:root {
    --bg: #090914;
    --bg-glow-1: rgba(139, 92, 246, .35);
    --bg-glow-2: rgba(34, 211, 238, .22);
    --surface: rgba(255, 255, 255, .055);
    --surface-2: rgba(255, 255, 255, .09);
    --border: rgba(255, 255, 255, .12);
    --text: #eef0ff;
    --muted: #9ea4c8;
    --accent: #8b5cf6;
    --accent-2: #22d3ee;
    --grad: linear-gradient(135deg, #8b5cf6 0%, #6366f1 45%, #22d3ee 100%);
    --danger: #fb7185;
    --warn: #fbbf24;
    --ok: #34d399;
    --shadow: 0 24px 60px -20px rgba(0, 0, 0, .6);
    --radius: 18px;
    --input-bg: rgba(255, 255, 255, .06);
    color-scheme: dark;
}
:root[data-theme="light"] {
    --bg: #f3f4ff;
    --bg-glow-1: rgba(139, 92, 246, .22);
    --bg-glow-2: rgba(34, 211, 238, .22);
    --surface: rgba(255, 255, 255, .72);
    --surface-2: rgba(255, 255, 255, .95);
    --border: rgba(30, 27, 75, .1);
    --text: #14163a;
    --muted: #5d6289;
    --shadow: 0 24px 50px -22px rgba(79, 70, 229, .35);
    --input-bg: rgba(255, 255, 255, .9);
    color-scheme: light;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background:
        radial-gradient(900px 600px at 8% -10%, var(--bg-glow-1), transparent 60%),
        radial-gradient(800px 600px at 100% 0%, var(--bg-glow-2), transparent 60%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Top bar ---------- */
.topbar {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 20px 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
    width: 42px; height: 42px; border-radius: 13px;
    background: var(--grad);
    display: grid; place-items: center;
    box-shadow: 0 10px 30px -8px rgba(99, 102, 241, .7);
    flex: none;
}
.brand-mark svg { width: 24px; height: 24px; }
.brand h1 { font-size: 1.15rem; font-weight: 750; letter-spacing: -.01em; line-height: 1.15; }
.brand p { font-size: .8rem; color: var(--muted); }

.top-actions { display: flex; align-items: center; gap: 10px; }
.lang-seg { height: 42px; align-items: center; border-radius: 13px; flex-wrap: nowrap; flex: none; }
.lang-seg a { display: block; padding: 7px 10px; border-radius: 8px; font-size: .8rem; font-weight: 600; color: var(--muted); text-decoration: none; }
.lang-seg a:hover { color: var(--text); }
.lang-seg a[aria-current="true"] { background: var(--grad); color: #fff; }
.lang-seg a:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 1px; }
.icon-btn {
    width: 42px; height: 42px; border-radius: 13px;
    background: var(--surface); border: 1px solid var(--border);
    color: var(--text); font-size: 1.1rem; cursor: pointer;
    display: grid; place-items: center; flex: none;
    transition: transform .15s, background .2s;
}
.icon-btn:hover { background: var(--surface-2); transform: translateY(-1px); }

.hero { max-width: 1280px; margin: 0 auto; padding: 26px 20px 8px; }
.hero h1 {
    font-size: clamp(1.7rem, 4.2vw, 3rem);
    font-weight: 800; letter-spacing: -.03em; line-height: 1.08;
    max-width: 18ch;
}
.hero h1 span {
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.hero p { margin-top: 10px; color: var(--muted); max-width: 56ch; }

/* ---------- Layout ---------- */
.app {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(340px, .85fr);
    gap: 22px;
    align-items: start;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(22px) saturate(140%);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
    box-shadow: var(--shadow);
}

.panel { overflow: hidden; }

/* ---------- Tabs ---------- */
.tabs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    padding: 8px;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, .14);
}
:root[data-theme="light"] .tabs { background: rgba(79, 70, 229, .06); }
.tab {
    appearance: none; border: 0; background: transparent;
    color: var(--muted); font: inherit; font-weight: 650; font-size: .88rem;
    padding: 11px 4px; border-radius: 12px; cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 6px; min-width: 0;
    transition: background .2s, color .2s;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] {
    background: var(--grad); color: #fff;
    box-shadow: 0 8px 22px -10px rgba(99, 102, 241, .9);
}
.tab .ti { font-size: 1.05rem; }

.pane { padding: 22px; display: none; }
.pane.active { display: block; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.section-title {
    font-size: .74rem; font-weight: 700; letter-spacing: .09em;
    text-transform: uppercase; color: var(--muted);
    margin: 0 0 12px;
}
.section-title:not(:first-child) { margin-top: 26px; }

/* ---------- Type picker ---------- */
.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
    gap: 10px;
}
.type-btn {
    appearance: none; font: inherit; color: var(--text);
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 14px; padding: 12px 6px 10px; cursor: pointer;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    font-size: .8rem; font-weight: 600; text-align: center;
    transition: transform .15s, border-color .2s, background .2s, box-shadow .2s;
}
.type-btn .em { font-size: 1.5rem; line-height: 1; }
.type-btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.type-btn[aria-pressed="true"] {
    border-color: transparent;
    background: linear-gradient(var(--surface-2), var(--surface-2)) padding-box, var(--grad) border-box;
    border: 2px solid transparent;
    box-shadow: 0 10px 26px -12px rgba(99, 102, 241, .9);
}

/* ---------- Form ---------- */
.fields { display: grid; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field > label, .lbl { font-size: .85rem; font-weight: 650; }
.field small { color: var(--muted); font-size: .78rem; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

input[type="text"], input[type="url"], input[type="email"], input[type="tel"],
input[type="number"], input[type="datetime-local"], textarea, select {
    width: 100%;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    font: inherit;
    font-size: 16px; /* evita lo zoom su iOS */
    transition: border-color .2s, box-shadow .2s;
}
textarea { resize: vertical; min-height: 84px; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .7; }
input:focus, textarea:focus, select:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, .22);
}
select option { background: #1b1b33; color: #fff; }
:root[data-theme="light"] select option { background: #fff; color: #14163a; }

/* switch */
.switch { display: flex; align-items: center; gap: 12px; cursor: pointer; font-weight: 600; font-size: .9rem; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch .track {
    width: 44px; height: 26px; border-radius: 99px; background: var(--surface-2);
    border: 1px solid var(--border); position: relative; flex: none; transition: background .2s;
}
.switch .track::after {
    content: ""; position: absolute; top: 2px; left: 2px; width: 20px; height: 20px;
    border-radius: 50%; background: #fff; transition: transform .2s; box-shadow: 0 2px 6px rgba(0,0,0,.3);
}
.switch input:checked + .track { background: var(--grad); border-color: transparent; }
.switch input:checked + .track::after { transform: translateX(18px); }
.switch input:focus-visible + .track { box-shadow: 0 0 0 4px rgba(139, 92, 246, .3); }

/* segmented / chips (radio) */
.seg { display: inline-flex; padding: 3px; gap: 2px; background: var(--input-bg); border: 1px solid var(--border); border-radius: 11px; flex-wrap: wrap; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span {
    display: block; padding: 7px 13px; border-radius: 8px; font-size: .84rem; font-weight: 600; color: var(--muted);
    transition: background .2s, color .2s;
}
.seg input:checked + span { background: var(--grad); color: #fff; }
.seg input:focus-visible + span { outline: 2px solid var(--accent-2); outline-offset: 1px; }

.shape-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.shape-grid label { cursor: pointer; position: relative; }
.shape-grid input { position: absolute; opacity: 0; pointer-events: none; }
.shape-grid .chip {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    padding: 9px 10px 7px; min-width: 76px;
    background: var(--input-bg); border: 1px solid var(--border); border-radius: 12px;
    font-size: .74rem; font-weight: 600; color: var(--muted);
    transition: border-color .2s, color .2s, transform .15s;
}
.shape-grid .chip:hover { transform: translateY(-1px); }
.shape-grid .chip svg { width: 34px; height: 34px; fill: currentColor; }
.shape-grid input:checked + .chip { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 3px rgba(139, 92, 246, .25); }
.shape-grid input:focus-visible + .chip { outline: 2px solid var(--accent-2); }

/* presets */
.preset-list { display: flex; flex-wrap: wrap; gap: 10px; }
.preset {
    appearance: none; font: inherit; color: var(--text); cursor: pointer;
    background: var(--input-bg); border: 1px solid var(--border); border-radius: 14px;
    padding: 8px 12px 8px 8px; display: flex; align-items: center; gap: 9px;
    font-size: .82rem; font-weight: 600; position: relative;
    transition: transform .15s, border-color .2s;
}
.preset:hover { transform: translateY(-2px); border-color: var(--accent); }
.preset.active { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(139, 92, 246, .25); }
.preset .sw { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; border: 1px solid rgba(128,128,128,.25); }
.preset .sw i { width: 18px; height: 18px; border-radius: 6px; display: block; }
.preset .del { margin-left: 2px; color: var(--muted); font-size: 1rem; line-height: 1; padding: 0 2px; }
.preset .del:hover { color: var(--danger); }
.preset-save { border-style: dashed; color: var(--muted); padding: 8px 14px; }

/* colour field */
.cf {
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 14px; padding: 14px; display: grid; gap: 12px;
}
.cf-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.cf-head b { font-size: .88rem; }
.cf-colors { display: flex; gap: 10px; align-items: center; }
.cf-grad { display: grid; gap: 10px; }
.cf-grad-row { display: flex; gap: 10px; align-items: center; }
.cf-grad-row select { flex: 1; padding: 9px 12px; }
input[type="color"] {
    -webkit-appearance: none; appearance: none;
    width: 100%; min-width: 44px; height: 44px; padding: 0;
    border: 2px solid var(--border); border-radius: 12px;
    background: transparent; cursor: pointer; overflow: hidden;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: 0; border-radius: 9px; }
input[type="color"]::-moz-color-swatch { border: 0; border-radius: 9px; }
.cf-colors input[type="color"] { flex: 1; }

.rot { display: flex; align-items: center; gap: 12px; font-size: .82rem; color: var(--muted); }
.rot output { min-width: 3.2ch; text-align: right; color: var(--text); font-weight: 650; }

input[type="range"] {
    -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 99px;
    background: var(--surface-2); border: 1px solid var(--border); outline: none; flex: 1;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%;
    background: var(--grad); border: 3px solid #fff; cursor: pointer; box-shadow: 0 3px 10px rgba(0,0,0,.35);
}
input[type="range"]::-moz-range-thumb {
    width: 18px; height: 18px; border-radius: 50%; background: #8b5cf6; border: 3px solid #fff; cursor: pointer;
}
.range-row { display: flex; align-items: center; gap: 14px; }
.range-row output { min-width: 4ch; text-align: right; font-weight: 700; font-size: .9rem; }

/* dropzone */
.drop {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
    padding: 28px 16px; border: 2px dashed var(--border); border-radius: 16px;
    background: var(--input-bg); text-align: center; cursor: pointer;
    transition: border-color .2s, background .2s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--surface-2); }
.drop .big { font-size: 2rem; }
.drop b { font-size: .95rem; }
.drop small { color: var(--muted); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.logo-card { display: flex; align-items: center; gap: 14px; padding: 12px; border: 1px solid var(--border); border-radius: 14px; background: var(--input-bg); }
.logo-card img { width: 64px; height: 64px; object-fit: contain; border-radius: 10px; background: #fff; border: 1px solid var(--border); }
.logo-card .meta { flex: 1; min-width: 0; font-size: .85rem; color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
    appearance: none; border: 0; font: inherit; font-weight: 700; font-size: .92rem;
    padding: 13px 18px; border-radius: 13px; cursor: pointer; color: var(--text);
    background: var(--surface-2); border: 1px solid var(--border);
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    transition: transform .15s, box-shadow .2s, background .2s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary {
    background: var(--grad); color: #fff; border-color: transparent;
    box-shadow: 0 14px 28px -12px rgba(99, 102, 241, .85);
}
.btn-primary:hover { box-shadow: 0 18px 34px -12px rgba(99, 102, 241, 1); }
.btn-danger { color: var(--danger); }
.btn-sm { padding: 8px 12px; font-size: .82rem; border-radius: 10px; }
.btn:focus-visible, .type-btn:focus-visible, .tab:focus-visible, .preset:focus-visible, .icon-btn:focus-visible {
    outline: 2px solid var(--accent-2); outline-offset: 2px;
}

/* ---------- Preview ---------- */
.preview { position: sticky; top: 18px; padding: 20px; display: grid; gap: 16px; }
.stage {
    border-radius: 16px; padding: 22px; display: grid; place-items: center;
    background:
        radial-gradient(circle at 30% 20%, rgba(139, 92, 246, .18), transparent 55%),
        var(--input-bg);
    border: 1px solid var(--border);
    min-height: 300px;
}
#canvas {
    background: #fff; padding: 14px; border-radius: 18px; line-height: 0;
    box-shadow: 0 20px 50px -18px rgba(0, 0, 0, .55);
    max-width: 100%; transition: transform .25s;
}
#canvas.transparent {
    background-color: #fff;
    background-image:
        linear-gradient(45deg, #d9d9e6 25%, transparent 25%, transparent 75%, #d9d9e6 75%),
        linear-gradient(45deg, #d9d9e6 25%, transparent 25%, transparent 75%, #d9d9e6 75%);
    background-size: 16px 16px; background-position: 0 0, 8px 8px;
}
#canvas > canvas, #canvas > svg { width: 100% !important; height: auto !important; max-width: 300px; display: block; }
#canvas:empty { display: none; }
.empty-hint { color: var(--muted); font-size: .9rem; text-align: center; max-width: 24ch; }
.empty-hint .big { font-size: 2.4rem; display: block; margin-bottom: 6px; }

.qr-error {
    padding: 11px 14px; border-radius: 12px; font-size: .88rem; font-weight: 550;
    background: rgba(251, 113, 133, .12); border: 1px solid rgba(251, 113, 133, .4); color: var(--danger);
}

.qr-error.soft { background: var(--input-bg); border-color: var(--border); color: var(--muted); font-weight: 500; }

.badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 11px; border-radius: 99px; font-size: .78rem; font-weight: 650;
    background: var(--input-bg); border: 1px solid var(--border); color: var(--muted);
}
.badge i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: block; }
.badge.ok { color: var(--ok); } .badge.ok i { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.badge.warn { color: var(--warn); } .badge.warn i { background: var(--warn); box-shadow: 0 0 10px var(--warn); }
.badge.bad { color: var(--danger); } .badge.bad i { background: var(--danger); box-shadow: 0 0 10px var(--danger); }
.hint { font-size: .8rem; color: var(--warn); }

.actions { display: grid; gap: 10px; }
.actions .formats { display: flex; justify-content: center; }
.actions .btns { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; }

/* mobile dock */
.dock { display: none; }

/* ---------- Footer ---------- */
footer { text-align: center; padding: 34px 20px 44px; color: var(--muted); font-size: .85rem; }
footer strong { color: var(--text); }

/* ---------- Toast ---------- */
.toast {
    position: fixed; left: 50%; bottom: 96px; transform: translate(-50%, 20px);
    background: #111127; color: #fff; padding: 11px 18px; border-radius: 12px;
    font-size: .88rem; font-weight: 600; opacity: 0; pointer-events: none;
    transition: opacity .25s, transform .25s; z-index: 50; border: 1px solid rgba(255,255,255,.15);
    box-shadow: 0 14px 34px rgba(0,0,0,.45); max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .app { grid-template-columns: 1fr; padding: 14px 14px 110px; gap: 16px; }
    .preview { position: static; order: -1; padding: 14px; }
    .stage { min-height: 0; padding: 16px; }
    #canvas > canvas, #canvas > svg { max-width: 200px; }
    #canvas { padding: 10px; border-radius: 14px; }
    .hero { padding: 16px 16px 0; }
    .topbar { padding: 14px 16px 0; }
    .actions { display: none; }
    .dock {
        display: flex; align-items: center; gap: 10px;
        position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
        padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
        background: var(--surface-2);
        backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
        border-top: 1px solid var(--border);
    }
    .dock canvas {
        width: 52px; height: 52px; border-radius: 10px; background: #fff; flex: none;
        border: 1px solid var(--border); cursor: pointer;
    }
    .dock .btn-primary { flex: 1; }
    .toast { bottom: 90px; }
}
@media (max-width: 560px) {
    .brand p { display: none; }
    .brand h1 { font-size: 1rem; }
    .top-actions { gap: 8px; }
    .lang-seg a { padding: 7px 8px; }
    .pane { padding: 16px; }
    .tab .tl { font-size: .78rem; }
    .tab { flex-direction: column; gap: 2px; padding: 9px 2px; }
    .type-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .row2 { grid-template-columns: 1fr; }
    .hero p { font-size: .92rem; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ================= Aggiunte v2 ================= */
.skip-link {
    position: absolute; left: 12px; top: -60px; z-index: 100;
    background: var(--grad); color: #fff; padding: 10px 16px; border-radius: 10px;
    font-weight: 700; text-decoration: none; transition: top .2s;
}
.skip-link:focus { top: 12px; }

.brand a { color: inherit; text-decoration: none; display: contents; }

.type-group-title {
    grid-column: 1 / -1; font-size: .72rem; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; color: var(--muted); margin: 8px 0 -2px;
}
.type-group-title:first-child { margin-top: 0; }

.switch small { display: block; font-weight: 500; color: var(--muted); margin: 0; }
.switch > span:last-child { display: block; }

.dyn-box {
    margin-top: 18px; padding: 14px; border-radius: 14px;
    border: 1px dashed var(--accent); background: var(--input-bg); display: grid; gap: 12px;
}
.dyn-box[hidden] { display: none; }
.dyn-box p { font-size: .84rem; color: var(--muted); }
.dyn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.dyn-link { font-size: .82rem; word-break: break-all; color: var(--accent-2); }

.glyph-row { margin-top: 12px; display: grid; gap: 10px; }
.glyph-row[hidden] { display: none; }
.glyph-presets { display: flex; gap: 6px; flex-wrap: wrap; }
.glyph-presets button {
    appearance: none; font-size: 1.2rem; width: 42px; height: 42px; border-radius: 11px; cursor: pointer;
    background: var(--input-bg); border: 1px solid var(--border); color: var(--text);
}
.glyph-presets button:hover { border-color: var(--accent); }

.frame-prev { display: grid; gap: 14px; }
.frame-prev[hidden] { display: none; }

/* strumenti */
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.tool {
    appearance: none; font: inherit; color: var(--text); text-align: left; cursor: pointer;
    background: var(--input-bg); border: 1px solid var(--border); border-radius: 14px; padding: 14px;
    display: grid; gap: 4px; transition: transform .15s, border-color .2s;
}
.tool:hover { transform: translateY(-2px); border-color: var(--accent); }
.tool .em { font-size: 1.5rem; line-height: 1; }
.tool b { font-size: .9rem; }
.tool small { color: var(--muted); font-size: .76rem; }
.tool[hidden] { display: none; }

.history { display: grid; gap: 10px; }
.hist-item {
    display: grid; grid-template-columns: 56px 1fr auto; gap: 12px; align-items: center;
    padding: 10px; border-radius: 14px; border: 1px solid var(--border); background: var(--input-bg);
}
.hist-item img { width: 56px; height: 56px; border-radius: 10px; background: #fff; object-fit: contain; border: 1px solid var(--border); }
.hist-open { all: unset; cursor: pointer; display: grid; gap: 2px; min-width: 0; }
.hist-open:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; border-radius: 6px; }
.hist-open b { font-size: .88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-open small { color: var(--muted); font-size: .74rem; }
.hist-actions { display: flex; gap: 4px; }
.hist-actions button {
    appearance: none; background: transparent; border: 0; cursor: pointer; font-size: 1.05rem;
    width: 36px; height: 36px; border-radius: 10px; color: var(--text);
}
.hist-actions button:hover { background: var(--surface-2); }
.hist-empty { color: var(--muted); font-size: .88rem; padding: 6px 0; }

/* dialog */
dialog {
    border: 1px solid var(--border); border-radius: 20px; padding: 0; color: var(--text);
    background: var(--bg); width: min(560px, calc(100vw - 24px)); max-height: calc(100vh - 24px);
    box-shadow: 0 40px 100px -20px rgba(0,0,0,.7);
}
dialog::backdrop { background: rgba(5, 5, 20, .6); backdrop-filter: blur(4px); }
.dlg-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.dlg-head h3 { font-size: 1.05rem; }
.dlg-body { padding: 18px 20px 20px; display: grid; gap: 14px; overflow-y: auto; max-height: calc(100vh - 140px); }
.dlg-foot { display: flex; gap: 10px; flex-wrap: wrap; }
.dlg-foot .btn { flex: 1; }
.scan-video { width: 100%; max-height: 320px; border-radius: 14px; background: #000; object-fit: cover; }
.scan-result { padding: 12px; border-radius: 12px; background: var(--input-bg); border: 1px solid var(--border); word-break: break-word; font-size: .9rem; white-space: pre-wrap; }
.progress { height: 8px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: var(--grad); transition: width .15s; }
textarea.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; min-height: 140px; }

/* seo / contenuti */
.seo { max-width: 1280px; margin: 8px auto 0; padding: 20px; display: grid; gap: 22px; }
.seo article { padding: 26px; }
.seo h2 { font-size: 1.35rem; letter-spacing: -.02em; margin-bottom: 10px; }
.seo h3 { font-size: 1rem; margin: 16px 0 4px; }
.seo p, .seo li { color: var(--muted); font-size: .95rem; }
.seo ul, .seo ol { padding-left: 20px; display: grid; gap: 6px; margin-top: 8px; }
.seo details { border-top: 1px solid var(--border); padding: 12px 0; }
.seo summary { cursor: pointer; font-weight: 650; }
.seo details p { margin-top: 8px; }
.seo-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.seo-links a {
    padding: 7px 12px; border-radius: 99px; background: var(--input-bg); border: 1px solid var(--border);
    color: var(--text); text-decoration: none; font-size: .84rem; font-weight: 600;
}
.seo-links a:hover { border-color: var(--accent); }
.seo-links a[aria-current="page"] { background: var(--grad); color: #fff; border-color: transparent; }

footer a { color: var(--text); font-weight: 650; text-underline-offset: 3px; }
footer .flinks { margin-top: 8px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.install-btn[hidden] { display: none; }

/* stampa: solo il foglio */
#printSheet { display: none; }
@media print {
    body > *:not(#printSheet) { display: none !important; }
    body { background: #fff !important; }
    #printSheet { display: grid !important; }
}

@media (max-width: 560px) {
    .tool-grid { grid-template-columns: 1fr; }
    .tabs { gap: 2px; padding: 6px; }
    .tab .tl { font-size: .7rem; }
    .seo article { padding: 18px; }
}

/* sezione "perche' il nostro generatore" */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.why-card {
    background: var(--input-bg); border: 1px solid var(--border); border-radius: 16px; padding: 20px;
    transition: transform .2s, border-color .2s;
}
.why-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.why-ic {
    width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(139,92,246,.25), rgba(34,211,238,.2)); margin-bottom: 12px;
}
.seo .why-card h3 { font-size: 1rem; margin: 0 0 6px; color: var(--text); }
.seo .why-card p { font-size: .88rem; }
.steps { list-style: none; padding: 0 !important; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px !important; }
.steps li { display: flex; gap: 14px; align-items: flex-start; padding: 16px; border-radius: 16px; background: var(--input-bg); border: 1px solid var(--border); }
.steps b {
    flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
    background: var(--grad); color: #fff; font-size: 1rem;
}
.seo .steps h3 { margin: 0 0 4px; font-size: 1rem; color: var(--text); }
.seo .steps p { font-size: .88rem; }
@media (max-width: 1100px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .why-grid { grid-template-columns: 1fr; } }

.types-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.type-card{display:block;padding:14px 16px;border:1px solid var(--border);border-radius:14px;background:var(--surface);text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.type-card:hover,.type-card:focus-visible{transform:translateY(-2px);border-color:var(--accent)}
.type-card h3{margin:0 0 4px;font-size:1rem}
.type-card p{margin:0;font-size:.85rem;opacity:.75}
@media(max-width:1000px){.types-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.types-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:440px){.types-grid{grid-template-columns:1fr}}

.bmc{display:flex;align-items:center;justify-content:center;gap:8px;margin:12px 0 0;padding:11px 16px;border-radius:12px;background:#ffdd00;color:#1a1a1a;font-weight:700;text-decoration:none;box-shadow:0 4px 14px -6px rgba(255,221,0,.6);transition:transform .15s,filter .15s}
.bmc:hover,.bmc:focus-visible{transform:translateY(-1px);filter:brightness(1.05)}