/* TD Forms - stile frontend. Tutto guidato dalle variabili CSS iniettate per-form. */

.tdf-wrap { margin: 0 0 1.5em; }

.tdf-form {
    --tdf-accent: #2563eb;
    --tdf-field-bg: #fff;
    --tdf-field-color: #1f2933;
    --tdf-field-size: 15px;
    --tdf-border-style: solid;
    --tdf-border-width: 1px;
    --tdf-border-color: #d6dde5;
    --tdf-radius: 8px;
    --tdf-focus: #2563eb;
    --tdf-spacing: 18px;
    --tdf-label-color: #1f2933;
    --tdf-label-size: 15px;
    --tdf-label-weight: 600;
    --tdf-btn-bg: #2563eb;
    --tdf-btn-color: #fff;
    --tdf-btn-radius: 8px;
    --tdf-btn-size: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--tdf-spacing);
    box-sizing: border-box;
}
.tdf-form * { box-sizing: border-box; }

/* Pagine multi-step */
.tdf-page { display: none; width: 100%; flex-wrap: wrap; gap: var(--tdf-spacing); }
.tdf-page.is-active { display: flex; }

.tdf-steps-indicator {
    width: 100%;
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 4px;
}
.tdf-step-dot {
    width: 28px; height: 5px; border-radius: 3px;
    background: var(--tdf-border-color);
    transition: background .2s;
}
.tdf-step-dot.is-active { background: var(--tdf-accent); }

/* Campo */
.tdf-field {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.tdf-field.tdf-size-half    { width: calc((100% - var(--tdf-spacing)) / 2); }
.tdf-field.tdf-size-third   { width: calc((100% - 2 * var(--tdf-spacing)) / 3); }
.tdf-field.tdf-size-quarter { width: calc((100% - 3 * var(--tdf-spacing)) / 4); }
@media (max-width: 782px) {
    .tdf-field.tdf-size-third,
    .tdf-field.tdf-size-quarter { width: calc((100% - var(--tdf-spacing)) / 2); }
}
@media (max-width: 600px) {
    .tdf-field.tdf-size-half,
    .tdf-field.tdf-size-third,
    .tdf-field.tdf-size-quarter { width: 100%; }
}

.tdf-hidden { display: none !important; }

.tdf-label {
    color: var(--tdf-label-color);
    font-size: var(--tdf-label-size);
    font-weight: var(--tdf-label-weight);
    line-height: 1.3;
}
/* Etichetta nascosta visivamente ma disponibile per screen reader (aria-labelledby resta valido) */
.tdf-label-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.tdf-required { color: #dc2626; }
.tdf-desc { color: #6b7280; font-size: 13px; }

/* Input generici */
.tdf-field input[type=text],
.tdf-field input[type=email],
.tdf-field input[type=tel],
.tdf-field input[type=url],
.tdf-field input[type=number],
.tdf-field input[type=date],
.tdf-field input[type=time],
.tdf-field input[type=file],
.tdf-field textarea,
.tdf-field select {
    width: 100%;
    background: var(--tdf-field-bg);
    color: var(--tdf-field-color);
    font-size: var(--tdf-field-size);
    padding: 11px 13px;
    border-style: var(--tdf-border-style);
    border-width: var(--tdf-border-width);
    border-color: var(--tdf-border-color);
    border-radius: var(--tdf-radius);
    line-height: 1.4;
    transition: border-color .15s, box-shadow .15s;
    font-family: inherit;
}
.tdf-field textarea { resize: vertical; min-height: 110px; }

.tdf-field input:focus,
.tdf-field textarea:focus,
.tdf-field select:focus {
    outline: none;
    border-color: var(--tdf-focus);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tdf-focus) 22%, transparent);
}

/* Select: stesso look degli altri campi (bg/colore/bordo/raggio dalle variabili del form)
   + freccia custom. La tendina aperta con le opzioni resta gestita dal browser/OS. */
.tdf-field select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%236b7280' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
}
.tdf-field select::-ms-expand { display: none; }
.tdf-field select[multiple] {
    background-image: none;
    padding-right: 13px;
    cursor: auto;
    min-height: 110px;
}
/* Dove il browser lo consente (Firefox, Android) le opzioni seguono i colori del campo. */
.tdf-field select option { color: var(--tdf-field-color); background: var(--tdf-field-bg); }

/* Nome composito */
.tdf-name-row { display: flex; gap: 10px; }
.tdf-name-row input { flex: 1; }
@media (max-width: 480px) { .tdf-name-row { flex-direction: column; } }

/* Scelte radio/checkbox */
.tdf-choices { display: flex; flex-direction: column; gap: 8px; }
.tdf-choice {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: var(--tdf-field-color);
    font-size: var(--tdf-field-size);
    cursor: pointer;
    line-height: 1.4;
}
.tdf-choice input { margin-top: 2px; accent-color: var(--tdf-accent); width: 17px; height: 17px; }
.tdf-acceptance { font-size: 14px; }

/* Range */
.tdf-range { display: flex; align-items: center; gap: 12px; }
.tdf-range input[type=range] { flex: 1; accent-color: var(--tdf-accent); padding: 0; border: 0; }
.tdf-range-out {
    min-width: 42px; text-align: center;
    font-weight: 600; color: var(--tdf-accent);
    background: color-mix(in srgb, var(--tdf-accent) 12%, transparent);
    border-radius: 6px; padding: 3px 6px;
}

/* Rating */
.tdf-rating { display: inline-flex; gap: 4px; font-size: 28px; cursor: pointer; }
.tdf-star { color: #d1d5db; transition: color .12s, transform .12s; }
.tdf-star.is-on { color: #f59e0b; }
.tdf-star:hover { transform: scale(1.12); }

/* Layout helper */
.tdf-heading { margin: 4px 0 0; color: var(--tdf-label-color); }
.tdf-heading-desc { color: #6b7280; font-size: 14px; }
.tdf-divider { width: 100%; border: 0; border-top: 1px solid var(--tdf-border-color); margin: 4px 0; }
.tdf-html { color: var(--tdf-field-color); font-size: 15px; }

/* Errori */
.tdf-error { color: #dc2626; font-size: 13px; min-height: 0; }
.tdf-field.tdf-has-error input,
.tdf-field.tdf-has-error textarea,
.tdf-field.tdf-has-error select {
    border-color: #dc2626;
}

/* Footer + bottoni */
.tdf-footer { width: 100%; }
.tdf-step-nav { width: 100%; display: flex; justify-content: space-between; gap: 12px; margin-top: 4px; }
.tdf-btn {
    cursor: pointer;
    font-family: inherit;
    border: none;
    font-weight: 600;
}
.tdf-submit, .tdf-next, .tdf-prev {
    background: var(--tdf-btn-bg);
    color: var(--tdf-btn-color);
    font-size: var(--tdf-btn-size);
    padding: 12px 26px;
    border-radius: var(--tdf-btn-radius);
    transition: filter .15s, transform .05s;
}
.tdf-prev { background: #e5e7eb; color: #374151; }
.tdf-btn:hover { filter: brightness(0.95); }
.tdf-btn:active { transform: translateY(1px); }
.tdf-btn:disabled { opacity: .6; cursor: not-allowed; }

/* Messaggi */
.tdf-message { width: 100%; padding: 16px 18px; border-radius: var(--tdf-radius); font-size: 15px; }
.tdf-message-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.tdf-message-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* Honeypot */
.tdf-hp { position: absolute !important; left: -9999px !important; height: 0; overflow: hidden; }

/* Avviso admin */
.tdf-notice { padding: 10px 14px; background: #fff7ed; border: 1px solid #fed7aa; border-radius: 6px; color: #9a3412; }

/* ======================================================================
   Modern select (stile WPForms "Modern"): box compatto + ricerca + tag.
   Progressive enhancement: il <select> nativo resta nel DOM, nascosto.
   Eredita le stesse variabili --tdf-* degli altri campi del form.
   ====================================================================== */
.tdf-field select.tdf-ms-native {
    position: absolute !important;
    width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
    opacity: 0; pointer-events: none;
}
.tdf-ms { position: relative; width: 100%; }

.tdf-ms-control {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    background: var(--tdf-field-bg);
    color: var(--tdf-field-color);
    font-size: var(--tdf-field-size);
    padding: 11px 38px 11px 13px;
    border-style: var(--tdf-border-style);
    border-width: var(--tdf-border-width);
    border-color: var(--tdf-border-color);
    border-radius: var(--tdf-radius);
    line-height: 1.4;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s;
}
.tdf-ms.is-open .tdf-ms-control,
.tdf-ms-control:focus {
    outline: none;
    border-color: var(--tdf-focus);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tdf-focus) 22%, transparent);
}
.tdf-ms-values { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; flex: 1; min-width: 0; }
.tdf-ms-ph { color: color-mix(in srgb, var(--tdf-field-color) 55%, transparent); }

.tdf-ms-arrow {
    position: absolute; right: 14px; top: 50%; width: 12px; height: 12px; margin-top: -6px;
    pointer-events: none; transition: transform .15s;
    background: no-repeat center / 12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none' stroke='%236b7280' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
}
.tdf-ms.is-open .tdf-ms-arrow { transform: rotate(180deg); }

/* Tag (multi-select) */
.tdf-ms-tag {
    display: inline-flex; align-items: center; gap: 6px;
    background: color-mix(in srgb, var(--tdf-accent) 14%, transparent);
    color: var(--tdf-accent);
    border-radius: calc(var(--tdf-radius) - 2px);
    padding: 2px 7px 2px 9px; font-size: .9em; line-height: 1.7;
}
.tdf-ms-tag-x {
    border: 0; background: transparent; color: inherit; cursor: pointer;
    font-size: 1.15em; line-height: 1; padding: 0; opacity: .65;
}
.tdf-ms-tag-x:hover { opacity: 1; }

/* Dropdown */
.tdf-ms-dropdown {
    display: none; position: absolute; z-index: 50; left: 0; right: 0; top: calc(100% + 5px);
    background: var(--tdf-field-bg);
    border: 1px solid var(--tdf-border-color);
    border-radius: var(--tdf-radius);
    box-shadow: 0 12px 32px rgba(15, 23, 42, .14);
    overflow: hidden;
}
.tdf-ms.is-open .tdf-ms-dropdown { display: block; }

.tdf-ms-search { padding: 8px; border-bottom: 1px solid var(--tdf-border-color); }
.tdf-ms-search input {
    width: 100%; box-sizing: border-box; font-size: .95em;
    padding: 8px 10px; font-family: inherit;
    color: var(--tdf-field-color);
    background: color-mix(in srgb, var(--tdf-field-color) 4%, transparent);
    border: 1px solid var(--tdf-border-color);
    border-radius: calc(var(--tdf-radius) - 2px);
}
.tdf-ms-search input:focus { outline: none; border-color: var(--tdf-focus); }

.tdf-ms-list { list-style: none; margin: 0; padding: 4px; overflow: visible; }
.tdf-ms-option {
    display: flex; align-items: center; justify-content: space-between;
    padding: 9px 12px; border-radius: calc(var(--tdf-radius) - 2px);
    cursor: pointer; font-size: var(--tdf-field-size); color: var(--tdf-field-color);
}
.tdf-ms-option:hover,
.tdf-ms-option.is-active { background: color-mix(in srgb, var(--tdf-accent) 12%, transparent); }
.tdf-ms-option.is-selected {
    background: color-mix(in srgb, var(--tdf-accent) 16%, transparent);
    color: var(--tdf-accent); font-weight: 600;
}
.tdf-ms-option.is-selected::after { content: '\2713'; margin-left: 10px; }
.tdf-ms-empty { padding: 14px; text-align: center; font-size: .9em; color: color-mix(in srgb, var(--tdf-field-color) 55%, transparent); }

/* Stato errore coerente con gli altri campi */
.tdf-field.tdf-has-error .tdf-ms-control { border-color: #dc2626; }