/* AI Actions · stile «sala di controllo». Un solo colore acceso: il blu elettrico, per ciò che è vivo. */
:root {
  --fondo: #07080A;
  --superficie: #0F1115;
  --superficie-2: #13161B;
  --incavo: #0A0B0E;
  --bordo: #23272F;
  --bordo-forte: #2C313A;
  --testo: #E9ECF1;
  --testo-2: #C9CED6;
  --spento: #9AA0AA;
  --accento: #4D8EFF;
  --accento-tenue: rgba(77, 142, 255, .45);
  --accento-velo: rgba(77, 142, 255, .08);
  --avviso: #FFC861;
  --errore: #FF8A7E;
  --sans: 'Geist', system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { background: var(--fondo); }
body { margin: 0; background: var(--fondo); color: var(--testo); font: 16px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--testo); }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--accento); outline-offset: 2px; }
h1, h2, h3, p { margin: 0; }
.mono { font-family: var(--mono); }
.etichetta { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--spento); }

/* ---------- impalcatura: una colonna da telefono, più larga sul computer */
.pagina { min-height: 100vh; display: flex; flex-direction: column; max-width: 560px; margin: 0 auto; position: relative; }
.pagina.larga { max-width: 1320px; }
.alone { position: absolute; top: -160px; left: 50%; width: 560px; height: 560px; margin-left: -280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(77,142,255,.12) 0%, rgba(77,142,255,0) 62%); pointer-events: none; }
.testata { position: relative; padding: 20px 20px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.marchio { font-family: var(--mono); font-weight: 600; font-size: 13px; letter-spacing: .18em; text-decoration: none; }
.online { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--spento); }
.punto { width: 7px; height: 7px; border-radius: 50%; background: var(--accento); box-shadow: 0 0 10px var(--accento); animation: lampeggia 2s infinite; }
.contenuto { position: relative; flex: 1; padding: 22px 16px 24px; display: flex; flex-direction: column; gap: 14px; }
.intro { padding: 0 4px; }
.intro h1 { font-weight: 600; font-size: 28px; line-height: 1.1; letter-spacing: -.02em; margin-top: 6px; }
.intro .sotto { margin-top: 8px; font-size: 14px; color: var(--spento); }
.indietro { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; font-size: 14px; color: var(--spento); text-decoration: none; }

.navigazione { position: sticky; bottom: 12px; margin: 0 16px 16px; padding: 6px; border-radius: 18px; background: rgba(19,22,27,.92);
  backdrop-filter: blur(10px); border: 1px solid var(--bordo); display: flex; gap: 6px; }
.navigazione a { flex: 1; min-height: 46px; display: flex; align-items: center; justify-content: center; border-radius: 13px;
  font-size: 14px; color: var(--spento); text-decoration: none; }
.navigazione a[aria-current="page"] { background: #1E222A; color: var(--testo); font-weight: 600; }

/* ---------- elementi */
.scheda { border-radius: 18px; padding: 18px; background: linear-gradient(180deg, #13161B 0%, #0E1014 100%);
  border: 1px solid var(--bordo); box-shadow: inset 0 1px 0 rgba(255,255,255,.04); }
.scheda.accesa { border-color: var(--accento-tenue); }
.riquadro { padding: 12px 14px; border-radius: 14px; background: var(--incavo); border: 1px solid #1C1F26; }
.griglia-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.griglia-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.numero { font-family: var(--mono); font-weight: 500; font-size: 22px; line-height: 1.1; }
.numero.grande { font-size: 40px; }
.numero.acceso { color: var(--accento); }
.didascalia { margin-top: 4px; font-size: 12px; color: var(--spento); }
.riga-titolo { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.riga-titolo h2 { font-weight: 600; font-size: 19px; letter-spacing: -.01em; }

.stato { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
  padding: 5px 10px; border-radius: 999px; border: 1px solid var(--bordo-forte); color: var(--spento); white-space: nowrap; }
.stato::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.stato.attivo { color: var(--accento); border-color: var(--accento-tenue); }
.stato.avviso { color: var(--avviso); border-color: rgba(255,200,97,.4); }
.stato.errore { color: var(--errore); border-color: rgba(255,138,126,.4); }

.bottone { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 16px;
  border-radius: 12px; border: 1px solid var(--bordo-forte); background: transparent; color: var(--testo);
  font: 600 14px var(--sans); text-decoration: none; cursor: pointer; }
.bottone:hover { border-color: #4A5160; color: #fff; }
.bottone.primario { background: var(--accento); border-color: var(--accento); color: #06080D; font-weight: 700; box-shadow: 0 0 28px rgba(77,142,255,.25); }
.bottone.primario:hover { background: #6AA0FF; color: #06080D; }
.bottone.pieno { width: 100%; min-height: 54px; font-size: 16px; border-radius: 16px; }
.bottone.pericolo { color: var(--errore); border-color: #5A2A26; }
.fila-bottoni { display: grid; grid-template-columns: repeat(auto-fit, minmax(72px, 1fr)); gap: 8px; }
.fila-bottoni .bottone { padding: 0 8px; }
form.in-linea { display: contents; }

/* ---------- il nucleo dell'assistente */
.nucleo { position: relative; width: 96px; height: 96px; flex: none; }
.nucleo .onda { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(77,142,255,.55); animation: onda 2.8s ease-out infinite; }
.nucleo .onda + .onda { animation-delay: 1.4s; }
.nucleo .orbita { position: absolute; inset: 10px; border-radius: 50%; border: 1px dashed rgba(233,236,241,.25); animation: ruota 14s linear infinite; }
.nucleo .cuore { position: absolute; inset: 30px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #DCE8FF 0%, #4D8EFF 45%, #0B2E8A 100%); box-shadow: 0 0 34px rgba(77,142,255,.55); animation: respira 3.2s ease-in-out infinite; }
.nucleo.fermo .onda, .nucleo.fermo .orbita { display: none; }
.nucleo.fermo .cuore { background: radial-gradient(circle at 35% 35%, #9AA0AA, #3A404B 60%, #1A1D23); box-shadow: none; animation: none; }
.nucleo.piccolo { width: 30px; height: 30px; }
.nucleo.piccolo .cuore { inset: 0; }
.presenza { position: relative; display: flex; align-items: center; gap: 18px; padding: 0 4px; }

.conto { font-family: var(--mono); font-size: 34px; font-weight: 500; letter-spacing: -.02em; margin-top: 6px; }

/* ---------- conversazione di attivazione */
.conversazione { display: flex; flex-direction: column; gap: 12px; }
.fumetto { max-width: 320px; padding: 12px 14px; border-radius: 4px 16px 16px 16px; background: var(--superficie-2); border: 1px solid var(--bordo); font-size: 15px; line-height: 1.45; }
.risposte { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; border: 0; padding: 0; margin: 0; }
.risposte legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.scelta input { position: absolute; opacity: 0; pointer-events: none; }
.scelta span { min-height: 44px; min-width: 56px; display: inline-flex; align-items: center; justify-content: center; padding: 0 16px; border-radius: 999px;
  border: 1px solid #3A404B; font: 600 14px var(--sans); cursor: pointer; }
.scelta.mono span { font-family: var(--mono); }
.scelta input:checked + span { background: var(--accento); border-color: var(--accento); color: #06080D; }
.scelta input:focus-visible + span { outline: 2px solid var(--accento); outline-offset: 2px; }
.campo { display: block; width: 100%; min-height: 48px; padding: 0 14px; border-radius: 14px; border: 1px solid var(--accento-tenue);
  background: var(--incavo); color: var(--testo); font: 15px var(--mono); }
.campo-etichetta { display: block; margin-bottom: 6px; }
.piede-fisso { position: sticky; bottom: 0; padding: 12px 16px 18px; background: linear-gradient(180deg, rgba(7,8,10,0), var(--fondo) 30%); display: flex; flex-direction: column; gap: 8px; }

/* ---------- anteprima e quadro */
.scansione { position: absolute; left: 0; right: 0; top: 0; height: 120px; pointer-events: none;
  background: linear-gradient(180deg, rgba(77,142,255,0), rgba(77,142,255,.07) 80%, rgba(77,142,255,.22)); animation: scansione 5s linear infinite; }
.quadro { width: 100%; height: 640px; border: 1px solid var(--bordo); border-radius: 16px; background: #fff; }
.messaggio-errore { padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255,138,126,.4); background: rgba(255,138,126,.06); color: #FFD0CA; font-size: 14px; }
.conferma { padding: 14px 16px; border-radius: 16px; border: 1px solid var(--accento-tenue); background: var(--accento-velo); }

/* ---------- diario */
.striscia { display: flex; gap: 4px; }
.striscia span { flex: 1; height: 22px; border-radius: 4px; background: #1A1D23; }
.striscia .ok { background: rgba(77,142,255,.8); }
.striscia .avviso { background: var(--avviso); }
.striscia .errore { background: #FF6B5E; }
.linea-tempo { position: relative; padding-left: 22px; display: flex; flex-direction: column; gap: 12px; }
.linea-tempo::before { content: ''; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(180deg, var(--accento), var(--bordo-forte) 30%); }
.tappa { position: relative; }
.tappa::before { content: ''; position: absolute; left: -22px; top: 18px; width: 11px; height: 11px; border-radius: 50%; background: var(--accento); box-shadow: 0 0 10px rgba(77,142,255,.6); }
.tappa.avviso::before { background: var(--fondo); border: 2px solid var(--avviso); box-shadow: none; }
.tappa.errore::before { background: #FF6B5E; box-shadow: none; }
.tappa summary { list-style: none; cursor: pointer; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--bordo); background: var(--superficie); }
.tappa summary::-webkit-details-marker { display: none; }
.registro { margin-top: 6px; padding: 12px 14px; border-radius: 12px; background: var(--incavo); border: 1px solid #1C1F26; font: 11.5px/1.6 var(--mono); color: var(--testo-2); }
.registro p + p { margin-top: 4px; }
.registro .ora { color: #6E7581; }
.registro .avviso { color: var(--avviso); }
.registro .errore { color: var(--errore); }

/* ---------- pannello */
.colonne { display: flex; flex-wrap: wrap; gap: 0; align-items: flex-start; }
.colonne .lato { flex: 1 1 210px; max-width: 240px; padding: 26px 18px; display: flex; flex-direction: column; gap: 4px; }
.colonne .principale { flex: 999 1 600px; min-width: 0; padding: 26px 24px 40px; display: flex; flex-direction: column; gap: 16px; }
.flusso { padding: 24px; border-radius: 20px; border: 1px solid #1C1F26;
  background: radial-gradient(ellipse at 50% 0%, rgba(77,142,255,.08), rgba(77,142,255,0) 60%), #0C0E12; display: flex; align-items: center; flex-wrap: wrap; }
.flusso .nodo { flex: 1 1 210px; padding: 16px; border-radius: 16px; background: var(--superficie-2); border: 1px solid var(--bordo-forte); }
.flusso .filo { flex: 1 1 50px; min-width: 40px; height: 2px; background: repeating-linear-gradient(90deg, var(--accento) 0 12px, transparent 12px 24px); animation: flusso 1.2s linear infinite; opacity: .8; }
.flusso .filo.fermo { animation: none; background: repeating-linear-gradient(90deg, #3A404B 0 12px, transparent 12px 24px); }
.flusso .centro { display: flex; flex-direction: column; align-items: center; padding: 6px 12px; text-align: center; }
.anello { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; }
.anello::after { content: ''; width: 48px; height: 48px; border-radius: 50%; background: var(--superficie); }
.tessere { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.barre { display: flex; gap: 3px; align-items: flex-end; height: 48px; margin-top: 14px; }
.barre span { flex: 1; border-radius: 3px; min-height: 3px; }
.tabella { overflow-x: auto; }
.tabella table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 14px; }
.tabella th { text-align: left; font-family: var(--mono); font-weight: 500; font-size: 11px; letter-spacing: .12em; color: var(--spento); padding: 8px 10px; border-bottom: 1px solid var(--bordo); }
.tabella td { padding: 12px 10px; border-bottom: 1px solid #16191F; }

/* ---------- accesso */
.accesso { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; position: relative; overflow: hidden; }
.accesso form { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 14px; position: relative; }

/* ---------- attesa durante la simulazione */
.attesa { position: fixed; inset: 0; z-index: 10; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  background: rgba(7,8,10,.92); text-align: center; padding: 24px; }
.attesa.visibile { display: flex; }

@keyframes respira { 0%,100% { transform: scale(1); opacity: .9 } 50% { transform: scale(1.08); opacity: 1 } }
@keyframes onda { 0% { transform: scale(.6); opacity: .7 } 100% { transform: scale(1.6); opacity: 0 } }
@keyframes ruota { to { transform: rotate(360deg) } }
@keyframes lampeggia { 0%,100% { opacity: 1 } 50% { opacity: .35 } }
@keyframes scansione { 0% { transform: translateY(-100%) } 100% { transform: translateY(1400px) } }
@keyframes flusso { 0% { background-position: 0 0 } 100% { background-position: 48px 0 } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; } }