:root {
    --bg-color: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --border-color: #334155;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
}

.badge {
    background-color: var(--accent);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 800;
}

.sidebar-nav {
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    border-right: 3px solid var(--accent);
}

.nav-item i {
    width: 20px;
    height: 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.topbar {
    padding: 24px 40px;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
}

.topbar h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.content-wrapper {
    padding: 40px;
    flex: 1;
    overflow-y: auto;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 24px;
}
.alert {
    padding: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-weight: 500;
}
.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Cards & Tables */
.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 24px;
}

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

.data-table th, .data-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}
.status-pending {
    background-color: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}
.status-banned {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}
.status-ignored {
    background-color: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}
.btn-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}
.btn-danger:hover {
    background-color: var(--danger);
    color: white;
}
.btn-secondary {
    background-color: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
}
.btn-secondary:hover {
    background-color: rgba(148, 163, 184, 0.2);
    color: white;
}
.btn-primary {
    background-color: var(--accent);
    color: white;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
}

.actions {
    display: flex;
    gap: 8px;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}
.form-control {
    width: 100%;
    padding: 10px 12px;
    background-color: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: white;
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}