/**
 * ==========================================================================
 * LINEUPLOGIC - ADMIN STYLESHEET
 * ==========================================================================
 * Specific styles for the Admin Panel layout, tables, forms, and login.
 */

/* ==========================================================================
   ADMIN LAYOUT
   ========================================================================== */
.admin-body {
  background-color: var(--color-bg);
  display: flex;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text);
}

/* Admin Sidebar */
.admin-sidebar {
  width: 260px;
  background: var(--color-bg-2);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: var(--z-drawer);
  transition: transform var(--transition-normal);
}

.admin-sidebar__header {
  height: 70px;
  padding: 0 var(--spacing-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
}

.admin-sidebar__logo {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  border-radius: var(--radius-sm);
}

.admin-sidebar__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.admin-nav {
  padding: var(--spacing-4) 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.admin-nav__label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-3);
  padding: var(--spacing-4) var(--spacing-6) var(--spacing-2);
  font-weight: 600;
}

.admin-nav__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-6);
  color: var(--color-text-2);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-weight: 500;
  font-size: var(--font-size-sm);
  border-left: 3px solid transparent;
}

.admin-nav__item:hover {
  background: rgba(255,255,255,0.03);
  color: var(--color-text);
}

.admin-nav__item.active {
  background: rgba(124, 58, 237, 0.1);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

.admin-nav__icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
}

.admin-sidebar__footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-border);
}

.admin-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.admin-user__avatar {
  width: 32px;
  height: 32px;
  background: var(--color-bg-3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  border: 1px solid var(--color-border);
}

.admin-user__info {
  flex: 1;
  min-width: 0;
}

.admin-user__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

.admin-user__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-3);
  margin: 0;
}

/* Admin Main Content */
.admin-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin var(--transition-normal);
}

.admin-header {
  height: 70px;
  background: rgba(13, 13, 31, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-6);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.admin-header__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

.admin-header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.admin-content {
  padding: var(--spacing-6);
  flex: 1;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.admin-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--spacing-6);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.admin-page-title {
  margin: 0;
  font-size: var(--font-size-3xl);
}

.admin-page-desc {
  margin: var(--spacing-1) 0 0 0;
  color: var(--color-text-2);
}

@media (max-width: 1024px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.is-open {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
  }
  .admin-mobile-toggle {
    display: block;
  }
}

/* ==========================================================================
   ADMIN LOGIN
   ========================================================================== */
.admin-login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
              radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
              var(--color-bg);
}

.admin-login {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8) var(--spacing-6);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.admin-login::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
}

.admin-login__icon {
  width: 64px;
  height: 64px;
  background: rgba(124, 58, 237, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-6);
  color: var(--color-accent);
  font-size: 2rem;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.admin-login h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-2);
}

.admin-login p {
  color: var(--color-text-3);
  margin-bottom: var(--spacing-8);
}

.admin-login .form-group {
  text-align: left;
}

.password-wrapper {
  position: relative;
}

.password-wrapper input {
  padding-right: 40px;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-3);
  cursor: pointer;
  padding: 4px;
  display: flex;
}

.password-toggle:hover {
  color: var(--color-text);
}

/* ==========================================================================
   ADMIN CARDS & STATS
   ========================================================================== */
.admin-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-5);
  margin-bottom: var(--spacing-6);
}

.admin-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--color-border);
}

.admin-card__title {
  font-size: var(--font-size-lg);
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-8);
}

.stat-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-5);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  transition: transform var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--color-border);
  transition: background var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-hover);
}

.stat-card:hover::after {
  background: var(--color-accent);
}

.stat-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-card--success .stat-card__icon {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.stat-card--info .stat-card__icon {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-accent-2);
}

.stat-card--warning .stat-card__icon {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.stat-card__info {
  flex: 1;
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-2);
  margin-bottom: 4px;
  font-weight: 500;
}

.stat-card__value {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.stat-card__trend {
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

.trend-up { color: var(--color-success); }
.trend-down { color: var(--color-error); }

/* ==========================================================================
   ADMIN TABLES
   ========================================================================== */
.admin-table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.table-responsive {
  overflow-x: auto;
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
}

.admin-table th,
.admin-table td {
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
}

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

.admin-table th {
  background: var(--color-bg-3);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--color-text-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.admin-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

.admin-table th.sortable:hover {
  color: var(--color-text);
}

.admin-table th.sortable::after {
  content: '↕';
  margin-left: 4px;
  opacity: 0.3;
}

.admin-table th.sortable.asc::after { content: '↑'; opacity: 1; color: var(--color-accent); }
.admin-table th.sortable.desc::after { content: '↓'; opacity: 1; color: var(--color-accent); }

.admin-table tbody tr {
  transition: background var(--transition-fast);
}

.admin-table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

.admin-table td {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  vertical-align: middle;
}

.td-muted { color: var(--color-text-3); }
.td-bold { font-weight: 600; }

.table-actions {
  display: flex;
  gap: var(--spacing-2);
  justify-content: flex-end;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-2);
}

.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-2);
}

.pagination-controls {
  display: flex;
  gap: var(--spacing-1);
}

.page-btn {
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  min-width: 32px;
  height: 32px;
  padding: 0 var(--spacing-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  background: var(--color-bg-2);
  border-color: var(--color-text-3);
}

.page-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==========================================================================
   ADMIN FORMS
   ========================================================================== */
.admin-form-section {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-6);
  overflow: hidden;
}

.admin-form-header {
  padding: var(--spacing-4) var(--spacing-5);
  background: var(--color-bg-3);
  border-bottom: 1px solid var(--color-border);
}

.admin-form-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.admin-form-body {
  padding: var(--spacing-5);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-5);
}

@media (min-width: 768px) {
  .admin-form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.admin-form-footer {
  padding: var(--spacing-4) var(--spacing-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-3);
  background: var(--color-bg-3);
}

.form-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
}

.form-toggle input {
  display: none;
}

.toggle-slider {
  width: 44px;
  height: 24px;
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  position: relative;
  transition: all var(--transition-fast);
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-text-2);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.form-toggle input:checked + .toggle-slider {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.form-toggle input:checked + .toggle-slider::after {
  transform: translateX(20px);
  background: #fff;
}

/* Flash Messages */
.flash-message {
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-5);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
  animation: slideDown 0.3s ease;
}

.flash-message--success {
  background: var(--color-success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
}

.flash-message--error {
  background: var(--color-error-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-error);
}

.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 1.2em;
  height: 1.2em;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  top: 50%;
  left: 50%;
  margin-top: -0.6em;
  margin-left: -0.6em;
}