:root{--orange:#f58220;--orange2:#ffad42;--ink:#172033;--muted:#687386;--surface:rgba(255,255,255,.86);--line:rgba(24,32,51,.1);--shadow:0 24px 80px rgba(51,38,26,.14);--radius:28px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:light}
*{box-sizing:border-box}html,body{margin:0;min-height:100%}button,textarea{font:inherit}.bau-app-body{height:100dvh;overflow:hidden;color:var(--ink);background:radial-gradient(circle at 20% 10%,#fff4e5 0,transparent 34%),radial-gradient(circle at 88% 80%,#eaf3ff 0,transparent 32%),#f6f4ef}.ambient{position:fixed;border-radius:50%;filter:blur(2px);pointer-events:none;opacity:.55}.ambient-one{width:38vw;height:38vw;left:-14vw;top:42%;background:linear-gradient(145deg,rgba(245,130,32,.2),transparent)}.ambient-two{width:30vw;height:30vw;right:-12vw;top:-10vw;background:linear-gradient(145deg,rgba(78,121,255,.14),transparent)}
.bau-shell{position:relative;width:min(1180px,calc(100% - 32px));height:calc(100dvh - 32px);margin:16px auto;display:grid;grid-template-rows:auto minmax(0,1fr);background:var(--surface);border:1px solid rgba(255,255,255,.9);border-radius:32px;box-shadow:var(--shadow);backdrop-filter:blur(22px);overflow:hidden}.bau-topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.6)}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;color:white;font-weight:950;letter-spacing:-1px;background:linear-gradient(135deg,var(--orange),var(--orange2));box-shadow:0 10px 25px rgba(245,130,32,.25)}.brand strong,.brand small{display:block}.brand strong{font-size:18px}.brand small{font-size:11px;color:var(--muted);margin-top:2px}.top-actions{display:flex;align-items:center;gap:12px}.status{display:flex;gap:8px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;font-weight:750}.status i{width:8px;height:8px;border-radius:50%;background:#30b46c;box-shadow:0 0 0 4px rgba(48,180,108,.12)}.icon-button{width:40px;height:40px;border:1px solid var(--line);border-radius:13px;background:white;color:var(--ink);font-size:24px;cursor:pointer}.icon-button:hover{border-color:rgba(245,130,32,.45);color:var(--orange)}
.chat-stage{min-height:0;display:grid;grid-template-rows:minmax(0,1fr) auto}.chat-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:34px clamp(18px,5vw,76px) 24px}.welcome{width:min(820px,100%);margin:clamp(30px,7vh,80px) auto 30px;text-align:center}.welcome[hidden]{display:none}.bau-avatar{width:82px;height:82px;margin:0 auto 18px;display:grid;place-items:center;border-radius:28px;background:linear-gradient(145deg,#fff,#fff5e9);border:1px solid rgba(245,130,32,.16);box-shadow:0 18px 45px rgba(245,130,32,.17);font-size:34px;transform:rotate(-3deg)}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:850;color:var(--orange)}.welcome h1{font-size:clamp(34px,5vw,60px);letter-spacing:-.045em;margin:8px 0 15px;line-height:1.02}.welcome h1 em{font-style:normal;background:linear-gradient(90deg,var(--orange),#e95b47);-webkit-background-clip:text;background-clip:text;color:transparent}.welcome-copy{max-width:690px;margin:0 auto;color:var(--muted);font-size:clamp(16px,2vw,19px);line-height:1.65}.suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin:32px auto 0;max-width:720px}.suggestions button{display:flex;justify-content:space-between;align-items:center;text-align:left;padding:15px 17px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.74);color:var(--ink);font-weight:720;cursor:pointer;transition:.2s}.suggestions button:hover{transform:translateY(-2px);border-color:rgba(245,130,32,.4);box-shadow:0 10px 25px rgba(41,32,22,.08)}.suggestions span{color:var(--orange)}
.messages{width:min(850px,100%);margin:auto;display:flex;flex-direction:column;gap:22px}.message{display:flex;gap:12px;align-items:flex-start;animation:message-in .32s ease both}.message-user{justify-content:flex-end}.message-avatar{flex:0 0 36px;width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:#fff1df;border:1px solid rgba(245,130,32,.15);font-size:17px}.message-content{max-width:min(720px,88%)}.bubble{line-height:1.62;font-size:15.5px}.message-user .bubble{padding:13px 17px;border-radius:20px 20px 5px 20px;background:linear-gradient(135deg,var(--orange),#f19a3f);color:#fff;box-shadow:0 8px 24px rgba(245,130,32,.2)}.message-assistant .bubble{padding:2px 0;color:#273146}.response-path{margin-top:12px;border-left:2px solid rgba(245,130,32,.25);padding-left:13px;color:var(--muted);font-size:12px}.response-path summary{cursor:pointer;font-weight:750;color:#536074}.response-path ul{margin:8px 0 0;padding-left:17px;line-height:1.7}.message-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.message-actions button{border:1px solid rgba(245,130,32,.25);background:#fff8ef;color:#9b520f;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:780;cursor:pointer}.message-actions button:hover{background:#ffeedb}.thinking{width:min(850px,100%);margin:24px auto;display:flex;align-items:center;gap:14px;color:var(--muted);animation:message-in .3s ease}.thinking[hidden]{display:none}.thinking-orb{width:42px;height:42px;display:flex;align-items:center;justify-content:center;gap:3px;border-radius:15px;background:#fff5e8;border:1px solid rgba(245,130,32,.16)}.thinking-orb i{width:5px;height:5px;border-radius:50%;background:var(--orange);animation:pulse 1s infinite ease-in-out}.thinking-orb i:nth-child(2){animation-delay:.16s}.thinking-orb i:nth-child(3){animation-delay:.32s}.thinking strong,.thinking span{display:block}.thinking strong{font-size:13px;color:#3c485c}.thinking span{font-size:11px;margin-top:3px}
.composer-wrap{padding:12px clamp(18px,5vw,76px) 17px;background:linear-gradient(0deg,rgba(255,255,255,.98),rgba(255,255,255,.78));border-top:1px solid rgba(24,32,51,.06)}.composer{width:min(850px,100%);margin:auto;display:flex;align-items:flex-end;gap:12px;padding:11px 11px 11px 18px;border:1px solid rgba(24,32,51,.13);border-radius:22px;background:#fff;box-shadow:0 10px 32px rgba(33,43,64,.09);transition:.2s}.composer:focus-within{border-color:rgba(245,130,32,.55);box-shadow:0 12px 36px rgba(245,130,32,.13)}.composer textarea{flex:1;min-height:28px;max-height:176px;resize:none;border:0;outline:0;padding:5px 0;color:var(--ink);background:transparent;line-height:1.5}.composer textarea::placeholder{color:#99a1ad}.send-button{flex:0 0 44px;width:44px;height:44px;border:0;border-radius:15px;background:linear-gradient(135deg,var(--orange),var(--orange2));color:white;font-size:23px;font-weight:900;cursor:pointer;box-shadow:0 8px 20px rgba(245,130,32,.28)}.send-button:disabled{opacity:.48;cursor:wait}.composer-note{text-align:center;color:#9299a5;font-size:10.5px;margin:8px 0 0}
.bau-coming{min-height:100dvh;display:grid;place-items:center;padding:24px;color:var(--ink);background:radial-gradient(circle at 50% 10%,#fff0dd,transparent 42%),#f6f4ef}.coming-card{width:min(650px,100%);padding:55px 35px;text-align:center;border:1px solid rgba(255,255,255,.9);border-radius:32px;background:rgba(255,255,255,.82);box-shadow:var(--shadow);backdrop-filter:blur(16px)}.paw-orbit{width:100px;height:100px;margin:0 auto 24px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(145deg,#fff,#fff0dd);box-shadow:0 20px 50px rgba(245,130,32,.2);font-size:42px;animation:float 3s ease-in-out infinite}.coming-card h1{font-size:clamp(32px,7vw,56px);line-height:1.05;letter-spacing:-.04em;margin:8px 0 15px}.coming-card>p:not(.eyebrow){color:var(--muted)}.coming-link{display:inline-block;margin-top:18px;padding:11px 16px;border-radius:13px;background:var(--orange);color:white;text-decoration:none;font-weight:800}
@keyframes pulse{0%,80%,100%{transform:scale(.65);opacity:.4}40%{transform:scale(1);opacity:1}}@keyframes message-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes float{50%{transform:translateY(-7px) rotate(3deg)}}
@media(max-width:700px){.bau-shell{width:100%;height:100dvh;margin:0;border-radius:0;border:0}.bau-topbar{height:66px;padding:0 14px}.status{display:none}.brand-mark{width:42px;height:42px;border-radius:14px}.chat-scroll{padding:20px 15px 18px}.welcome{margin:28px auto 20px}.bau-avatar{width:68px;height:68px;border-radius:22px}.suggestions{grid-template-columns:1fr;gap:8px;margin-top:24px}.message-content{max-width:86%}.composer-wrap{padding:9px 10px calc(10px + env(safe-area-inset-bottom))}.composer-note{display:none}.composer{border-radius:19px;padding:8px 8px 8px 14px}.send-button{width:41px;height:41px;flex-basis:41px;border-radius:13px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}
.service-results{width:min(760px,calc(100% - 48px));margin:14px auto 28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.service-card{padding:16px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.9);box-shadow:0 8px 24px rgba(33,43,64,.07)}.service-card strong,.service-card span{display:block}.service-card strong{font-size:14px;color:var(--ink)}.service-card span{margin-top:5px;color:var(--muted);font-size:11px}.service-actions{display:flex;gap:8px;margin-top:13px}.service-actions a{padding:7px 10px;border-radius:10px;background:#fff4e7;color:#a5550e;text-decoration:none;font-size:11px;font-weight:800;border:1px solid rgba(245,130,32,.2)}
@media(max-width:700px){.service-results{width:100%;grid-template-columns:1fr}.service-card{border-radius:15px}}

/* Fase test freemium */
.quota-pill{display:flex;align-items:center;padding:8px 12px;border:1px solid rgba(245,130,32,.18);border-radius:999px;color:#9b520f;background:#fff8ef;font-size:12px;font-weight:750}.quota-pill.quota-low{color:#a93737;background:#fff1f1;border-color:rgba(190,55,55,.16)}
.bau-support-row{width:min(850px,100%);margin:9px auto 0;display:block}.donation-teaser{width:100%;min-width:0;display:flex;align-items:center;gap:10px;padding:9px 11px;border:1px solid rgba(245,130,32,.18);border-radius:14px;background:linear-gradient(135deg,#fff8ef,#fff);color:var(--ink);text-align:left;text-decoration:none;cursor:pointer}.donation-teaser span:nth-child(2){min-width:0;flex:1}.donation-teaser strong,.donation-teaser small{display:block}.donation-teaser strong{font-size:11.5px}.donation-teaser small{margin-top:2px;color:var(--muted);font-size:9.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.donation-teaser b{font-size:10px;color:var(--orange)}

@media(max-width:900px){.quota-pill{display:none}}
@media(max-width:700px){.donation-teaser{padding:8px}.donation-teaser small,.donation-teaser b{display:none}.composer-wrap{padding-bottom:calc(8px + env(safe-area-inset-bottom))}}
/* Hero BAU Think */

.bau-app-body {
    height: auto;
    min-height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
}

.bau-hero-banner {
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    overflow: visible;
    background: transparent;
    box-shadow: none;
}

    .bau-hero-banner img {
        display: block;
        width: 100%;
        height: auto;
        margin: 0;
        padding: 0;
        border: 0;
        border-radius: 0;
    }

.bau-shell {
    height: calc(100dvh - 32px);
    min-height: 700px;
    margin: 16px auto;
    overflow: hidden;
}

@media (max-width: 700px) {
    .bau-shell {
        width: 100%;
        height: 100dvh;
        min-height: 650px;
        margin: 0;
        border-radius: 0;
    }
}
.message-avatar{overflow:hidden;padding:0}.message-avatar img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}

/* BAU Think - landing pubblica */
.bau-public-body{min-height:100vh;margin:0;background:#f7f9fc;color:#172033;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.bau-public-body *{box-sizing:border-box}
.bau-public-hero{position:relative;min-height:clamp(430px,58vw,650px);display:flex;align-items:flex-end;background:#07111d url('/assets/img/banner/bauthink.jpg') center/cover no-repeat;color:#fff;overflow:hidden}
.bau-public-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,10,18,.88) 0%,rgba(3,10,18,.58) 45%,rgba(3,10,18,.12) 75%)}
.bau-public-hero-content{position:relative;z-index:1;width:min(1160px,calc(100% - 40px));margin:0 auto;padding:70px 0}
.bau-public-kicker{margin:0 0 10px;font-size:13px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:#6edcff}
.bau-public-hero h1{max-width:720px;margin:0;font-size:clamp(42px,6vw,76px);line-height:.98;letter-spacing:-.05em}
.bau-public-hero p{max-width:690px;margin:22px 0 0;font-size:clamp(18px,2vw,23px);line-height:1.55;color:#e8f2f8}
.bau-public-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.bau-public-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:14px;text-decoration:none;font-weight:850;transition:.2s ease}
.bau-public-btn.primary{background:linear-gradient(135deg,#11aee8,#187de0);color:#fff;box-shadow:0 12px 30px rgba(16,142,225,.28)}
.bau-public-btn.secondary{border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:#fff;backdrop-filter:blur(8px)}
.bau-public-btn:hover{transform:translateY(-1px)}
.bau-public-main{width:min(1160px,calc(100% - 40px));margin:0 auto;padding:64px 0 80px}
.bau-public-intro{text-align:center;max-width:820px;margin:0 auto 42px}
.bau-public-intro h2{margin:0 0 14px;font-size:clamp(30px,4vw,46px);letter-spacing:-.035em}
.bau-public-intro p{margin:0;color:#657087;font-size:18px;line-height:1.7}
.bau-public-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bau-public-card{padding:26px;border:1px solid #e5eaf2;border-radius:22px;background:#fff;box-shadow:0 12px 36px rgba(30,48,76,.07)}
.bau-public-card .icon{display:grid;place-items:center;width:46px;height:46px;margin-bottom:18px;border-radius:14px;background:#e9f7ff;font-size:23px}
.bau-public-card h3{margin:0 0 10px;font-size:20px}
.bau-public-card p{margin:0;color:#69758a;line-height:1.65}
.bau-public-limit{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center;margin-top:28px;padding:32px;border-radius:24px;background:#0c1728;color:#fff}
.bau-public-limit h2{margin:0 0 10px;font-size:30px}.bau-public-limit p{margin:0;color:#cbd6e5;line-height:1.65}
.bau-public-quota{text-align:center;padding:24px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.06)}
.bau-public-quota strong{display:block;font-size:48px;line-height:1;color:#5dd7ff}.bau-public-quota span{display:block;margin-top:8px;color:#dbe7f3;font-weight:750}
.bau-public-note{margin-top:28px;padding:24px 28px;border-left:4px solid #19a9e5;border-radius:14px;background:#eef8fd;color:#425268;line-height:1.65}
.bau-public-note strong{color:#172033}
.bau-public-footer{text-align:center;padding:0 20px 48px;color:#7b8798;font-size:14px}
@media(max-width:800px){.bau-public-grid{grid-template-columns:1fr}.bau-public-limit{grid-template-columns:1fr}.bau-public-hero{background-position:62% center}.bau-public-hero-content{padding:52px 0}.bau-public-main{padding-top:44px}}

/* Stato servizio / manutenzione */
.status.is-off{color:#b94b4b;background:#fff4f4;border-color:rgba(185,75,75,.22)}.status.is-off i{background:#dc3f3f;box-shadow:0 0 0 4px rgba(220,63,63,.12)}
.maintenance-banner{width:min(1080px,calc(100% - 34px));margin:16px auto 0;padding:15px 18px;border:1px solid rgba(220,63,63,.18);border-radius:16px;background:#fff3f3;color:#7d2929;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.maintenance-banner strong{font-weight:900}.maintenance-banner span{color:#9b4a4a}.maintenance-banner.chat-paused{background:#fff8ec;border-color:rgba(245,130,32,.2);color:#8b531b}.maintenance-banner.chat-paused span{color:#9c6b39}

/* Approfondimenti editoriali suggeriti da BAU Think */
.message-actions .message-action-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .68rem .9rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    line-height: 1.25;
    border: 1px solid rgba(24, 116, 92, .22);
    background: rgba(24, 116, 92, .08);
    color: inherit;
}
.message-actions .message-action-link:hover { background: rgba(24, 116, 92, .14); }