body {
    background: #f5f5f5;
    font-family: Arial, sans-serif;
}

.header-logo {
    text-align: center;
    margin: 30px 0 10px 0;
}

.header-logo img {
    max-height: 80px;
}

.header-title {
    text-align: center;
    font-weight: bold;
    font-size: 1.4rem;
    color: #c00;
}

.form-container {
    max-width: 700px;
    margin: 30px auto;
    background: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.08);
}

.required {
    color: red;
}

.hero-section {
    background: linear-gradient(135deg, #ffe5e5 0%, #ffffff 40%, #e6f2ff 100%);
    min-height: 100vh;
    padding-top: 6rem;
}

.hero-section h1 {
    color: #222;
}

.hero-section .btn-danger {
    box-shadow: 0 8px 18px rgba(220, 53, 69, 0.4);
}

.card {
    border-radius: 1rem;
}

.card-header {
    border-radius: 1rem 1rem 0 0 !important;
}