/* Modern Admin Panel Styles */
:root {
    --sidebar-width: 260px;
    --header-height: 70px;
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --info-color: #0ea5e9;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --bg-light: #f8fafc;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    z-index: 1000;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    letter-spacing: -0.5px;
    transition: all 0.3s ease;
}

.sidebar-brand:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0.5rem 1rem;
}

.sidebar-heading {
    padding: 0 1.25rem;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-item {
    margin: 0.25rem 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all 0.2s ease;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-link:hover {
    background-color: var(--sidebar-hover);
    color: white;
    transform: translateX(2px);
}

.nav-link.active {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-link i {
    margin-right: 0.75rem;
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Topbar */
.topbar {
    height: var(--header-height);
    background-color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.topbar .navbar-nav .nav-item .nav-link {
    color: var(--text-light);
    padding: 0 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 6px;
}

.topbar .navbar-nav .nav-item .nav-link:hover {
    color: var(--text-dark);
    background: var(--bg-light);
}

.user-dropdown {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    transition: all 0.2s ease;
}

.user-dropdown:hover {
    background: var(--bg-light);
}

.user-dropdown img {
    height: 2.25rem;
    width: 2.25rem;
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

/* Content Area */
.content {
    padding: 2rem;
}

/* Cards */
.card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    background: white;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-dark);
    padding: 1.25rem 1.5rem;
    border-radius: 12px 12px 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* Tables */
.table {
    color: var(--text-dark);
    font-size: 0.95rem;
}

.table thead th {
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 0.5px;
    padding: 1rem;
    background: var(--bg-light);
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

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

.table tbody tr:hover {
    background-color: var(--bg-light);
    transform: scale(1.002);
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 8px;
    padding: 0.625rem 1.25rem;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border: none;
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), #4338ca);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border: none;
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-2px);
}

.btn-warning {
    background-color: var(--warning-color);
    border: none;
    color: white;
}

.btn-warning:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--danger-color);
    border: none;
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
}

.btn-sm {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

/* Badges */
.badge {
    font-weight: 600;
    padding: 0.5rem 0.875rem;
    border-radius: 50px;
    font-size: 0.8rem;
    letter-spacing: 0.3px;
}

.badge.bg-info {
    background-color: var(--info-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

/* Page Heading */
.page-heading {
    margin-bottom: 2rem;
}

.page-heading h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(var(--sidebar-width) * -1);
    }

    .sidebar.show {
        margin-left: 0;
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: block !important;
    }
}

.mobile-menu-toggle {
    display: none;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    position: relative;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.login-card {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 1rem 1.25rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success-color);
    color: #065f46;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border-left-color: var(--danger-color);
    color: #991b1b;
}

.alert-info {
    background-color: rgba(14, 165, 233, 0.1);
    border-left-color: var(--info-color);
    color: #075985;
}

/* Pagination */
.pagination {
    margin-top: 1.5rem;
    gap: 0.5rem;
}

.page-item {
    margin: 0 0.25rem;
}

.page-link {
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.page-link:hover {
    color: white;
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* Form Controls */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.625rem 1rem;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.625rem 1rem;
    transition: all 0.2s ease;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Stats Cards */
.stats-card {
    border-left: 4px solid;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.stats-card.border-primary {
    border-left-color: var(--primary-color) !important;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.stats-card.border-success {
    border-left-color: var(--success-color) !important;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
}

.stats-card.border-warning {
    border-left-color: var(--warning-color) !important;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(245, 158, 11, 0.02) 100%);
}

.stats-card.border-info {
    border-left-color: var(--info-color) !important;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(14, 165, 233, 0.02) 100%);
}

.text-xs {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.text-gray-800 {
    color: var(--text-dark) !important;
}

.font-weight-bold {
    font-weight: 700 !important;
}

/* Search Input */
input[type="text"].form-control-sm {
    border-radius: 50px;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
}

input[type="text"].form-control-sm:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Smooth Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .alert {
    animation: fadeIn 0.3s ease;
}

/* Code Tags */
code {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
    font-weight: 600;
}