/* ==========================================================================
   ADMIN PORTAL STYLESHEET
   Clean Executive Dashboard for Subscription, Orders & Invoices Management
   ========================================================================== */

:root {
  --admin-bg: #0b0f19;
  --admin-surface: #111827;
  --admin-surface-light: #1f2937;
  --admin-border: #374151;
  --admin-text: #f9fafb;
  --admin-muted: #9ca3af;
  --admin-blue: #0284c7;
  --admin-green: #10b981;
  --admin-purple: #8b5cf6;
  --admin-yellow: #f59e0b;
  --admin-red: #ef4444;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.admin-header {
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.admin-brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0284c7, #10b981);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
}

.admin-brand-title {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
}

.admin-brand-sub {
  font-size: 11px;
  color: var(--admin-muted);
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--admin-surface-light);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  border: 1px solid var(--admin-border);
}

.admin-role-badge {
  background: rgba(16, 185, 129, 0.2);
  color: var(--admin-green);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.btn-header-link {
  color: var(--admin-muted);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s;
}

.btn-header-link:hover {
  color: #ffffff;
}

/* Layout */
.admin-container {
  max-width: 1380px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 24px 60px;
  flex: 1;
}

/* KPI Metrics Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

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

@media (max-width: 600px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}

.kpi-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--admin-blue);
}

.kpi-card.green::before { background: var(--admin-green); }
.kpi-card.purple::before { background: var(--admin-purple); }
.kpi-card.yellow::before { background: var(--admin-yellow); }

.kpi-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.kpi-subtext {
  font-size: 12px;
  color: var(--admin-muted);
}

/* Navigation Tabs */
.admin-tabs-row {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--admin-border);
  margin-bottom: 24px;
  overflow-x: auto;
}

.admin-tab-btn {
  background: transparent;
  border: none;
  color: var(--admin-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}

.admin-tab-btn:hover {
  color: #ffffff;
}

.admin-tab-btn.active {
  color: #38bdf8;
  border-bottom-color: #38bdf8;
}

.tab-count-badge {
  background: var(--admin-surface-light);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  color: #ffffff;
}

/* Toolbar & Filters */
.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.admin-search-input {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  color: white;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  width: 320px;
  outline: none;
}

.admin-search-input:focus {
  border-color: #38bdf8;
}

.admin-filter-select {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  color: white;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  outline: none;
}

/* Data Tables */
.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.table-responsive {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.admin-table th {
  background: #141c2c;
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--admin-muted);
  border-bottom: 1px solid var(--admin-border);
  letter-spacing: 0.04em;
}

.admin-table td {
  padding: 16px 18px;
  font-size: 13.5px;
  border-bottom: 1px solid rgba(55, 65, 81, 0.5);
  color: #e5e7eb;
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-active {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-paid {
  background: rgba(2, 132, 199, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.3);
}

.badge-upcoming {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-cancelled {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.product-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.tag-bundle {
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
}

.tag-drclinic {
  background: rgba(2, 132, 199, 0.2);
  color: #7dd3fc;
}

.tag-whapp {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}

/* Buttons */
.btn-action {
  background: var(--admin-surface-light);
  border: 1px solid var(--admin-border);
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-action:hover {
  background: #374151;
  border-color: #4b5563;
}

.btn-action-primary {
  background: var(--admin-blue);
  border-color: var(--admin-blue);
}

.btn-action-primary:hover {
  background: #0284c7;
}

.btn-action-green {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.4);
}

.btn-action-green:hover {
  background: #10b981;
  color: #071b12;
}

/* Modal Overlay */
.admin-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.admin-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.admin-modal-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.admin-modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-modal-body {
  padding: 24px;
}

/* Login Card */
.admin-login-wrapper {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.admin-login-box {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  max-width: 420px;
  width: 100%;
  padding: 36px 30px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}