:root {
    --tp-cyan: #00ced1;
    --tp-cyan-dark: #0e8f93;
    --ink: #333333;
    --muted: #666666;
    --line: rgba(0, 0, 0, 0.1);
    --primary-soft: rgba(0, 206, 209, 0.1);
    --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    font-family: Inter, "Segoe UI", system-ui, sans-serif;
    color: var(--ink);
    background: #fff;
}

button, input { font: inherit; }

.wrap {
    width: min(760px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0 64px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--tp-cyan-dark);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

h1 {
    margin: 0 0 8px;
    font-size: 1.8rem;
    line-height: 1.2;
}

.lead, .footnote {
    color: var(--muted);
    line-height: 1.5;
}

.lead { margin: 0 0 24px; }

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.92rem;
    font-weight: 600;
}

input[type="text"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    outline: none;
    background: #fff;
}

input[type="text"]:focus {
    border-color: var(--tp-cyan);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.messaggio {
    margin: 18px 0 0;
    color: var(--ink);
}

.card {
    margin-top: 14px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.isa-code {
    padding: 0;
    border: 0;
    background: none;
    color: var(--tp-cyan-dark);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    cursor: pointer;
}

.pills { display: flex; flex-wrap: wrap; gap: 6px; }

.pill {
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--tp-cyan-dark);
    font-size: 0.75rem;
    font-weight: 600;
}

.card h2 {
    margin: 8px 0 12px;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.voci { display: flex; flex-direction: column; gap: 6px; }

.voce {
    display: flex;
    gap: 12px;
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-radius: 8px;
    background: #fafafa;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.voce:hover, .voce.selezionata { background: var(--primary-soft); }

.voce-code {
    flex: 0 0 88px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

details { margin-top: 8px; }

summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 0.88rem;
}

details .voci { margin-top: 8px; }

.usa {
    margin-top: 12px;
    padding: 8px 12px;
    border: 0;
    border-radius: 8px;
    background: var(--tp-cyan);
    color: #08383a;
    font-weight: 700;
    cursor: pointer;
}

.usa:hover { background: var(--tp-cyan-dark); color: #fff; }

#classifica {
    margin-top: 28px;
    padding-top: 8px;
}

#classifica h2 { margin: 0 0 8px; font-size: 1.15rem; }

.campi {
    display: flex;
    gap: 12px;
    align-items: end;
    margin-bottom: 12px;
}

.campi label { flex: 0 0 120px; }
.campi label.cresce { flex: 1; }

#anno { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }

#avvia {
    padding: 12px 16px;
    border: 0;
    border-radius: 10px;
    background: var(--tp-cyan-dark);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

#avvia:disabled, .secondario:disabled { opacity: 0.6; cursor: progress; }

.secondario {
    margin-top: 16px;
    padding: 12px 16px;
    border: 0;
    border-radius: 10px;
    background: var(--tp-cyan-dark);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.totale { margin: 16px 0 0; font-weight: 600; }

.cat {
    margin-top: 14px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.cat-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
}

.cat h3 { margin: 0; font-size: 1rem; }
.importo { font-weight: 800; font-variant-numeric: tabular-nums; }
.cosa { margin: 4px 0 0; color: var(--muted); font-size: 0.88rem; }

.gruppo {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
    font-size: 0.92rem;
}

.errore { color: #c0392b; }

.footnote {
    margin-top: 28px;
    font-size: 0.82rem;
}