.register-page {
    background: linear-gradient(135deg, #eef4ff 0%, #ffffff 60%);
}

.register-intro {
    position: relative;
    padding: 40px;
    border-radius: 24px;
    background-image: url('/images/imgRegister.png');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    overflow: hidden;
}

.register-intro::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(15, 35, 64, 0.75);
}

.register-intro > * {
    position: relative;
    z-index: 2;
}

.section-label {
    display: inline-block;
    margin-bottom: 16px;
    padding: 8px 16px;
    border-radius: 50px;
    background-color: rgba(255, 255, 255, 0.18);
    color: #ffffff;
    font-weight: 600;
}

.register-intro h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.register-intro p {
    color: #e2e8f0;
    line-height: 1.7;
}

.info-box {
    margin-top: 24px;
    padding: 22px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-box h2 {
    font-size: 1.25rem;
    color: #ffffff;
}

.register-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

.register-card h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.form-subtitle {
    color: #64748b;
    margin-bottom: 28px;
}

.form-control {
    min-height: 52px;
    border-radius: 14px;
    border: 1px solid #d8e0ea;
    padding: 12px 16px;
}

.form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}

.login-link {
    text-align: center;
    margin-top: 22px;
    color: #64748b;
}

.login-link a {
    color: #2563eb;
    font-weight: 600;
    text-decoration: none;
}

.login-link a:hover {
    text-decoration: underline;
}

.form-error,
.invalid-feedback,
ul {
    color: #dc2626;
    font-size: 0.9rem;
    margin-top: 6px;
}

@media (max-width: 991px) {
    .register-intro {
        text-align: center;
    }

    .register-intro h1 {
        font-size: 2.3rem;
    }

    .register-card {
        padding: 28px;
    }
}

.form-label {
    font-weight: 600;
    margin-bottom: 6px;
    color: #10233f;
    font-size: 0.95rem;
}