/* ============================================================
   Bollo Auto – Design v2 (ispirato a screenshot utente)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ── Variabili ─────────────────────────────────────────────── */
.ba-wrapper {
    --ba-bg:        #1a1e2e;
    --ba-card:      #22263a;
    --ba-card2:     #2a2f47;
    --ba-border:    rgba(255,255,255,0.07);
    --ba-orange:    #f97316;
    --ba-orange2:   #fb923c;
    --ba-text:      #f1f5f9;
    --ba-muted:     #64748b;
    --ba-muted2:    #94a3b8;
    --ba-input-bg:  #1e2235;
    --ba-radius:    20px;
    --ba-radius-sm: 12px;
    --ba-font:      'Inter', system-ui, sans-serif;
    --ba-trans:     0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ── Wrapper & Default ───────────────────────────────────────*/
.ba-wrapper {
    font-family: var(--ba-font);
    background: linear-gradient(135deg, #312774 0%, #1e1760 40%, #0f1255 70%, #1a1e2e 100%) !important;
    border-radius: var(--ba-radius);
    max-width: 600px;
    margin: 2rem auto;
    padding: 2.5rem 2rem 2rem;
    color: var(--ba-text);
    box-shadow: 0 30px 70px rgba(0,0,0,0.5);
    box-sizing: border-box;
}
.ba-wrapper * {
    box-sizing: border-box;
}

/* ── Hero ────────────────────────────────────────────────────*/
.ba-hero {
    text-align: center;
    margin-bottom: 2rem;
}
.ba-hero h2 {
    font-size: 2.1rem;
    font-weight: 900;
    margin: 0 0 0.5rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: #fff;
}
.ba-hero h2 .ba-accent {
    color: var(--ba-orange);
}
.ba-hero .ba-subtitle {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    margin: 0;
    letter-spacing: 0.01em;
}

/* ── Card form ───────────────────────────────────────────────*/
.ba-form-card {
    background: var(--ba-card);
    border-radius: var(--ba-radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ── Gruppi / label ──────────────────────────────────────────*/
.ba-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.ba-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ba-label-text {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--ba-muted2);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ── Toggle kW / CV ────────────────────────────────────────*/
.ba-unit-toggle {
    display: flex;
    background: rgba(0,0,0,0.2);
    border-radius: 999px;
    padding: 2px;
}
.ba-unit-opt {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--ba-muted);
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--ba-trans);
    user-select: none;
}
.ba-wrapper .ba-unit-opt input,
.ba-wrapper .ba-unit-opt input[type="radio"] { 
    display: none !important; 
    opacity: 0 !important; 
    position: absolute !important; 
}
.ba-unit-opt.active {
    background: var(--ba-orange);
    color: #fff;
    box-shadow: 0 1px 5px rgba(249,115,22,0.4);
}

/* ── Griglia 2 colonne ───────────────────────────────────────*/
.ba-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ── Select ──────────────────────────────────────────────────*/
.ba-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--ba-input-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 1rem center;
    border: 1px solid var(--ba-border);
    border-radius: var(--ba-radius-sm);
    color: var(--ba-text);
    font-family: var(--ba-font);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.8rem 2.5rem 0.8rem 1rem;
    cursor: pointer;
    width: 100%;
    transition: border-color var(--ba-trans), box-shadow var(--ba-trans);
    margin: 0 !important;
    height: auto !important;
    line-height: normal !important;
}
.ba-select:focus {
    outline: none;
    border-color: var(--ba-orange);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}
.ba-select option { background: #1e2235; }

/* ── Input stepper ───────────────────────────────────────────*/
.ba-stepper {
    display: flex;
    background: var(--ba-input-bg);
    border: 1px solid var(--ba-border);
    border-radius: var(--ba-radius-sm);
    overflow: hidden;
    transition: border-color var(--ba-trans), box-shadow var(--ba-trans);
}
.ba-stepper:focus-within {
    border-color: var(--ba-orange);
    box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}
.ba-stepper input[type=number] {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--ba-text);
    font-family: var(--ba-font);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.8rem 0 0.8rem 1rem;
    min-width: 0;
    margin: 0 !important;
    height: auto !important;
    box-shadow: none !important;
}
.ba-stepper input::-webkit-outer-spin-button,
.ba-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; }
.ba-stepper input[type=number] { -moz-appearance: textfield; }
.ba-stepper input::placeholder { color: var(--ba-muted); font-weight: 400; }

.ba-step-btn {
    background: rgba(255,255,255,0.06);
    border: none;
    border-left: 1px solid var(--ba-border);
    color: var(--ba-muted2);
    font-size: 1.1rem;
    width: 38px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--ba-trans), color var(--ba-trans);
    font-weight: 600;
    line-height: 1;
}
.ba-step-btn:hover { background: rgba(249,115,22,0.15); color: var(--ba-orange); }

/* ── Pills carburante ────────────────────────────────────────*/
.ba-pills {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.ba-pill {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    border: 1.5px solid var(--ba-border);
    background: var(--ba-input-bg);
    color: var(--ba-muted2);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ba-trans);
    white-space: nowrap;
    user-select: none;
    margin: 0 !important;
}
.ba-wrapper .ba-pill input,
.ba-wrapper .ba-pill input[type="radio"] { 
    display: none !important; 
    opacity: 0 !important;
    position: absolute !important;
}
.ba-pill:hover {
    border-color: var(--ba-orange);
    color: var(--ba-orange);
}
.ba-pill.active {
    background: var(--ba-orange);
    border-color: var(--ba-orange);
    color: #fff;
    box-shadow: 0 2px 12px rgba(249,115,22,0.35);
}

/* ── Checkbox esenzioni ──────────────────────────────────────*/
.ba-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.ba-check-item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem 1.1rem;
    background: var(--ba-input-bg);
    border: 1.5px solid var(--ba-border);
    border-radius: var(--ba-radius-sm);
    cursor: pointer;
    transition: border-color var(--ba-trans), background var(--ba-trans);
}
.ba-check-item:hover {
    border-color: rgba(249,115,22,0.3);
    background: rgba(249,115,22,0.04);
}
.ba-check-item.checked {
    border-color: var(--ba-orange);
    background: rgba(249,115,22,0.07);
}
.ba-wrapper .ba-check-item input,
.ba-wrapper .ba-check-item input[type="checkbox"] { 
    display: none !important; 
    opacity: 0 !important;
    position: absolute !important;
}

/* Checkbox custom */
.ba-check-box {
    width: 18px;
    height: 18px;
    min-width: 18px;
    border-radius: 5px;
    border: 2px solid var(--ba-muted);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    transition: all var(--ba-trans);
}
.ba-check-item.checked .ba-check-box {
    background: var(--ba-orange);
    border-color: var(--ba-orange);
}
.ba-check-box::after {
    content: '';
    display: none;
    width: 5px;
    height: 9px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg) translateY(-1px);
}
.ba-check-item.checked .ba-check-box::after { display: block; }

.ba-check-text strong {
    display: block;
    font-size: 0.9rem;
    color: var(--ba-text);
    font-weight: 600;
}
.ba-check-text small {
    display: block;
    font-size: 0.75rem;
    color: var(--ba-muted);
    margin-top: 0.15rem;
    font-weight: 400;
}

/* ── Bottone CTA ─────────────────────────────────────────────*/
.ba-btn-cta {
    width: 100%;
    padding: 1.05rem;
    border-radius: var(--ba-radius-sm);
    border: none;
    font-family: var(--ba-font);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--ba-trans);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.08);
    color: var(--ba-muted2);
    letter-spacing: 0.01em;
    margin-top: 0.25rem;
}
.ba-btn-cta.ready {
    background: var(--ba-orange);
    color: #fff;
    box-shadow: 0 4px 20px rgba(249,115,22,0.4);
}
.ba-btn-cta.ready:hover {
    background: var(--ba-orange2);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(249,115,22,0.5);
}
.ba-btn-cta.ready:active { transform: translateY(0); }
.ba-btn-cta:disabled { opacity: 0.5; cursor: not-allowed; }

/* Spinner */
.ba-spinner {
    width: 16px; height: 16px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: ba-spin 0.7s linear infinite;
    display: none;
}
.ba-btn-cta.loading .ba-spinner { display: block; }
.ba-btn-cta.loading .ba-btn-label { display: none; }
@keyframes ba-spin { to { transform: rotate(360deg); } }

/* ── Messaggio errore input ──────────────────────────────────*/
.ba-field-error {
    font-size: 0.75rem;
    color: #f87171;
    display: none;
    margin-top: -0.2rem;
}
.ba-field-error.visible { display: block; }

/* ── Box risultato ───────────────────────────────────────────*/
.ba-result-box {
    margin-top: 1.5rem;
    background: rgba(249,115,22,0.06);
    border: 1.5px solid rgba(249,115,22,0.3);
    border-radius: var(--ba-radius);
    padding: 1.75rem 2rem;
    animation: ba-slidein 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes ba-slidein {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0)    scale(1); }
}
.ba-result-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ba-orange);
    margin-bottom: 0.4rem;
}
.ba-result-amount {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: #fff;
    line-height: 1;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
}
.ba-result-amount span {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ba-muted2);
    vertical-align: super;
    margin-right: 4px;
}

.ba-result-rows {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: 0.82rem;
    background: rgba(0,0,0,0.2);
    border-radius: 10px;
    padding: 0.9rem 1rem;
    margin-bottom: 1rem;
}
.ba-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ba-result-row .ba-rr-key { color: var(--ba-muted2); }
.ba-result-row .ba-rr-val { color: #fff; font-weight: 600; }
.ba-result-row .ba-rr-val.orange { color: var(--ba-orange); }
.ba-result-divider { border: none; border-top: 1px solid var(--ba-border); margin: 0.3rem 0; }

.ba-result-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.ba-badge {
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    border: 1px solid transparent;
}
.ba-badge-green  { background: rgba(34,197,94,0.1);  border-color: rgba(34,197,94,0.3);  color: #4ade80; }
.ba-badge-orange { background: rgba(249,115,22,0.1); border-color: rgba(249,115,22,0.3); color: var(--ba-orange); }
.ba-badge-red    { background: rgba(239,68,68,0.1);  border-color: rgba(239,68,68,0.3);  color: #f87171; }

.ba-disclaimer {
    font-size: 0.72rem;
    color: var(--ba-muted);
    line-height: 1.6;
    margin: 0;
}
.ba-disclaimer a { color: var(--ba-orange2); text-decoration: none; }
.ba-disclaimer a:hover { text-decoration: underline; }

/* ── Error box ───────────────────────────────────────────────*/
.ba-error-global {
    margin-top: 1rem;
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--ba-radius-sm);
    padding: 0.85rem 1.1rem;
    color: #f87171;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── Responsive ──────────────────────────────────────────────*/
@media (max-width: 520px) {
    .ba-wrapper { padding: 1.5rem 1rem 1.5rem; margin: 1rem; }
    .ba-form-card { padding: 1.25rem; }
    .ba-row-2col { grid-template-columns: 1fr; }
    .ba-hero h2 { font-size: 1.6rem; }
    .ba-result-amount { font-size: 2.25rem; }
    .ba-result-box { padding: 1.25rem; }
    .ba-pills { flex-direction: column; }
    .ba-pill { justify-content: center; }
}