:root {
    --bg-color: #050505;
    --card-bg: #111111;
    --text-color: #ffffff;
    --text-muted: #888888;
    --accent-color: #3b82f6;
    /* Electric Blue */
    --accent-hover: #2563eb;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --border-color: #222222;
    --nav-height: 70px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #444;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* Layout & Components */
.sidebar {
    width: 260px;
    background-color: var(--card-bg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
}

.sidebar h2 {
    margin: 0 0 30px 10px;
    font-size: 1.2rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar h2 i {
    color: var(--accent-color);
}

.sidebar a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 5px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar a:hover,
.sidebar a.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
}

.main-content {
    margin-left: 260px;
    padding: 30px 40px;
    max-width: 1400px;
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.card {
    background-color: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
    font-weight: 500;
}

.stat-card .value {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Forms & Tables */
input,
select,
textarea {
    width: 100%;
    padding: 12px;
    background-color: #0c0c0c;
    border: 1px solid #333;
    color: #fff;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

button,
.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-block;
    transition: all 0.2s;
}

button:hover,
.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: #eee;
}

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

/* Utilities */
.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Authentication */
.login-container {
    max-width: 400px;
    margin: 10vh auto;
    padding: 40px;
    background-color: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
}

/* Misc */
.rule-input-group {
    background: #1a1a1a;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #222;
}

.rule-input-group input {
    border: none;
    background: transparent;
    margin: 0;
    padding: 5px;
}

.rule-input-group input:focus {
    border: none;
    outline: none;
}