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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1a1a1a;
    color: #e5e5e5;
    overflow-x: hidden;
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 250px;
    background-color: #2d2d2d;
    padding: 20px 0;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.sidebar-header {
    padding: 0 20px 30px;
    border-bottom: 2px solid #dc2626;
    margin-bottom: 30px;
}

.sidebar-header h2 {
    color: #dc2626;
    font-size: 24px;
    font-weight: 600;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: block;
    padding: 15px 20px;
    color: #e5e5e5;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: #1a1a1a;
    border-left: 3px solid #dc2626;
    color: #dc2626;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 30px;
    min-height: 100vh;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #1a1a1a;
}

.login-box {
    background-color: #2d2d2d;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    border: 1px solid #3d3d3d;
}

.login-box h1 {
    color: #dc2626;
    margin-bottom: 30px;
    text-align: center;
    font-size: 28px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #e5e5e5;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background-color: #1a1a1a;
    border: 1px solid #3d3d3d;
    border-radius: 5px;
    color: #e5e5e5;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #dc2626;
}

.btn {
    width: 100%;
    padding: 12px;
    background-color: #dc2626;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #b91c1c;
}

.alert {
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 5px;
    text-align: center;
}

.alert-error {
    background-color: #7f1d1d;
    color: #fecaca;
    border: 1px solid #dc2626;
}

.alert-success {
    background-color: #14532d;
    color: #bbf7d0;
    border: 1px solid #22c55e;
}

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

.card {
    background-color: #2d2d2d;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border: 1px solid #3d3d3d;
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: #dc2626;
}

.card h3 {
    color: #dc2626;
    margin-bottom: 15px;
    font-size: 18px;
}

.card .value {
    font-size: 32px;
    font-weight: bold;
    color: #e5e5e5;
}

.card .label {
    color: #9ca3af;
    font-size: 14px;
    margin-top: 5px;
}

/* Tables */
.table-container {
    background-color: #2d2d2d;
    border-radius: 10px;
    padding: 20px;
    overflow-x: auto;
    border: 1px solid #3d3d3d;
}

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

table thead {
    background-color: #1a1a1a;
}

table th {
    padding: 15px;
    text-align: left;
    color: #dc2626;
    font-weight: 600;
    border-bottom: 2px solid #dc2626;
}

table td {
    padding: 12px 15px;
    border-bottom: 1px solid #3d3d3d;
    color: #e5e5e5;
}

table tbody tr:hover {
    background-color: #1a1a1a;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-bot {
    background-color: #7f1d1d;
    color: #fecaca;
}

.badge-human {
    background-color: #14532d;
    color: #bbf7d0;
}

/* Page Header */
.page-header {
    margin-bottom: 30px;
    border-bottom: 2px solid #dc2626;
    padding-bottom: 15px;
}

.page-header h1 {
    color: #dc2626;
    font-size: 32px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 200px;
    }

    .main-content {
        margin-left: 200px;
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

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