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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 2rem 1rem;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar-header h2 {
    margin-bottom: 2rem;
    color: #3498db;
    font-size: 1.5rem;
    text-align: center;
    border-bottom: 2px solid #3498db;
    padding-bottom: 1rem;
}

.sidebar nav ul {
    list-style: none;
}

.sidebar nav ul li {
    margin-bottom: 0.5rem;
}

.sidebar nav ul li a {
    color: #ecf0f1;
    text-decoration: none;
    display: block;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.sidebar nav ul li a:hover,
.sidebar nav ul li a.active {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.main-content {
    flex: 1;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.main-content header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.main-content header h1 {
    color: #2c3e50;
    font-size: 2rem;
    font-weight: 700;
}

.user-info {
    color: #7f8c8d;
    font-weight: 500;
}

.user-info a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.user-info a:hover {
    color: #c0392b;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    text-align: center;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.stat-card.users::before { background: linear-gradient(90deg, #667eea, #764ba2); }
.stat-card.products::before { background: linear-gradient(90deg, #f093fb, #f5576c); }
.stat-card.categories::before { background: linear-gradient(90deg, #4facfe, #00f2fe); }
.stat-card.orders::before { background: linear-gradient(90deg, #43e97b, #38f9d7); }

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
}

.stat-card.users .stat-icon { background: linear-gradient(135deg, #667eea, #764ba2); }
.stat-card.products .stat-icon { background: linear-gradient(135deg, #f093fb, #f5576c); }
.stat-card.categories .stat-icon { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.stat-card.orders .stat-icon { background: linear-gradient(135deg, #43e97b, #38f9d7); }

.stat-content {
    flex: 1;
}

.stat-card h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: 600;
}

.stat-card p {
    font-size: 2.5rem;
    font-weight: 700;
    color: #34495e;
    margin: 0;
}

/* Tables */
.recent-orders h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.table-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    overflow-x: auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 1.2rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table tr:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transform: scale(1.01);
    transition: all 0.3s ease;
}

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

/* Status Badges */
.status-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending { background: #f39c12; color: white; }
.status-processing { background: #3498db; color: white; }
.status-completed { background: #27ae60; color: white; }
.status-cancelled { background: #e74c3c; color: white; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Forms */
.form-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    margin: 5% auto;
    padding: 2.5rem;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close {
    color: #666;
    float: right;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.close:hover {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
    transform: rotate(90deg);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 1);
}

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

.form-group input[type="file"] {
    padding: 0.5rem;
    border-style: dashed;
}

.form-group input[type="file"]:focus {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.alert-success {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.9) 0%, rgba(46, 204, 113, 0.9) 100%);
    color: white;
    border-color: rgba(39, 174, 96, 0.3);
}

.alert-error {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.9) 0%, rgba(192, 57, 43, 0.9) 100%);
    color: white;
    border-color: rgba(231, 76, 60, 0.3);
}

/* Additional Button Styles */
.btn-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c0392b 0%, #a93226 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

/* Reports */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.report-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.report-section h2 {
    margin-bottom: 1rem;
    color: #333;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card {
    animation: fadeInUp 0.6s ease-out;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.table-container {
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

/* Responsive */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .stat-card {
        padding: 1.5rem;
        gap: 1rem;
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .stat-card p {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        order: 2;
        padding: 1rem;
    }

    .sidebar-header h2 {
        font-size: 1.3rem;
    }

    .main-content {
        order: 1;
        padding: 1rem;
    }

    .main-content header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1rem;
    }

    .main-content header h1 {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .stat-card {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

    .stat-card p {
        font-size: 1.8rem;
    }

    .recent-orders h2 {
        font-size: 1.5rem;
    }

    table th,
    table td {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

    .reports-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 0.5rem;
    }

    .main-content header {
        padding: 0.8rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-card h3 {
        font-size: 1rem;
    }

    .stat-card p {
        font-size: 1.5rem;
    }

    .table-container {
        border-radius: 10px;
    }

    table th,
    table td {
        padding: 0.6rem 0.8rem;
        font-size: 0.85rem;
    }

    .modal-content {
        margin: 2% auto;
        padding: 1.5rem;
        width: 95%;
        max-width: none;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.7rem;
        font-size: 0.95rem;
    }

    .btn {
        padding: 0.7rem 1.4rem;
        font-size: 0.9rem;
    }
}