.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 160px);
    padding: 20px;
}

.auth-card {
    background: #171717;
    border: 1px solid #333;
    border-radius: 18px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: #ff4d8d;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
    color: #f5f5f5;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #333;
    border-radius: 8px;
    background: #0a0a0a;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

.form-group input:focus {
    border-color: #ff4d8d;
    box-shadow: 0 0 8px rgba(255, 77, 141, 0.3);
}

.btn-auth {
    width: 100%;
    padding: 14px;
    background: #ff4d8d;
    color: #111;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn-auth:hover {
    background: #ff6b9e;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 77, 141, 0.4);
}

/* Feedback styling if not handled globally */
.invalid-feedback {
    display: none;
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 5px;
}

.was-validated input:invalid {
    border-color: #ef4444;
}

.was-validated input:invalid ~ .invalid-feedback {
    display: block;
}

/* Auth Footer Link */
.auth-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 0.95rem;
    color: #9ca3af;
}

.auth-footer a {
    color: #ff4d8d;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.auth-footer a:hover {
    color: #ff6b9e;
    text-decoration: underline;
}