/* Import Inter Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
    transition: background 0.3s, color 0.3s;
}

body.dark-mode {
    background: #1a1a1a;
    color: #e0e0e0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background: transparent;
    transition: background 0.3s;
}

body.dark-mode .container {
    background: transparent;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    color: var(--admin-text, #333);
    transition: color 0.3s;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
    text-decoration: none;
}

.btn:active {
    transform: translateY(0);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.4);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--admin-text, #333);
}

body.dark-mode .form-group label {
    color: var(--admin-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--admin-border, #e2e8f0);
    border-radius: 8px;
    font-size: 15px;
    background: var(--admin-card-bg, #fff);
    color: var(--admin-text, #1e293b);
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* Tables - Modern Design */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--admin-card-bg, #fff);
    margin-bottom: 24px;
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.data-table th,
.data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border, #e2e8f0);
}

.data-table th {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    font-weight: 700;
    color: var(--admin-text, #1e293b);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--admin-border, #e2e8f0);
}

body.dark-mode .data-table th {
    background: linear-gradient(180deg, #1e293b 0%, #334155 100%);
}

.data-table td {
    color: var(--admin-text, #1e293b);
    font-size: 14px;
}

.data-table tbody tr {
    transition: all 0.2s ease;
}

.data-table tbody tr:hover {
    background: var(--admin-hover, #f8fafc);
    transform: scale(1.01);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

/* Status Badge - Modern Design */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 20px;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.status-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(30, 41, 59, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.7);
}

body.dark-mode ::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.6);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.8);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Custom Transitions */
.transition-slow {
    transition: all 0.5s ease;
}

.transition-medium {
    transition: all 0.3s ease;
}

.transition-fast {
    transition: all 0.15s ease;
}

/* Responsive Tweaks */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
    margin-top: 40px;
}