.flash-message {
    margin-bottom: 15px;
    color: #0f5132;
    background: #d1e7dd;
    border: 1px solid #badbcc;
    padding: 10px;
    border-radius: 6px;
    animation: flashFadeOut 10s ease forwards;
}

@keyframes flashFadeOut {
    0% {
        opacity: 1;
        visibility: visible;
    }
    85% {
        opacity: 1;
        visibility: visible;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    text-decoration: none;
    color: #305ca2;
}

.page-shell {
    margin: 36px auto;
    padding: 0 18px;
}

.page-card {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 26px 30px 34px;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}

.page-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #334155;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 12px;
    border: 1px solid #dbe4f0;
    border-radius: 999px;
    background: #fff;
    margin-bottom: 18px;
}

.page-back:hover {
    background: #f8fafc;
}

.inline-form {
    display: inline;
}

.hidden-field {
    display: none;
}

.muted-text {
    color: #888;
}