:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --success: #2ecc71;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    --light: #f8f9fa;
    --dark: #343a40;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --border-radius: 10px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--dark);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 10px;
}

.logo h2 {
    color: var(--dark);
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary);
    outline: none;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.error-message {
    color: var(--danger);
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
}

/* Dashboard */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: var(--light);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-area {
    flex: 1;
    padding: 20px;
    background: var(--light);
    overflow-y: auto;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light-gray);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

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

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

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--shadow);
}

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

.table th {
    background: var(--light-gray);
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid #dee2e6;
}

.table td {
    padding: 15px;
    border-bottom: 1px solid #dee2e6;
}

.table tr:hover {
    background: rgba(67, 97, 238, 0.05);
}

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

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.stat-icon.users { background: var(--primary); }
.stat-icon.money { background: var(--success); }
.stat-icon.bets { background: var(--warning); }
.stat-icon.bonus { background: var(--info); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-info p {
    color: var(--gray);
    font-size: 14px;
}

/* Loading */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    color: var(--gray);
}

.fa-spin {
    margin-right: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-area {
        padding: 15px;
    }
    
    .table th, .table td {
        padding: 10px;
    }
}