.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
    padding: 20px;
    background-color: #f8f9fa;
}

.auth-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
}

.auth-header {
    background: linear-gradient(45deg, #8b5cf6, #ec4899);
    color: white;
    padding: 2rem;
    text-align: center;
}

.auth-header h2 {
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.auth-body {
    padding: 2rem;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 1.5rem;
}

.auth-tab {
    flex: 1;
    text-align: center;
    padding: 0.75rem;
    cursor: pointer;
    font-weight: 600;
    color: #6c757d;
    transition: all 0.3s ease;
}

.auth-tab.active {
    color: #8b5cf6;
    border-bottom: 3px solid #8b5cf6;
    margin-bottom: -2px;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-floating {
    margin-bottom: 1rem;
}

.form-floating > label {
    right: auto !important;
    left: 0;
}

.form-text {
    text-align: right;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.btn-auth {
    padding: 0.75rem;
    font-weight: 600;
    border-radius: 8px;
    margin-top: 1rem;
}

.alert {
    border-radius: 8px;
}

@media (max-width: 576px) {
    .auth-card {
        margin: 10px;
    }
    
    .auth-body {
        padding: 1.5rem;
    }
}