/**
 * PDFCore Studio — Luxury Executive Admin Design System
 * Modern Slate Navy, Obsidian & Porcelain Palette with Mobile Drawer & Responsive Layouts
 */

:root, [data-theme="dark"] {
  --admin-bg: #090d16;
  --admin-sidebar: #0d1424;
  --admin-card: #131c31;
  --admin-card-hover: #18233c;
  --admin-border: rgba(148, 163, 184, 0.12);
  --admin-border-focus: rgba(229, 72, 77, 0.4);
  --admin-text: #f8fafc;
  --admin-muted: #94a3b8;
  --admin-coral: #e5484d;
  --admin-coral-glow: rgba(229, 72, 77, 0.22);
  --admin-green: #10b981;
  --admin-green-glow: rgba(16, 185, 129, 0.2);
  --admin-blue: #3b82f6;
  --admin-blue-glow: rgba(59, 130, 246, 0.2);
  --admin-yellow: #f59e0b;
  --admin-yellow-glow: rgba(245, 158, 11, 0.2);
  --admin-violet: #8b5cf6;
  --admin-violet-glow: rgba(139, 92, 246, 0.2);
  --admin-table-hover: rgba(255, 255, 255, 0.03);
  --admin-table-stripe: rgba(255, 255, 255, 0.015);
  --admin-input-bg: #070b14;
  --admin-card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.45);
}

[data-theme="light"] {
  --admin-bg: #f8fafc;
  --admin-sidebar: #ffffff;
  --admin-card: #ffffff;
  --admin-card-hover: #fcfcfd;
  --admin-border: #e2e8f0;
  --admin-border-focus: rgba(229, 72, 77, 0.4);
  --admin-text: #0f172a;
  --admin-muted: #64748b;
  --admin-coral: #e5484d;
  --admin-coral-glow: rgba(229, 72, 77, 0.15);
  --admin-green: #059669;
  --admin-green-glow: rgba(5, 150, 105, 0.15);
  --admin-blue: #2563eb;
  --admin-blue-glow: rgba(37, 99, 235, 0.15);
  --admin-yellow: #d97706;
  --admin-yellow-glow: rgba(217, 119, 6, 0.15);
  --admin-violet: #7c3aed;
  --admin-violet-glow: rgba(124, 58, 237, 0.15);
  --admin-table-hover: #f1f5f9;
  --admin-table-stripe: #f8fafc;
  --admin-input-bg: #ffffff;
  --admin-card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text);
  min-height: 100vh;
  display: flex;
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
}

.admin-layout { display: flex; width: 100%; min-height: 100vh; }

/* Sidebar Navigation */
.admin-sidebar {
  width: 275px;
  background-color: var(--admin-sidebar);
  border-right: 1px solid var(--admin-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.admin-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: var(--admin-text);
  font-weight: 800;
  font-size: 1.15rem;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--admin-border);
  margin-bottom: 20px;
  letter-spacing: -0.3px;
}

.admin-brand-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--admin-coral) 0%, #c01c28 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 2px 8px var(--admin-coral-glow);
}

.admin-sidebar-close {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  color: var(--admin-text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
}

.admin-sidebar-close:hover {
  border-color: var(--admin-coral);
  color: var(--admin-coral);
}

.admin-nav { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--admin-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.15s ease;
}
.admin-nav-item:hover {
  background-color: rgba(229, 72, 77, 0.08);
  color: var(--admin-coral);
  transform: translateX(3px);
}
.admin-nav-item.active {
  background: linear-gradient(135deg, var(--admin-coral) 0%, #c01c28 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--admin-coral-glow);
}

/* Redesigned Executive Profile Card in Sidebar */
.admin-user-card {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.admin-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--admin-coral);
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}
.admin-user-info { flex: 1; min-width: 0; }
.admin-user-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--admin-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-user-role {
  font-size: 0.75rem;
  color: var(--admin-muted);
  font-weight: 600;
}
.admin-logout-btn {
  background: transparent;
  border: none;
  color: var(--admin-muted);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
.admin-logout-btn:hover {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
  transform: scale(1.08);
}

.admin-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* Topbar Header */
.admin-topbar {
  height: 64px;
  border-bottom: 1px solid var(--admin-border);
  background-color: var(--admin-sidebar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.admin-topbar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--admin-text);
  letter-spacing: -0.01em;
  margin: 0;
}

.admin-hamburger,
.admin-theme-btn {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  width: 42px;
  height: 42px;
  min-width: 42px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--admin-text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
  padding: 0;
  box-sizing: border-box;
}

.admin-hamburger:hover,
.admin-theme-btn:hover {
  border-color: var(--admin-coral);
  color: var(--admin-coral);
  transform: translateY(-1px);
}

.admin-content { padding: 32px; flex: 1; }

/* Stat Cards & KPI Grid */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.metric-card {
  background-color: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 22px;
  box-shadow: var(--admin-card-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}
.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(148, 163, 184, 0.25);
}

/* Glowing Top Border Highlights */
.metric-card-mrr::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--admin-green), transparent);
}
.metric-card-arr::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #14b8a6, transparent);
}
.metric-card-users::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--admin-blue), transparent);
}
.metric-card-subs::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--admin-coral), transparent);
}
.metric-card-founders::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--admin-yellow), transparent);
}
.metric-card-leads::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--admin-violet), transparent);
}

.metric-title {
  font-size: 0.8rem;
  color: var(--admin-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.6px;
}
.metric-value {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--admin-text);
  margin: 8px 0;
  letter-spacing: -0.5px;
}
.metric-sub { font-size: 0.82rem; color: var(--admin-muted); }

/* Main Admin Card Panels */
.admin-card {
  background-color: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--admin-card-shadow);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.admin-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  letter-spacing: -0.2px;
  flex-wrap: wrap;
  gap: 10px;
}

/* Form Controls & Labels */
.admin-form-group {
  margin-bottom: 18px;
}
.admin-form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--admin-muted);
  margin-bottom: 6px;
}
.admin-form-control {
  width: 100%;
  background-color: var(--admin-input-bg);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--admin-text);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.admin-form-control:focus {
  border-color: var(--admin-coral);
  box-shadow: 0 0 0 3px var(--admin-coral-glow);
}

/* Responsive Table Wrapper */
.admin-table-container {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
}

/* Polished Tables */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
  min-width: 600px;
}
.admin-table th {
  padding: 12px 16px;
  border-bottom: 1px solid var(--admin-border);
  color: var(--admin-muted);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--admin-sidebar);
}
.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-border);
  color: var(--admin-text);
  vertical-align: middle;
}
.admin-table tr:hover td {
  background-color: var(--admin-table-hover);
}

/* Status Pill Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-coral { background: rgba(229, 72, 77, 0.12); color: var(--admin-coral); border: 1px solid rgba(229, 72, 77, 0.25); }
.badge-green { background: rgba(16, 185, 129, 0.12); color: var(--admin-green); border: 1px solid rgba(16, 185, 129, 0.25); }
.badge-blue { background: rgba(59, 130, 246, 0.12); color: var(--admin-blue); border: 1px solid rgba(59, 130, 246, 0.25); }
.badge-yellow { background: rgba(245, 158, 11, 0.12); color: var(--admin-yellow); border: 1px solid rgba(245, 158, 11, 0.25); }
.badge-violet { background: rgba(139, 92, 246, 0.12); color: var(--admin-violet); border: 1px solid rgba(139, 92, 246, 0.25); }
.badge-gray { background: rgba(148, 163, 184, 0.12); color: var(--admin-muted); border: 1px solid var(--admin-border); }

/* Luxury Buttons */
.btn-admin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.18s ease;
  text-decoration: none;
}
.btn-admin-coral {
  background: var(--admin-coral);
  color: #ffffff;
  box-shadow: 0 2px 8px var(--admin-coral-glow);
}
.btn-admin-coral:hover {
  background: #d0373c;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--admin-coral-glow);
}
.btn-admin-blue {
  background: rgba(59, 130, 246, 0.12);
  color: var(--admin-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}
.btn-admin-blue:hover {
  background: var(--admin-blue);
  color: #ffffff;
  transform: translateY(-1px);
}
.btn-admin-yellow {
  background: rgba(245, 158, 11, 0.12);
  color: var(--admin-yellow);
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.btn-admin-yellow:hover {
  background: var(--admin-yellow);
  color: #ffffff;
  transform: translateY(-1px);
}
.btn-admin-green {
  background: rgba(16, 185, 129, 0.12);
  color: var(--admin-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.btn-admin-green:hover {
  background: var(--admin-green);
  color: #ffffff;
  transform: translateY(-1px);
}
.btn-admin-secondary {
  background: var(--admin-card);
  border-color: var(--admin-border);
  color: var(--admin-text);
}
.btn-admin-secondary:hover {
  border-color: var(--admin-coral);
  color: var(--admin-coral);
  transform: translateY(-1px);
}
.btn-admin-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.btn-admin-danger:hover {
  background: #ef4444;
  color: #ffffff;
  transform: translateY(-1px);
}

/* Modern Form Controls */
input[type="text"], input[type="email"], input[type="search"], select {
  background-color: var(--admin-input-bg);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--admin-text);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input:focus, select:focus {
  border-color: var(--admin-coral);
  box-shadow: 0 0 0 3px var(--admin-coral-glow);
}

/* Code Snippets */
code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.85rem;
  background: rgba(148, 163, 184, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--admin-text);
}

/* ==============================================================================
   COMPREHENSIVE MOBILE RESPONSIVENESS & OFF-CANVAS DRAWER (< 900px)
   ============================================================================== */
.admin-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(3px);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.admin-sidebar-backdrop.active {
  display: block;
  opacity: 1;
}

@media (max-width: 900px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    bottom: 0;
    width: 300px;
    z-index: 999;
    box-shadow: 8px 0 36px rgba(0, 0, 0, 0.5);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px 16px;
  }
  .admin-sidebar.mobile-open {
    left: 0;
  }
  .admin-sidebar-close {
    display: flex !important;
  }
  .admin-topbar {
    padding: 0 16px;
    height: 64px;
  }
  .admin-topbar-title {
    font-size: 0.95rem;
  }
  .admin-content {
    padding: 20px 16px;
  }
  .admin-hamburger {
    display: inline-flex !important;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}

@media (max-width: 580px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }
  .admin-card {
    padding: 16px;
  }
  .metric-value {
    font-size: 1.6rem;
  }
  .badge {
    font-size: 0.7rem;
    padding: 4px 8px;
  }
}