:root {
    --primary-color: #3a86ff;
    --secondary-color: #8338ec;
    --success-color: #38b000;
    --danger-color: #ff006e;
    --warning-color: #ffbe0b;
    --info-color: #00bbf9;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.auth-container {
    max-width: 1200px;
    margin: 0 auto;
}

.brand-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 20px;
}

.brand-logo {
    font-size: 2.5rem;
    font-weight: bold;
}

.brand-tagline {
    font-size: 1.2rem;
    opacity: 0.9;
}

.feature-list i {
    color: var(--warning-color);
}

.card {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.form-control {
    border-radius: 10px;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(58, 134, 255, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 10px;
    padding: 12px 30px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.4);
}