/* 
 * Admin Dashboard Styles - BRIGHT MODERN THEME
 * Trường Tiểu học Trưng Nữ Vương
 */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,700&display=swap');

:root {
  --admin-bg: #f8fafc;
  --admin-card: rgba(255, 255, 255, 0.95);
  --admin-border: #e2e8f0;
  --admin-gold: #d97706;
  --admin-blue: #2563eb;
  --admin-green: #059669;
  --admin-red: #dc2626;
  --admin-purple: #7c3aed;
  --font-heading: 'Be Vietnam Pro', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at 10% 10%, #fffbeb 0%, var(--admin-bg) 60%, #f1f5f9 100%);
  color: #0f172a;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.admin-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 28px;
  background: #ffffff;
  border-bottom: 2px solid #fde68a;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  padding: 2px;
  object-fit: contain;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.admin-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
}

.admin-subtitle {
  font-size: 0.85rem;
  color: var(--admin-gold);
  font-weight: 700;
}

.admin-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-nav {
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--admin-border);
  background: #ffffff;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: all 0.2s;
}

.btn-nav:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.btn-nav-primary {
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
}
.btn-nav-primary:hover {
  filter: brightness(1.1);
}

/* Layout */
.admin-container {
  max-width: 1540px;
  margin: 0 auto;
  padding: 20px;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Navigation Tabs */
.admin-tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 10px;
  overflow-x: auto;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: #ffffff;
  color: #64748b;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-btn:hover {
  color: #0f172a;
  background: #f8fafc;
}

.tab-btn.active {
  background: #fef3c7;
  border-color: #fcd34d;
  color: #b45309;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.15);
}

/* Tab Panels */
.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Admin Card Component */
.admin-card {
  background: var(--admin-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--admin-border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 14px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Filter Toolbar */
.filter-toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 240px;
  padding: 10px 16px;
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  color: #0f172a;
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: #f59e0b;
}

.filter-select {
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  color: #0f172a;
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

/* Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--admin-border);
  background: #ffffff;
}

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

.admin-table th {
  background: #f8fafc;
  color: #64748b;
  font-weight: 800;
  padding: 14px 16px;
  border-bottom: 2px solid var(--admin-border);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: #fffbeb;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 800;
}

.badge-eligible {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

.badge-won {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.badge-absent {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.badge-dept {
  background: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}

/* Action Buttons in Table */
.btn-action-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid var(--admin-border);
  color: #0f172a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-action-icon:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

.btn-action-delete:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #dc2626;
}

/* Gifts Cards Grid */
.gifts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.gift-admin-card {
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 20px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.25s;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.gift-admin-card.active-gift {
  border: 2px solid #f59e0b;
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.25);
  background: #fffbeb;
}

.gift-admin-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gift-admin-icon {
  font-size: 2.2rem;
}

.gift-admin-details {
  flex: 1;
}

.gift-admin-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
}

.gift-admin-meta {
  font-size: 0.85rem;
  color: #64748b;
}

.gift-admin-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

/* Remote Controller Center */
.remote-controller-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.remote-panel {
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 24px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.remote-giant-btn {
  padding: 20px;
  border-radius: 20px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  background: linear-gradient(135deg, #f59e0b, #ea580c, #dc2626);
  border: 2px solid #fef08a;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(234, 88, 12, 0.35);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.remote-giant-btn:hover {
  transform: scale(1.03);
  filter: brightness(1.1);
}

/* Form Styles */
.admin-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.admin-form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #334155;
}

.admin-form-input {
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  color: #0f172a;
  font-size: 0.92rem;
  outline: none;
}

.admin-form-input:focus {
  border-color: #f59e0b;
}

/* Login Overlay */
.login-screen-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 20px;
}

.login-screen-card {
  background: #ffffff;
  border: 2px solid #fde68a;
  border-radius: 28px;
  width: 100%;
  max-width: 440px;
  padding: 36px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15), 0 0 35px rgba(245, 158, 11, 0.2);
}

@media (max-width: 768px) {
  .admin-container {
    padding: 12px;
  }
  .remote-controller-grid {
    grid-template-columns: 1fr;
  }
}