/* ==========================================
   Dashboard Giói Café — Ever Growth
   ========================================== */

:root {
  --color-bg: #0f1117;
  --color-surface: #1a1d2e;
  --color-border: #2a2d3e;
  --color-text: #e0e0e6;
  --color-text-muted: #8b8fa3;
  --color-accent: #6366f1;
  --color-accent-glow: rgba(99, 102, 241, 0.12);
  --color-green: #22c55e;
  --color-white: #ffffff;
  --radius: 12px;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* --- Header --- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.header__brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
}

.header__tag {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.header__period {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

/* --- Dashboard --- */
.dashboard {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

/* --- Loading --- */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 0;
  color: var(--color-text-muted);
}

.loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Error --- */
.error {
  text-align: center;
  padding: 60px 0;
}

.error__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.error__msg {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.btn {
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover { opacity: 0.85; }

/* --- KPI Cards --- */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.2s;
}

.kpi-card:hover {
  border-color: var(--color-accent);
}

.kpi-card__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.kpi-card__value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
}

.kpi-card__sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- Section Title --- */
.section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

/* --- Table --- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table th {
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--color-accent-glow);
}

.table .number {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* --- Footer --- */
.dashboard-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.dashboard-footer p + p {
  margin-top: 4px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
    padding: 20px;
  }

  .dashboard {
    padding: 20px;
  }

  .kpis {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .kpi-card {
    padding: 16px;
  }

  .kpi-card__value {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .kpis {
    grid-template-columns: 1fr;
  }
}