/* ==========================================================================
   RS Mailer - Admin Dashboard Stylesheet
   Clean, Sleek Control Panel Design System
   ========================================================================== */

:root {
  --admin-bg: #090d16;
  --admin-sidebar: #0f1523;
  --admin-card: #141c2e;
  --admin-card-hover: #1a243b;
  --admin-border: rgba(255, 255, 255, 0.08);
  --admin-primary: #6366f1;
  --admin-primary-hover: #4f46e5;
  --admin-success: #10b981;
  --admin-warning: #f59e0b;
  --admin-danger: #ef4444;
  --admin-info: #06b6d4;
  --admin-text: #f1f5f9;
  --admin-text-muted: #94a3b8;
  --admin-font: 'Outfit', 'Inter', -apple-system, sans-serif;
  --admin-mono: 'JetBrains Mono', monospace;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

/* Admin Layout */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background-color: var(--admin-sidebar);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--admin-border);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--admin-primary), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.sidebar-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.sidebar-nav {
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-grow: 1;
}

.nav-category {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 0.75rem 0.75rem 0.25rem 0.75rem;
  font-weight: 700;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  color: var(--admin-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.admin-nav-item i {
  font-size: 1.15rem;
  width: 20px;
  text-align: center;
}

.admin-nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.admin-nav-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border-left: 3px solid var(--admin-primary);
  font-weight: 600;
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-user-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--admin-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
}

.btn-logout {
  color: #ef4444;
  padding: 0.4rem;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* Main Content Area */
.admin-main {
  margin-left: 260px;
  flex-grow: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  height: 70px;
  background: rgba(15, 21, 35, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--admin-border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-content {
  padding: 2rem;
  flex-grow: 1;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.stat-info .stat-label {
  font-size: 0.85rem;
  color: var(--admin-text-muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.stat-info .stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.stat-icon.primary { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.stat-icon.success { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.stat-icon.warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.stat-icon.info { background: rgba(6, 182, 212, 0.15); color: #38bdf8; }

/* Panels & Cards */
.admin-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 14px;
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.card-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--admin-text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.form-label .required {
  color: var(--admin-danger);
}

.form-hint {
  font-size: 0.78rem;
  color: var(--admin-text-muted);
}

.form-control {
  background: #090d16;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--admin-primary);
  cursor: pointer;
}

/* Tables */
.admin-table-container {
  overflow-x: auto;
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  background: #0b101c;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.admin-table th {
  background: #0f1523;
  padding: 1rem 1.25rem;
  color: var(--admin-text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--admin-border);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.admin-table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--admin-border);
  color: var(--admin-text);
  vertical-align: middle;
}

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

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

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-primary { background: rgba(99, 102, 241, 0.2); color: #a5b4fc; border: 1px solid rgba(99, 102, 241, 0.4); }
.badge-success { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #fde68a; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.4); }

/* Password Inline Display */
.code-inline {
  font-family: var(--admin-mono);
  background: #05070a;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #38bdf8;
  font-size: 0.85rem;
}

/* Alert Boxes */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.alert-close {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Action Button Group */
.table-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--admin-border);
  background: #0f1523;
  color: var(--admin-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  color: #fff;
  background: var(--admin-primary);
  border-color: var(--admin-primary);
}

.btn-icon.danger:hover {
  background: var(--admin-danger);
  border-color: var(--admin-danger);
}

/* Login Page Specific */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at center, #141b2d 0%, #07090e 100%);
  padding: 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(99, 102, 241, 0.15);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--admin-primary), #8b5cf6);
  margin: 0 auto 1.25rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #fff;
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.4);
}

.login-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

.login-subtitle {
  font-size: 0.88rem;
  color: var(--admin-text-muted);
  margin-top: 0.35rem;
}

/* Responsive */
@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  
  .admin-sidebar.open {
    transform: translateX(0);
  }
  
  .admin-main {
    margin-left: 0;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }
}