:root {
    --primary: #ffe665;
    --dark: #010001;
    --white: #ffffff;
    --gray: #555555;
    --light-gray: #f5f5f5;
    --border: #e0e0e0;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--light-gray);
    color: var(--dark);
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background: var(--dark);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.navbar-brand {
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 1px;
}

.navbar-nav {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    align-items: center;
}

.navbar-nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    opacity: 1;
    color: var(--primary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    background: var(--dark);
    color: var(--white);
    padding: 1rem 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 1.5rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-weight: 600;
    color: var(--gray);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.table tr:hover {
    background: var(--light-gray);
}

.table a:not(.btn) {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
}

.table a:not(.btn):hover {
    color: var(--gray);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

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

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

.badge-warning {
    background: var(--warning);
    color: var(--dark);
}

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

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

.badge-primary {
    background: var(--primary);
    color: var(--dark);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.85;
}

.btn-primary {
    background: var(--primary);
    color: var(--dark);
}

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

.btn-outline {
    background: var(--white);
    color: var(--dark);
    border: 1.5px solid var(--dark);
}

.btn-outline:hover {
    background: var(--dark);
    color: var(--white);
    opacity: 1;
}

.btn-sm {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--gray);
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 230, 101, 0.25);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--white);
    border-radius: 8px;
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

/* Login */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 0 1rem;
}

.login-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.login-header {
    background: var(--dark);
    padding: 2rem;
    text-align: center;
}

.login-header h1 {
    color: var(--primary);
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.login-body {
    padding: 2rem;
}

/* Report */
.report-text {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 6px;
    line-height: 1.6;
    white-space: pre-wrap;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    list-style: none;
}

.pagination a,
.pagination span {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    color: var(--dark);
    font-size: 0.9rem;
}

.pagination .current {
    background: var(--primary);
    border-color: var(--primary);
    font-weight: 600;
}

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: end;
}

.filters .form-group {
    margin-bottom: 0;
    min-width: 180px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
    }

    .container {
        padding: 1rem;
    }

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

    .filters {
        flex-direction: column;
    }
}