-weight: 700; color: var(--color-text); }
.kpi-sub { font-size: 12px; color: var(--color-text-muted); min-height: 15px; }
.kpi-sub.positive { color: var(--color-on-track); }
.kpi-sub.negative { color: var(--color-critical); }

/* Secondary stat strip */
.stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.stat-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--color-text-muted);
}
.stat-chip strong { color: var(--color-text); font-size: 13px; }
.status-chip.on-track { background: var(--color-on-track-bg); color: var(--color-on-track); border-color: transparent; }
.status-chip.on-track strong { color: var(--color-on-track); }
.status-chip.need-attention { background: var(--color-need-attention-bg); color: var(--color-need-attention); border-color: transparent; }
.status-chip.need-attention strong { color: var(--color-need-attention); }
.status-chip.critical { background: var(--color-critical-bg); color: var(--color-critical); border-color: transparent; }
.status-chip.critical strong { color: var(--color-critical); }

/* State banners */
.state-banner {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 34px 20px;
  text-align: center;
  color: var(--color-text-muted);
  margin: 20px 0;
}
.error-state { border-color: var(--color-critical); background: var(--color-critical-bg); color: var(--color-critical); }
.empty-state { border-style: dashed; }
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto 12px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Charts */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.chart-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.chart-card h3 { font-size: 13.5px; margin: 0 0 12px; color: var(--color-text); }
.chart-wrap { position: relative; height: 260px; }

/* Performance cards */
.performance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
  margin-top: 10px;
}
.perf-card {
  border-radius: 10px;
  padding: 14px;
  border: 1px solid var(--color-border);
}
.perf-card .perf-region { font-size: 12.5px; font-weight: 700; margin-bottom: 6px; }
.perf-card .perf-value { font-size: 22px; font-weight: 700; }
.perf-card .perf-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.perf-card.on-track { background: var(--color-on-track-bg); }
.perf-card.on-track .perf-badge { background: var(--color-on-track); color: #fff; }
.perf-card.need-attention { background: var(--color-need-attention-bg); }
.perf-card.need-attention .perf-badge { background: var(--color-need-attention); color: #fff; }
.perf-card.critical { background: var(--color-critical-bg); }
.perf-card.critical .perf-badge { background: var(--color-critical); color: #fff; }

/* Table */
.table-header { flex-wrap: wrap; gap: 10px; }
.table-controls { display: flex; gap: 10px; align-items: center; }
#tableSearch {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-size: 13px;
  min-width: 240px;
}
.table-scroll { overflow-x: auto; margin-top: 10px; }
#detailTable { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 900px; }
#detailTable thead th {
  text-align: left;
  padding: 10px 10px;
  background: #f5f7fa;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  color: var(--color-text-muted);
  font-weight: 700;
}
#detailTable thead th:hover { color: var(--color-primary); }
#detailTable thead th.sorted::after { content: " \25BE"; }
#detailTable thead th.sorted.asc::after { content: " \25B4"; }
#detailTable tbody td { padding: 9px 10px; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
#detailTable tbody tr:hover { background: #fafbfc; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.badge.on-track { background: var(--color-on-track-bg); color: var(--color-on-track); }
.badge.need-attention { background: var(--color-need-attention-bg); color: var(--color-need-attention); }
.badge.critical { background: var(--color-critical-bg); color: var(--color-critical); }

.row-actions { display: flex; gap: 6px; white-space: nowrap; }
.action-btn {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 6px;
  padding: 4px 9px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
}
.action-btn.edit:hover { border-color: var(--color-primary); color: var(--color-primary); }
.action-btn.delete:hover { border-color: var(--color-critical); color: var(--color-critical); }

.table-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; flex-wrap: wrap; gap: 10px; }
.table-footer span { font-size: 12px; color: var(--color-text-muted); }
.pagination { display: flex; gap: 6px; }
.pagination button {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
}
.pagination button.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* Upload panel */
.upload-panel { border-color: var(--color-primary); }
.upload-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.upload-card { border: 1px solid var(--color-border); border-radius: 10px; padding: 14px; }
.upload-card h3 { margin: 0 0 6px; font-size: 13.5px; }
.upload-card p { margin: 0 0 10px; font-size: 11.5px; color: var(--color-text-muted); }
.upload-status { margin-top: 10px; font-size: 12px; }
.upload-status.ok { color: var(--color-on-track); }
.upload-status.error { color: var(--color-critical); }
.upload-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; flex-wrap: wrap; gap: 10px; }
.upload-history { font-size: 11.5px; color: var(--color-text-muted); }

/* Data form modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(16, 24, 40, 0.5);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
  z-index: 50;
}
.modal-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(16,24,40,0.25);
  max-width: 720px;
  width: 100%;
  padding: 20px 22px 24px;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 14px;
}
.form-field { display: flex; flex-direction: column; gap: 5px; }
.form-field label { font-size: 11.5px; font-weight: 600; color: var(--color-text-muted); }
.form-field input {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-size: 13px;
}
.form-error { color: var(--color-critical); font-size: 12.5px; margin: 14px 0 0; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* Footer */
.site-footer { text-align: center; padding: 18px; font-size: 11.5px; color: var(--color-text-muted); }

/* Responsive */
@media (max-width: 1080px) {
  .chart-grid { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .upload-grid { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-reset { grid-column: span 2; justify-content: stretch; }
  .filter-reset .btn { width: 100%; }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .topbar-logo { height: 36px; width: 36px; }
}
@media (max-width: 480px) {
  .container { padding: 14px 14px 40px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kpi-value { font-size: 21px; }
  .filter-grid { grid-template-columns: 1fr; }
  .filter-reset { grid-column: span 1; }
  .topbar-inner { flex-direction: column; align-items: flex-start; }
  .table-controls { width: 100%; flex-wrap: wrap; }
  #tableSearch { flex: 1; min-width: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .modal-overlay { padding: 16px; }
}