/* ═══════════════════════════════════════════
   SANB Survey Form — Stile AGID / Design Italia
   Colori SANB: #00664D (verde scuro), #004D3A, #E8F5E9
   ═══════════════════════════════════════════ */

:root {
    --sanb-primary: #00664D;
    --sanb-primary-dark: #004D3A;
    --sanb-primary-light: #E8F5E9;
    --sanb-accent: #007B5F;
    --sanb-text: #1C2024;
    --sanb-text-light: #5A6772;
    --sanb-border: #C5C7C9;
    --sanb-border-focus: #00664D;
    --sanb-bg: #FFFFFF;
    --sanb-bg-page: #F5F6F7;
    --sanb-error: #CC334D;
    --sanb-success: #008055;
    --sanb-radius: 4px;
    --sanb-font: "Titillium Web", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ─── Font AGID ─── */
@import url('https://fonts.googleapis.com/css2?family=Titillium+Web:wght@300;400;600;700&display=swap');

/* ─── Wrapper ─── */
.sanb-survey-wrap {
    font-family: var(--sanb-font);
    max-width: 780px;
    margin: 2rem auto;
    background: var(--sanb-bg);
    border-radius: var(--sanb-radius);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

/* ─── Header ─── */
.sanb-survey-header {
    background: var(--sanb-primary);
    color: #fff;
    padding: 28px 32px 24px;
}

.sanb-survey-title {
    font-size: 1.625rem;
    font-weight: 700;
    margin: 0 0 6px;
    color: #fff;
    line-height: 1.3;
}

.sanb-survey-subtitle {
    font-size: 0.975rem;
    font-weight: 300;
    margin: 0;
    opacity: 0.9;
    color: #fff;
}

/* ─── Form Body ─── */
.sanb-survey-form {
    padding: 32px;
}

/* ─── Fields ─── */
.sanb-field {
    margin-bottom: 24px;
}

.sanb-field > label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sanb-text);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.sanb-required {
    color: var(--sanb-error);
}

.sanb-field input[type="text"],
.sanb-field input[type="email"],
.sanb-field input[type="date"],
.sanb-field select {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-family: var(--sanb-font);
    font-size: 1rem;
    color: var(--sanb-text);
    background: var(--sanb-bg);
    border: 1px solid var(--sanb-border);
    border-radius: var(--sanb-radius);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    -webkit-appearance: none;
}

/* Nasconde icona X (clear) nativa dei browser */
.sanb-field input[type="text"]::-webkit-search-cancel-button,
.sanb-field input[type="text"]::-webkit-clear-button,
.sanb-field input[type="email"]::-webkit-search-cancel-button,
.sanb-field input[type="email"]::-webkit-clear-button,
.sanb-field input[type="text"]::-ms-clear,
.sanb-field input[type="email"]::-ms-clear {
    display: none;
    -webkit-appearance: none;
    appearance: none;
}

/* Nasconde pulsante cancella di Bootstrap Italia */
.sanb-survey-wrap .clean-input,
.sanb-survey-wrap button.clean-input {
    display: none !important;
}

.sanb-field input:focus,
.sanb-field select:focus {
    outline: none;
    border-color: var(--sanb-border-focus);
    box-shadow: 0 0 0 2px rgba(0, 102, 77, 0.15);
}

.sanb-field input.sanb-invalid,
.sanb-field select.sanb-invalid {
    border-color: var(--sanb-error);
    box-shadow: 0 0 0 2px rgba(204, 51, 77, 0.12);
}

.sanb-field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6772' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* ─── Options Grid (3 Cards) ─── */
.sanb-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 4px;
}

@media (max-width: 680px) {
    .sanb-options-grid {
        grid-template-columns: 1fr;
    }
}

.sanb-option-card {
    position: relative;
    background: var(--sanb-bg);
    border: 2px solid var(--sanb-border);
    border-radius: 8px;
    padding: 0;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
    overflow: hidden;
    outline: none;
}

.sanb-option-card:hover {
    border-color: var(--sanb-accent);
    box-shadow: 0 2px 12px rgba(0, 102, 77, 0.1);
}

.sanb-option-card:focus-visible {
    border-color: var(--sanb-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 77, 0.2);
}

.sanb-option-card.selected {
    border-color: var(--sanb-primary);
    box-shadow: 0 2px 16px rgba(0, 102, 77, 0.18);
    transform: translateY(-2px);
}

.sanb-option-card.selected .sanb-option-check {
    opacity: 1;
    transform: scale(1);
}

/* Card Image */
.sanb-option-image {
    width: 100%;
    height: auto;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sanb-primary-light);
}

.sanb-option-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sanb-option-placeholder {
    height: 120px;
}

.sanb-placeholder-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: var(--sanb-primary);
    opacity: 0.15;
    position: relative;
}

.sanb-placeholder-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 3px solid var(--sanb-primary);
    border-radius: 50%;
    opacity: 0.6;
}

/* Card Content */
.sanb-option-content {
    padding: 16px;
}

.sanb-option-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sanb-text);
    margin: 0 0 6px;
    line-height: 1.3;
}

.sanb-option-content p {
    font-size: 0.825rem;
    color: var(--sanb-text-light);
    margin: 0;
    line-height: 1.5;
}

/* Check Badge */
.sanb-option-check {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    background: var(--sanb-primary);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.2s, transform 0.2s;
}

.sanb-option-check::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 10px;
    width: 6px;
    height: 12px;
    border: solid #fff;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg);
}

/* ─── Checkbox Privacy ─── */
.sanb-field-privacy {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #E8E9EB;
}

.sanb-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--sanb-text);
    line-height: 1.5;
}

.sanb-checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.sanb-checkbox-custom {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--sanb-border);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, border-color 0.15s;
    margin-top: 1px;
}

.sanb-checkbox-label input:checked + .sanb-checkbox-custom {
    background: var(--sanb-primary);
    border-color: var(--sanb-primary);
}

.sanb-checkbox-label input:checked + .sanb-checkbox-custom::after {
    content: '';
    display: block;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-top: -2px;
}

.sanb-checkbox-label input:focus-visible + .sanb-checkbox-custom {
    box-shadow: 0 0 0 3px rgba(0, 102, 77, 0.2);
}

.sanb-checkbox-text a {
    color: var(--sanb-primary);
    text-decoration: underline;
}

.sanb-checkbox-text a:hover {
    color: var(--sanb-primary-dark);
}

/* ─── Submit Button ─── */
.sanb-field-submit {
    margin-top: 32px;
}

.sanb-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--sanb-primary);
    color: #fff;
    border: none;
    padding: 14px 48px;
    font-family: var(--sanb-font);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--sanb-radius);
    cursor: pointer;
    transition: background 0.2s, opacity 0.2s, transform 0.1s;
    letter-spacing: 0.02em;
}

.sanb-btn-primary:hover:not(:disabled) {
    background: var(--sanb-primary-dark);
}

.sanb-btn-primary:active:not(:disabled) {
    transform: scale(0.98);
}

.sanb-btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.sanb-btn-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: sanb-spin 0.8s linear infinite;
}

.sanb-spinner {
    width: 18px;
    height: 18px;
    animation: sanb-spin 0.8s linear infinite;
}

@keyframes sanb-spin {
    to { transform: rotate(360deg); }
}

/* ─── Messages ─── */
#sanb-survey-messages {
    margin: 0;
}

.sanb-msg {
    padding: 16px 32px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sanb-msg-success {
    background: #E8F8F0;
    color: var(--sanb-success);
    border-left: 4px solid var(--sanb-success);
}

.sanb-msg-error {
    background: #FDF0F2;
    color: var(--sanb-error);
    border-left: 4px solid var(--sanb-error);
}

/* ─── Success State ─── */
.sanb-survey-success {
    text-align: center;
    padding: 60px 32px;
}

.sanb-success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 3px solid var(--sanb-success);
    margin: 0 auto 16px;
    position: relative;
}

.sanb-success-icon::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 21px;
    width: 14px;
    height: 26px;
    border: solid var(--sanb-success);
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.sanb-survey-success h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--sanb-text);
    margin: 0 0 8px;
}

.sanb-survey-success p {
    color: var(--sanb-text-light);
    margin: 0;
}

/* ─── Responsive ─── */
@media (max-width: 600px) {
    .sanb-survey-header {
        padding: 22px 20px 20px;
    }
    .sanb-survey-form {
        padding: 24px 20px;
    }
    .sanb-btn-primary {
        width: 100%;
    }
}