*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "PingFang TC", "Microsoft JhengHei", "Helvetica Neue", Arial, sans-serif;
    background: #1e4f8a;
    color: #333;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 16px 32px;
    max-width: 480px;
    margin: 0 auto;
}

.page-title {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    margin: 0 0 24px;
    letter-spacing: 0.05em;
}

.alert {
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.btn-primary-lg {
    display: block;
    width: 100%;
    padding: 18px 20px;
    margin-bottom: 16px;
    background: #fff;
    color: #1e4f8a;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary-lg:hover {
    background: #f0f4fa;
}

.btn-secondary {
    display: block;
    flex: 1;
    padding: 12px 8px;
    background: #fff;
    color: #c41e3a;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.btn-secondary-full {
    display: block;
    width: 100%;
    padding: 14px;
    margin-top: 12px;
    background: #fff;
    color: #c41e3a;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: 10px;
}

.btn-secondary .brand-black {
    color: #222;
}

.btn-row {
    display: flex;
    gap: 12px;
    width: 100%;
    margin-top: auto;
    padding-top: 24px;
}

.form-banner {
    width: 100%;
    background: #f5d547;
    color: #333;
    padding: 10px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    border-radius: 4px 4px 0 0;
    margin-bottom: 0;
}

.form-card {
    width: 100%;
    background: #fffef5;
    border: 2px solid #4a9e4a;
    border-radius: 0 0 8px 8px;
    padding: 20px 18px 24px;
    margin-bottom: 24px;
}

.form-card h2 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    color: #333;
}

.form-card .hint {
    font-size: 0.8rem;
    color: #555;
    margin: 0 0 18px;
    line-height: 1.5;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}

.phone-row {
    display: flex;
    gap: 8px;
}

.phone-row select {
    width: 90px;
    padding: 10px 6px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.95rem;
}

.phone-row input {
    flex: 1;
}

.checkbox-group {
    margin: 14px 0;
}

.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: normal;
    line-height: 1.4;
    cursor: pointer;
}

.checkbox-group input {
    margin-top: 3px;
    flex-shrink: 0;
}

.btn-submit {
    display: block;
    width: 100%;
    padding: 14px;
    margin-top: 8px;
    background: #e86c1a;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.btn-submit:hover {
    background: #d45f12;
}

.field-error {
    color: #c41e3a;
    font-size: 0.8rem;
    margin-top: 4px;
}

.user-card {
    width: 100%;
    background: #fffef5;
    border: 2px solid #4a9e4a;
    border-radius: 10px;
    padding: 18px 20px;
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 0.95rem;
}

.user-card strong {
    font-weight: 700;
}

.nav-grid {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.nav-grid .btn-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 72px;
    padding: 12px 10px;
    background: #fff;
    color: #1e4f8a;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border-radius: 10px;
    line-height: 1.35;
}

.nav-grid .btn-nav.span-2 {
    grid-column: 1 / -1;
}

.nav-grid .btn-nav.muted {
    color: #888;
    pointer-events: none;
}

.logout-link {
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    text-decoration: underline;
    background: none;
    border: none;
    cursor: pointer;
}

.spacer {
    flex: 1;
}