/* OVIA Stage 18E - UI Polish + Interaction Upgrade */
:root {
  --ovia-bg: #f6f8fb;
  --ovia-surface: #ffffff;
  --ovia-text: #111827;
  --ovia-muted: #667085;
  --ovia-line: #e5e7eb;
  --ovia-primary: #2563eb;
  --ovia-primary-dark: #1d4ed8;
  --ovia-success-bg: #ecfdf3;
  --ovia-success-text: #027a48;
  --ovia-warning-bg: #fffaeb;
  --ovia-warning-text: #b54708;
  --ovia-danger-bg: #fef3f2;
  --ovia-danger-text: #b42318;
  --ovia-info-bg: #eff6ff;
  --ovia-info-text: #1d4ed8;
  --ovia-radius: 18px;
  --ovia-shadow: 0 12px 30px rgba(15, 23, 42, .08);
}

body {
  background: var(--ovia-bg);
}

.ovia-page,
.page-modern,
.admin-page,
.dashboard-page {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

.ovia-page-header,
.modern-page-header,
.page-header-modern {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
  padding: 22px 24px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid var(--ovia-line);
  border-radius: 24px;
  box-shadow: var(--ovia-shadow);
}

.ovia-page-header h1,
.modern-page-header h1,
.page-header-modern h1 {
  margin: 0;
  font-size: clamp(24px, 2.5vw, 34px);
  line-height: 1.1;
  color: var(--ovia-text);
  letter-spacing: -0.03em;
}

.ovia-page-header p,
.modern-page-header p,
.page-header-modern p,
.ovia-subtitle {
  margin: 8px 0 0;
  color: var(--ovia-muted);
  font-size: 15px;
  line-height: 1.55;
}

.ovia-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.ovia-kpi-grid,
.kpi-grid,
.stats-grid,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.ovia-kpi-card,
.kpi-card,
.stat-card,
.metric-card {
  background: var(--ovia-surface);
  border: 1px solid var(--ovia-line);
  border-radius: var(--ovia-radius);
  box-shadow: 0 8px 22px rgba(15, 23, 42, .06);
  padding: 18px;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ovia-kpi-label,
.kpi-label,
.stat-label,
.metric-label {
  color: var(--ovia-muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.ovia-kpi-value,
.kpi-value,
.stat-value,
.metric-value {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 900;
  color: var(--ovia-text);
  letter-spacing: -0.04em;
  margin-top: 8px;
}

.ovia-kpi-note,
.kpi-note,
.stat-note,
.metric-note {
  color: var(--ovia-muted);
  font-size: 13px;
  margin-top: 4px;
}

.ovia-card,
.modern-card,
.panel-card,
.content-card,
.admin-card {
  background: var(--ovia-surface);
  border: 1px solid var(--ovia-line);
  border-radius: var(--ovia-radius);
  box-shadow: 0 8px 22px rgba(15, 23, 42, .06);
  padding: 20px;
  margin-bottom: 18px;
}

.ovia-card h2,
.modern-card h2,
.panel-card h2,
.content-card h2,
.admin-card h2 {
  margin: 0 0 10px;
  color: var(--ovia-text);
  font-size: 20px;
  letter-spacing: -0.02em;
}

.ovia-card p,
.modern-card p,
.panel-card p,
.content-card p,
.admin-card p {
  color: var(--ovia-muted);
  line-height: 1.6;
}

.ovia-table-wrap,
.table-responsive,
.responsive-table {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--ovia-line);
  border-radius: 16px;
  background: #fff;
}

.ovia-table,
table.modern-table,
.table-modern,
.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.ovia-table th,
table.modern-table th,
.table-modern th,
.data-table th {
  background: #f9fafb;
  color: #344054;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--ovia-line);
}

.ovia-table td,
table.modern-table td,
.table-modern td,
.data-table td {
  padding: 14px;
  border-bottom: 1px solid #eef2f7;
  color: #1f2937;
  vertical-align: top;
}

.ovia-table tr:hover td,
table.modern-table tr:hover td,
.table-modern tr:hover td,
.data-table tr:hover td {
  background: #f8fafc;
}

.ovia-btn,
.btn,
.button,
button {
  border-radius: 12px;
  min-height: 42px;
  padding: 10px 15px;
  font-weight: 800;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.ovia-btn:hover,
.btn:hover,
.button:hover,
button:hover {
  transform: translateY(-1px);
}

.ovia-btn-primary,
.btn-primary,
button.primary {
  background: var(--ovia-primary);
  color: #fff;
  border-color: var(--ovia-primary);
  box-shadow: 0 8px 18px rgba(37, 99, 235, .22);
}

.ovia-btn-primary:hover,
.btn-primary:hover,
button.primary:hover {
  background: var(--ovia-primary-dark);
}

.ovia-btn-secondary,
.btn-secondary {
  background: #fff;
  color: #344054;
  border-color: var(--ovia-line);
}

.ovia-btn-danger,
.btn-danger {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
}

.ovia-badge,
.badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.ovia-badge-success,
.badge-success,
.status-success {
  background: var(--ovia-success-bg);
  color: var(--ovia-success-text);
}

.ovia-badge-warning,
.badge-warning,
.status-warning {
  background: var(--ovia-warning-bg);
  color: var(--ovia-warning-text);
}

.ovia-badge-danger,
.badge-danger,
.status-danger {
  background: var(--ovia-danger-bg);
  color: var(--ovia-danger-text);
}

.ovia-badge-info,
.badge-info,
.status-info {
  background: var(--ovia-info-bg);
  color: var(--ovia-info-text);
}

.ovia-empty,
.empty-state,
.no-data {
  border: 1px dashed #cbd5e1;
  background: #f8fafc;
  border-radius: 18px;
  padding: 28px;
  text-align: center;
  color: var(--ovia-muted);
}

.ovia-empty strong,
.empty-state strong {
  display: block;
  color: var(--ovia-text);
  margin-bottom: 6px;
  font-size: 16px;
}

.ovia-alert {
  padding: 14px 16px;
  border-radius: 14px;
  margin: 0 0 16px;
  border: 1px solid var(--ovia-line);
}

.ovia-alert.success { background: var(--ovia-success-bg); color: var(--ovia-success-text); border-color: #abefc6; }
.ovia-alert.warning { background: var(--ovia-warning-bg); color: var(--ovia-warning-text); border-color: #fedf89; }
.ovia-alert.danger { background: var(--ovia-danger-bg); color: var(--ovia-danger-text); border-color: #fecdca; }
.ovia-alert.info { background: var(--ovia-info-bg); color: var(--ovia-info-text); border-color: #bfdbfe; }

@media (max-width: 1100px) {
  .ovia-kpi-grid,
  .kpi-grid,
  .stats-grid,
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .ovia-page,
  .page-modern,
  .admin-page,
  .dashboard-page {
    padding: 14px;
  }

  .ovia-page-header,
  .modern-page-header,
  .page-header-modern {
    flex-direction: column;
    padding: 18px;
  }

  .ovia-actions {
    width: 100%;
    justify-content: stretch;
  }

  .ovia-actions .ovia-btn,
  .ovia-actions .btn,
  .ovia-actions button {
    width: 100%;
  }

  .ovia-kpi-grid,
  .kpi-grid,
  .stats-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .ovia-card,
  .modern-card,
  .panel-card,
  .content-card,
  .admin-card {
    padding: 16px;
  }
}