/* Shared layout: center form block in the viewport (most fixtures) */
body.fixture {
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 3vw, 2rem);
    box-sizing: border-box;
}

body.fixture .fixture-wrap {
    width: 100%;
    box-sizing: border-box;
    margin-top: 0;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;
    flex: 0 1 auto;
}

/* Shared non-hub styles for fixture pages (messages + back link) */
.form-message {
    padding: 0.75rem 1rem;
    margin: 0 0 1rem;
    border-radius: 6px;
    font-size: 0.95rem;
}

.form-message--success {
    background: #e8f5e9;
    color: #1b5e20;
    border: 1px solid #a5d6a7;
}

.form-message--error {
    background: #ffebee;
    color: #b71c1c;
    border: 1px solid #ef9a9a;
}

.form-message--error ul {
    margin: 0.5rem 0 0;
    padding-left: 1.2rem;
}

.form-field-error {
    color: #c62828;
    font-size: 0.85rem;
    margin: 0.25rem 0 0;
}

.back-to-index {
    margin: 0 0 1rem;
    font-size: 0.9rem;
}

.back-to-index a {
    color: inherit;
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
    outline: 2px solid #c62828;
    outline-offset: 1px;
}