/* Stili custom con palette UE */

:root {
    --primary: #003399; /* Blu UE */
    --primary-focus: #0a4fb8;
    --primary-inverse: #FFCC00; /* Giallo/Oro UE */
    --spacing: 1.5rem;
    --form-element-valid-border-color: #3cb371; /* Verde per validazione */
}

/* Miglioramenti generali */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    background-color: var(--background-color);
}

header.container {
    padding-top: var(--spacing);
    padding-bottom: var(--spacing);
    border-bottom: 4px solid var(--primary-inverse);
}

main.container > article, main.container > div#form-container {
    margin-bottom: calc(var(--spacing) * 1.5);
}

h1, h2 {
    color: var(--primary);
}

h1 { font-size: 2.25rem; }

/* Stile per i pulsanti di lingua */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    align-items: center;
    height: 100%;
}
.language-switcher button {
    margin-bottom: 0;
    border-width: 1px;
}
.language-switcher button.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Barra di avanzamento */
.progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing);
}
.progress-container label {
    margin-bottom: 0;
    font-weight: bold;
    color: var(--primary);
}
.progress-container progress {
    width: 100%;
    height: 1.25rem;
    margin-bottom: 0;
}
#progress-percentage {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--primary);
}

/* Organizzazione del form */
#form-container section {
    margin-bottom: calc(var(--spacing) * 2);
}
#form-container h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--muted-border-color);
}
#form-container article {
    padding: 0;
    margin-bottom: var(--spacing);
    border: 1px solid var(--muted-border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}
#form-container article header {
    padding: 1rem 1.5rem;
    background-color: #f0f4fa; /* Blu molto chiaro */
}
#form-container article h4 {
    margin-bottom: 0;
    color: var(--primary);
}
.form-fields-container {
    padding: 1.5rem;
    background-color: var(--card-background-color);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1rem 2rem; /* Spazio tra righe e colonne */
}

/* Stili per i campi del form */
label {
    display: flex;
    align-items: center;
}
label > span {
    color: var(--muted-color);
    font-size: 0.85em;
    margin-left: 0.5em;
}
.tooltip-icon {
    margin-left: 0.5em;
    color: var(--primary);
    cursor: help;
}

input, select, textarea { font-size: 1rem; }

/* Stili per la validazione */
input.invalid, select.invalid, textarea.invalid {
    border-color: var(--form-element-invalid-border-color);
    box-shadow: 0 0 0 1px var(--form-element-invalid-border-color);
}
input.valid, select.valid, textarea.valid {
    border-color: var(--form-element-valid-border-color);
}
.error-message {
    color: var(--form-element-invalid-border-color);
    font-size: 0.8rem;
    margin-top: -0.75rem;
    margin-bottom: 1rem;
    display: block;
    height: 1rem;
}

/* Stili per le tabelle a matrice */
.matrix-table-container {
    overflow-x: auto;
    padding: 1.5rem;
}
.matrix-table {
    width: 100%;
    white-space: nowrap;
}
.matrix-table th, .matrix-table td {
    padding: 0.75rem;
    vertical-align: middle;
    text-align: center;
}
.matrix-table th:first-child,
.matrix-table td:first-child {
    position: sticky;
    left: 0;
    background-color: var(--card-background-color);
    z-index: 1;
    font-weight: bold;
    text-align: left;
    white-space: normal;
    min-width: 200px;
}
.matrix-table input {
    margin-bottom: 0;
    min-width: 120px;
    text-align: right;
}

/* Footer buttons */
footer.container {
    background-color: #f0f4fa;
    border-top: 4px solid var(--primary-inverse);
    padding-top: var(--spacing);
    padding-bottom: var(--spacing);
    margin-top: 2rem;
}
footer .grid button {
    width: 100%;
    margin-bottom: 0;
}
footer .grid button i {
    margin-right: 0.5em;
}
#genera-json-btn {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
}
#genera-json-btn:hover {
    background-color: var(--primary-focus);
    border-color: var(--primary-focus);
}

/* Disclaimer text */
.disclaimer-text {
    font-size: 0.9rem;
    color: var(--muted-color);
    font-style: italic;
}

/* Tooltip */
.tooltip {
    position: absolute;
    background-color: #333;
    color: #fff;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    z-index: 1000;
    max-width: 300px;
    text-align: left;
    pointer-events: none; /* Evita che il tooltip interferisca con il mouse */
}


/* Utilità */
.hidden { display: none !important; }
.col-auto { flex-grow: 0; }
.grid-container[data-visible="false"] { display: none; }