/* Admin Panel - Professional Design */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #E50914;
    --primary-dark: #b20710;
    --secondary: #564d4d;
    --success: #4CAF50;
    --warning: #FFC107;
    --danger: #f44336;
    --info: #2196F3;
    --dark: #1a1a1a;
    --darker: #0a0a0a;
    --light: #f5f5f5;
    --text: #ffffff;
    --text-muted: #b3b3b3;
    --border: rgba(255,255,255,0.1);
    --sidebar-width: 260px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--darker);
    color: var(--text);
    line-height: 1.6;
}

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

.admin-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    background: var(--darker);
}

/* Sidebar */
.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.sidebar-header img {
    max-width: 120px;
    margin-bottom: 10px;
}

.sidebar-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(229, 9, 20, 0.1);
    color: var(--text);
    border-left-color: var(--primary);
}

.nav-icon {
    font-size: 1.3rem;
    width: 25px;
    text-align: center;
}

/* Header */
.admin-header {
    background: var(--dark);
    border-bottom: 1px solid var(--border);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    border: 2px solid var(--border);
}

/* Main Content */
.admin-main {
    padding: 30px;
    max-width: 1600px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.page-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Cards */
.section-card {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.section-card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.section-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--dark), #2a2a2a);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(229, 9, 20, 0.3);
}

.stat-icon {
    font-size: 3rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(229, 9, 20, 0.1);
    border-radius: 12px;
}

.stat-info h3 {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    margin: 0;
}

.stat-info p {
    color: var(--text-muted);
    margin: 5px 0 0 0;
}

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

.form-group small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-control {
    padding: 12px 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255,255,255,0.08);
}

select.form-control {
    cursor: pointer;
}

/* Buttons */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(229, 9, 20, 0.4);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #45a049;
}

.btn-info {
    background: var(--info);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-sm {
    padding: 8px 15px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255,255,255,0.02);
}

.data-table thead {
    background: rgba(229, 9, 20, 0.1);
}

.data-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--primary);
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border);
}

.data-table tbody tr {
    transition: background 0.3s;
}

.data-table tbody tr:hover {
    background: rgba(229, 9, 20, 0.05);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-active {
    background: var(--success);
    color: white;
}

.badge-inactive {
    background: var(--text-muted);
    color: white;
}

.badge-expired {
    background: var(--danger);
    color: white;
}

.badge-pending {
    background: var(--warning);
    color: #000;
}

.badge-info {
    background: var(--info);
    color: white;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    border-color: var(--success);
    color: #a5d6a7;
}

.alert-error {
    background: rgba(244, 67, 54, 0.1);
    border-color: var(--danger);
    color: #ef9a9a;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border-color: var(--warning);
    color: #ffe082;
}

.alert-info {
    background: rgba(33, 150, 243, 0.1);
    border-color: var(--info);
    color: #90caf9;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--darker), var(--dark));
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 2rem;
    color: var(--primary);
}

.login-box p {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--darker);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Responsive */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .admin-main {
        padding: 20px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 0.9rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-card {
    animation: fadeIn 0.5s ease-out;
}

/* Loading */
.loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}