/* C: modi d'uso */
.cu {
	--cu-phone: #0e0b2e; --cu-screen: #ffffff; --cu-chat: #efeae2; --cu-me: #d9fdd3;
	display: grid; gap: 18px; margin-top: 36px;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cu { --cu-phone: #000; --cu-screen: #1b1650; --cu-chat: #0d0a35; --cu-me: #134d37; } }
:root[data-theme="dark"] .cu { --cu-phone: #000; --cu-screen: #1b1650; --cu-chat: #0d0a35; --cu-me: #134d37; }

/* C: schede grandi */
.cu-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.cu-tab { all: unset; box-sizing: border-box; cursor: pointer; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 4px 14px; align-items: center;
	padding: 18px 20px; border-radius: var(--r-card); background: var(--surface); border: 1.5px solid var(--line); transition: border-color .2s, transform .2s, box-shadow .2s; }
.cu-tab:hover { border-color: var(--ink-2); }
.cu-tab:focus-visible { outline: 3px solid var(--review); outline-offset: 2px; }
.cu-tab[aria-selected="true"] { border-color: var(--ink); box-shadow: var(--card-shadow); transform: translateY(-2px); }
.cu-tab__ico { grid-row: span 2; width: 52px; height: 52px; border-radius: 14px; background: var(--surface-2); display: grid; place-items: center; color: var(--ink); }
.cu-tab[aria-selected="true"] .cu-tab__ico { background: var(--ink); color: var(--surface); }
.cu-tab__ico svg { width: 26px; height: 26px; }
.cu-tab b { font: 700 19px/1.15 var(--display); color: var(--ink); }
.cu-tab small { font-size: 13px; color: var(--muted); }

/* C: pannelli */
.cu-pane { background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--r-card) + 6px); box-shadow: var(--card-shadow);
	padding: clamp(20px, 3.5vw, 36px); display: grid; gap: 22px; }
.cu-pane[hidden], .cu-in[hidden] { display: none; }
.cu-in { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(20px, 4vw, 48px); align-items: center; }
.cu-col { display: grid; gap: 18px; min-width: 0; }
.cu-col h3 { font: 700 22px/1.15 var(--display); color: var(--ink); margin: 0; }
.cu-col h4 { font-size: 16px; color: var(--ink); margin: 0; }
.cu-k { color: var(--muted); font-size: 15.5px; margin: 0; max-width: 54ch; }
.cu-small { font-size: 13px; color: var(--muted); margin: 0; }
.cu-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cu-seg { display: inline-flex; padding: 4px; border-radius: 12px; background: var(--surface-2); gap: 4px; width: fit-content; max-width: 100%; }
.cu-seg button { all: unset; box-sizing: border-box; cursor: pointer; padding: 8px 16px; border-radius: 9px; font-weight: 700; font-size: 14px; color: var(--muted); display: inline-flex; gap: 7px; align-items: center; }
.cu-seg button svg { width: 15px; height: 15px; flex: none; }
.cu-seg button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(5,0,61,.12); }
.cu-seg button:focus-visible { outline: 2px solid var(--review); }
.cu-passi { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: s; }
.cu-passi li { counter-increment: s; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; align-items: start; font-size: 15px; color: var(--text); }
.cu-passi li::before { content: counter(s); width: 28px; height: 28px; border-radius: 50%; background: var(--surface-2); color: var(--ink); font: 700 13px/28px var(--mono); text-align: center; }
.cu-passi b { color: var(--ink); }
.cu-wa { background: #1f9d55; border-color: #1f9d55; color: #fff; }
.cu-wa svg { width: 18px; height: 18px; }
.cu-wa[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.cu-presto { display: inline-block; padding: 3px 8px; border-radius: 99px; background: var(--note); color: #05003d; font-weight: 700; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }
.cu-qr { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 14px; align-items: center; padding: 14px 16px; border-radius: 14px; background: var(--bg); border: 1px solid var(--line); }
.cu-qr[hidden] { display: none; }
.cu-qr__img { width: 96px; height: 96px; border-radius: 10px; background: #fff; padding: 6px; box-sizing: border-box; }
.cu-qr__img svg { width: 100%; height: 100%; display: block; }

/* C: scena animata */
.cu-stage { position: relative; min-height: 360px; display: grid; place-items: center; border-radius: 18px; overflow: hidden; padding: 20px 12px 34px;
	background: radial-gradient(circle at 30% 20%, var(--surface-2), transparent 60%), var(--bg); border: 1px solid var(--line); }
.cu-cap { position: absolute; left: 14px; right: 14px; bottom: 12px; font: 500 11px/1.4 var(--mono); color: var(--muted); text-align: center; }
.cu-win { width: min(100%, 380px); border-radius: 12px; background: var(--cu-screen); border: 1px solid var(--line); box-shadow: var(--card-shadow); overflow: hidden; }
.cu-win__bar { display: flex; align-items: center; gap: 6px; padding: 9px 10px; background: var(--surface-2); }
.cu-win__bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); flex: none; }
.cu-url { flex: 1; min-width: 0; margin-left: 6px; height: 24px; border-radius: 7px; background: var(--cu-screen); font: 400 10.5px/24px var(--mono); color: var(--muted); padding: 0 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cu-p { width: 24px; height: 24px; border-radius: 7px; background: var(--ink); color: var(--surface); font: 800 13px/24px var(--display); text-align: center; flex: none; }
.cu-win__body { padding: 16px 16px 20px; display: grid; gap: 8px; position: relative; min-height: 190px; }
.cu-ln { height: 8px; border-radius: 4px; background: var(--surface-2); }
.cu-ln.t { height: 14px; width: 80%; background: var(--line); margin-bottom: 4px; }
.cu-pin { position: absolute; width: 30px; height: 30px; border-radius: 8px; transform: scale(0); box-shadow: 2px 4px 10px rgba(5,0,61,.3); }
.cu-pin.n { border-radius: 50%; background: var(--note); left: 62%; top: 40px; animation: cu-pop 6s infinite; }
.cu-pin.r { background: var(--review); left: 22%; top: 92px; animation: cu-pop 6s .4s infinite; }
.cu-pin.f { background: var(--fact); left: 74%; top: 128px; animation: cu-pop 6s .8s infinite; }
@keyframes cu-pop { 0%, 12% { transform: scale(0); } 20%, 85% { transform: scale(1); } 95%, 100% { transform: scale(0); } }

.cu-cp { width: min(100%, 400px); display: grid; gap: 14px; position: relative; }
.cu-cp .cu-win__body { min-height: 0; padding: 12px 14px 14px; }
.cu-cp .cu-url { animation: cu-sel 10s infinite; }
@keyframes cu-sel { 0%, 8% { background: var(--cu-screen); color: var(--muted); } 12%, 40% { background: var(--review); color: #fff; } 46%, 100% { background: var(--cu-screen); color: var(--muted); } }
.cu-menu { position: absolute; top: 40px; left: 70px; background: var(--surface); border: 1px solid var(--line); border-radius: 9px; box-shadow: var(--card-shadow); font-size: 11.5px; padding: 4px; opacity: 0; animation: cu-menu 10s infinite; z-index: 3; color: var(--text); }
.cu-menu div { padding: 5px 12px; border-radius: 6px; }
.cu-menu .on { background: var(--review); color: #fff; font-weight: 700; }
@keyframes cu-menu { 0%, 16% { opacity: 0; transform: translateY(-4px); } 20%, 34% { opacity: 1; transform: none; } 38%, 100% { opacity: 0; } }
.cu-toast { position: absolute; right: 12px; top: 44px; font-weight: 600; font-size: 10.5px; line-height: 1; padding: 7px 10px; border-radius: 99px; background: var(--ink); color: var(--surface); opacity: 0; animation: cu-toast 10s infinite; }
@keyframes cu-toast { 0%, 34% { opacity: 0; } 38%, 46% { opacity: 1; } 50%, 100% { opacity: 0; } }
.cu-box { border-radius: 14px; border: 1px solid var(--line); background: var(--cu-screen); padding: 14px; display: grid; gap: 10px; box-shadow: var(--card-shadow); }
.cu-box__h { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 13px; color: var(--ink); }
.cu-box__h .cu-p { width: 20px; height: 20px; font-size: 11px; line-height: 20px; border-radius: 6px; }
.cu-field { display: flex; gap: 8px; }
.cu-inp { flex: 1; min-width: 0; height: 36px; box-sizing: border-box; border-radius: 9px; border: 1.5px solid var(--line); padding: 0 10px; position: relative; overflow: hidden; animation: cu-inp 10s infinite; }
.cu-inp span { position: absolute; left: 10px; right: 10px; top: 0; line-height: 33px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cu-inp .ph { color: var(--muted); font-size: 12px; animation: cu-ph 10s infinite; }
.cu-inp .val { color: var(--text); font: 400 11px/33px var(--mono); opacity: 0; animation: cu-val 10s infinite; }
@keyframes cu-ph { 0%, 52% { opacity: 1; } 56%, 100% { opacity: 0; } }
@keyframes cu-val { 0%, 52% { opacity: 0; } 56%, 100% { opacity: 1; } }
@keyframes cu-inp { 0%, 46% { border-color: var(--line); } 50%, 92% { border-color: var(--review); } 100% { border-color: var(--line); } }
.cu-go { height: 36px; padding: 0 14px; border-radius: 9px; background: var(--ink); color: var(--surface); font-weight: 700; font-size: 12.5px; line-height: 36px; animation: cu-go 10s infinite; }
@keyframes cu-go { 0%, 64% { transform: none; } 67% { transform: scale(.93); } 70%, 100% { transform: none; } }
.cu-prog { height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; }
.cu-prog i { display: block; height: 100%; width: 0; background: var(--fact); animation: cu-prog 10s infinite; }
@keyframes cu-prog { 0%, 70% { width: 0; } 92%, 100% { width: 100%; } }

.cu-phone { width: 210px; height: 400px; border-radius: 34px; background: var(--cu-phone); padding: 9px; box-sizing: border-box; box-shadow: 0 24px 50px rgba(5,0,61,.25); position: relative; flex: none; }
.cu-notch { position: absolute; top: 9px; left: 50%; transform: translateX(-50%); width: 70px; height: 18px; border-radius: 10px; background: var(--cu-phone); z-index: 5; }
.cu-chat { width: 100%; height: 100%; border-radius: 26px; overflow: hidden; background: var(--cu-chat); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
.cu-chat__h { display: flex; gap: 8px; align-items: center; padding: 32px 12px 9px; background: var(--cu-screen); border-bottom: 1px solid var(--line); }
.cu-chat__h .cu-p { width: 26px; height: 26px; line-height: 26px; border-radius: 50%; font-size: 13px; }
.cu-chat__h b { display: block; font-size: 11px; line-height: 1.1; color: var(--ink); }
.cu-chat__h small { font-size: 8px; color: var(--muted); }
.cu-chat__b { padding: 10px 9px; display: grid; align-content: start; gap: 7px; overflow: hidden; }
.cu-bub { max-width: 86%; padding: 7px 9px; border-radius: 10px; font-size: 9px; line-height: 1.35; color: var(--text); box-shadow: 0 1px 1px rgba(5,0,61,.08); opacity: 0; }
.cu-bub.me { justify-self: end; background: var(--cu-me); border-top-right-radius: 3px; }
.cu-bub.pt { justify-self: start; background: var(--cu-screen); border-top-left-radius: 3px; }
.cu-fwd { display: block; font-size: 7.5px; font-style: italic; color: var(--muted); margin-bottom: 4px; }
.cu-lnk { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 6px; background: rgba(5,0,61,.06); border-radius: 6px; padding: 5px; margin-bottom: 4px; }
.cu-lnk i { width: 26px; height: 26px; border-radius: 4px; background: var(--line); }
.cu-lnk b { display: block; font-size: 8.5px; color: var(--ink); }
.cu-lnk small { font-size: 7.5px; color: var(--muted); }
.cu-lnkurl { display: block; font: 400 7.5px/1.3 var(--mono); color: var(--review); word-break: break-all; }
.cu-dots { display: inline-flex; gap: 2px; margin-left: 4px; vertical-align: middle; }
.cu-dots i { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); animation: cu-dot 1s infinite; }
.cu-dots i:nth-child(2) { animation-delay: .15s; } .cu-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes cu-dot { 0%, 60%, 100% { opacity: .3; } 30% { opacity: 1; } }
.cu-esito { display: block; font-size: 9.5px; color: var(--ink); margin-bottom: 4px; }
.cu-gauge { width: 84px; height: 43px; margin: 2px auto 0; border-radius: 84px 84px 0 0; position: relative;
	background: conic-gradient(from 270deg at 50% 100%, var(--fact) 0 140deg, var(--surface-2) 140deg 180deg, transparent 180deg); }
.cu-gauge::after { content: ""; position: absolute; left: 11px; right: 11px; top: 11px; bottom: 0; border-radius: 80px 80px 0 0; background: var(--cu-screen); }
.cu-score { text-align: center; font: 800 15px/1 var(--display); color: var(--fact); margin: -2px 0 6px; }
.cu-score span { font-size: 8px; color: var(--muted); font-family: var(--body); font-weight: 400; }
.cu-bar { display: grid; grid-template-columns: 48px 1fr; gap: 6px; align-items: center; font-size: 7.5px; color: var(--muted); margin-bottom: 3px; }
.cu-bar i { height: 6px; border-radius: 3px; background: var(--fact); display: block; }
.cu-chat__in { margin: 6px 8px 10px; height: 26px; border-radius: 13px; background: var(--cu-screen); font-size: 8.5px; color: var(--muted); padding: 0 11px; line-height: 26px; }
.cu-b1 { animation: cu-b1 11s infinite; } .cu-b2 { animation: cu-b2 11s infinite; } .cu-b3 { animation: cu-b3 11s infinite; }
@keyframes cu-b1 { 0%, 6% { opacity: 0; transform: translateY(8px); } 11%, 94% { opacity: 1; transform: none; } 100% { opacity: 0; } }
@keyframes cu-b2 { 0%, 20% { opacity: 0; transform: translateY(8px); } 25%, 94% { opacity: 1; transform: none; } 100% { opacity: 0; } }
@keyframes cu-b3 { 0%, 50% { opacity: 0; transform: translateY(8px); } 56%, 94% { opacity: 1; transform: none; } 100% { opacity: 0; } }

@media (max-width: 860px) {
	.cu-tabs, .cu-in { grid-template-columns: minmax(0, 1fr); }
	.cu-tab { grid-template-columns: 44px minmax(0, 1fr); padding: 14px 16px; }
	.cu-tab__ico { width: 44px; height: 44px; }
}
@media (max-width: 420px) { .cu-seg button { padding: 8px 10px; font-size: 13px; } }
@media (prefers-reduced-motion: reduce) {
	.cu *, .cu *::before, .cu *::after { animation: none !important; }
	.cu-pin { transform: scale(1); }
	.cu-bub { opacity: 1; }
	.cu-menu, .cu-toast, .cu-inp .ph { display: none; }
	.cu-inp .val { opacity: 1; }
	.cu-prog i { width: 100%; }
}