:root{
  --bg:#070b0c; --bg2:#0a1012; --panel:#0e1618; --panel2:#111c1f;
  --line:#1d2b2f; --line2:#2a3d42;
  --text:#dce8ea; --muted:#8ba1a6; --dim:#5d7378;
  --accent:#3ee6a4; --accent-dim:#1d8a63; --blue:#5cb8ff; --warn:#ffb35c; --danger:#ff7a7a;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;
  --r:10px; --wrap:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.55;
  background-image:radial-gradient(900px 500px at 80% -10%,rgba(62,230,164,.07),transparent 60%),
                   radial-gradient(700px 400px at 10% 0%,rgba(92,184,255,.05),transparent 55%);}
img,video,iframe{max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:var(--mono);font-size:.9em;background:#0b1416;border:1px solid var(--line);border-radius:4px;padding:.1em .35em;color:#bfe9d8}
button{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#04120c;padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
section[id]{scroll-margin-top:74px}
.muted{color:var(--muted)}
.tiny{font-size:.78rem;line-height:1.5}

/* ---------------------------------------------------------------- header */
.site-head{position:sticky;top:0;z-index:40;background:rgba(7,11,12,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:22px;height:62px}
.brand{display:flex;align-items:baseline;gap:2px;font-family:var(--mono);font-size:1.12rem;color:var(--text);letter-spacing:.02em}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--accent);font-size:.9rem;transform:translateY(-1px)}
.brand-name{font-weight:600}
.brand-cursor{color:var(--accent);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.nav{display:flex;gap:20px;font-size:.9rem;flex:1}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--text);text-decoration:none}
.head-actions{display:flex;align-items:center;gap:14px}
.online-pill{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.76rem;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(62,230,164,.12);display:inline-block;flex:none}
.dot.off{background:var(--dim);box-shadow:none}

/* ---------------------------------------------------------------- bottoni */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 18px;border-radius:8px;
  border:1px solid transparent;font-size:.9rem;font-weight:600;cursor:pointer;transition:transform .06s,background .15s,border-color .15s;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#04150e;border-color:var(--accent)}
.btn-primary:hover{background:#63f2bb}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-big{height:52px;padding:0 26px;font-size:1rem}
.btn-send{height:40px;padding:0 20px}
.linkish{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font-size:inherit;text-decoration:underline}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:8px;
  background:transparent;border:1px solid var(--line);color:var(--muted);cursor:pointer;font-size:1rem}
.icon-btn:hover{color:var(--text);border-color:var(--line2)}
.only-mobile{display:none!important}

/* ---------------------------------------------------------------- hero */
.hero{padding:64px 0 40px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.06;letter-spacing:-.03em;margin:0 0 20px;font-weight:750}
.hero h1 em{font-style:normal;color:var(--accent)}
.lede{font-size:1.06rem;color:#b7c8cb;max-width:56ch;margin:0 0 28px}
.lede strong{color:var(--text)}
.join-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;max-width:620px}
.field{display:flex;flex-direction:column;gap:6px;flex:1 1 240px}
.field-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-family:var(--mono)}
.field input{height:46px}
input[type=text],input[type=search],textarea{background:#0a1214;border:1px solid var(--line2);border-radius:8px;color:var(--text);
  padding:0 13px;font-family:var(--sans);font-size:.96rem;outline:none;min-width:0}
input[type=text]:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(62,230,164,.12)}
.hint{flex-basis:100%;margin:2px 0 0;font-size:.8rem;color:var(--dim)}
.hero-facts{display:flex;gap:26px;list-style:none;padding:0;margin:30px 0 0;font-size:.82rem;color:var(--muted)}
.hero-facts strong{display:block;font-family:var(--mono);font-size:1.3rem;color:var(--text);font-weight:600}

/* demo terminale */
.hero-demo{border:1px solid var(--line2);border-radius:12px;background:linear-gradient(180deg,#0b1315,#080e0f);
  box-shadow:0 24px 60px -30px rgba(0,0,0,.9),0 0 0 1px rgba(62,230,164,.04) inset;overflow:hidden;font-family:var(--mono);font-size:.79rem}
.demo-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;border-bottom:1px solid var(--line);background:#0c1517}
.demo-dot{width:9px;height:9px;border-radius:50%;background:#24363a}
.demo-url{margin-left:10px;color:var(--dim);font-size:.72rem}
.demo-body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:7px}
.demo-line{display:flex;gap:7px;align-items:baseline;flex-wrap:wrap}
.demo-time{color:#3f5257;font-size:.7rem}
.demo-nick{color:var(--blue)}
.demo-nick.n1{color:#ffb35c}.demo-nick.n2{color:#c792ff}.demo-nick.n3{color:var(--accent)}
.demo-text{color:#c2d3d6}
.demo-link{color:var(--blue);text-decoration:underline;text-decoration-style:dotted}
.demo-action .demo-text{color:var(--muted);font-style:italic}
.demo-media{border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:2px 0 4px}
.demo-sky{position:relative;height:118px;background:linear-gradient(180deg,#06121c,#0a1a24 60%,#071314)}
.demo-star{position:absolute;width:2px;height:2px;background:#cde;border-radius:50%;opacity:.8}
.demo-star.s1{left:18%;top:22%}.demo-star.s2{left:66%;top:14%}.demo-star.s3{left:82%;top:34%}
.demo-aurora{position:absolute;inset:10% 8% 30% 8%;background:
  radial-gradient(60% 80% at 30% 60%,rgba(62,230,164,.5),transparent 70%),
  radial-gradient(50% 70% at 65% 40%,rgba(92,184,255,.35),transparent 70%);
  filter:blur(9px);border-radius:50%}
.demo-hill{position:absolute;left:0;right:0;bottom:0;height:34%;background:#050b0c;
  clip-path:polygon(0 100%,0 55%,14% 40%,30% 62%,46% 36%,62% 58%,80% 42%,100% 66%,100% 100%)}
.demo-media-cap{display:block;background:#0a1214;border-top:1px solid var(--line);padding:5px 8px;color:var(--dim);font-size:.66rem}
.demo-line .demo-text{min-width:0;overflow-wrap:anywhere}

.strip{border-bottom:1px solid var(--line);background:#080e10}
.strip-in{display:flex;flex-wrap:wrap;gap:10px 34px;padding:14px 24px;font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.strip-in b{color:var(--accent);margin-right:6px}

/* ---------------------------------------------------------------- sezioni */
.section{padding:72px 0;border-bottom:1px solid var(--line)}
.section.alt{background:linear-gradient(180deg,#080e10,#070b0c)}
.kicker{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.section h2{font-size:clamp(1.55rem,2.8vw,2.15rem);letter-spacing:-.02em;margin:0 0 12px;line-height:1.15}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.room-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.room-card{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:var(--r);padding:18px;
  background:linear-gradient(180deg,#0c1416,#0a1113);color:var(--text);transition:border-color .15s,transform .12s}
.room-card:hover{border-color:var(--accent-dim);text-decoration:none;transform:translateY(-2px)}
.room-card-top{display:flex;justify-content:space-between;align-items:center}
.room-slug{font-family:var(--mono);color:var(--accent);font-size:.9rem}
.room-count{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.room-count .dot{opacity:.25;background:var(--dim);box-shadow:none}
.room-count.is-live .dot,.room-count.is-live .dot{opacity:1;background:var(--accent);box-shadow:0 0 0 3px rgba(62,230,164,.12)}
.room-card h3{margin:2px 0 0;font-size:1.05rem}
.room-card p{margin:0;color:var(--muted);font-size:.87rem;line-height:1.45;flex:1}
.room-go{font-family:var(--mono);font-size:.76rem;color:var(--dim);margin-top:6px}
.room-card:hover .room-go{color:var(--accent)}

.steps{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.steps li{border-top:1px solid var(--line2);padding-top:18px}
.step-n{font-family:var(--mono);color:var(--accent);font-size:.8rem}
.steps h3{margin:8px 0 6px;font-size:1.02rem}
.steps p{margin:0;color:var(--muted);font-size:.9rem}

.media-split{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
.media-split p{color:var(--muted);max-width:60ch}
.ticks{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:9px;font-size:.9rem;color:#bccbce}
.ticks li{padding-left:22px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-family:var(--mono)}
.media-card{border:1px solid var(--line2);border-radius:var(--r);background:#0a1214;padding:0;overflow:hidden}
.media-card-head{display:flex;align-items:center;gap:8px;padding:9px 13px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:.72rem;color:var(--dim)}
.media-pre{margin:0;padding:14px;font-family:var(--mono);font-size:.78rem;color:#c8d8db;white-space:pre-wrap;border-bottom:1px solid var(--line)}
.media-pre .muted{color:var(--blue)}.media-pre .accent{color:var(--accent)}
.media-fake-img{height:150px;display:flex;align-items:center;justify-content:center;text-align:center;
  background:linear-gradient(145deg,#0c1a20,#0a1416 60%,#0d1d1a);color:var(--dim);font-family:var(--mono);font-size:.7rem;line-height:1.6;
  border-bottom:1px solid var(--line)}
.media-note{margin:0;padding:10px 14px;font-size:.74rem;color:var(--dim)}

.split-2{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.split-2 p{color:var(--muted)}
.rule-box{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#0a1113}
.rule-row{display:flex;justify-content:space-between;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:.88rem}
.rule-row:last-child{border-bottom:0}
.rule-row span{color:var(--muted)}
.rule-row b{font-family:var(--mono);color:var(--text);font-weight:500}

.faq-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);margin-top:22px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;padding:16px 34px 16px 0;position:relative;font-weight:550;font-size:.98rem}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--accent)}
.faq-list .plus{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:18px;height:18px}
.faq-list .plus::before,.faq-list .plus::after{content:"";position:absolute;background:var(--muted);left:3px;right:3px;top:8px;height:2px;border-radius:1px}
.faq-list .plus::after{transform:rotate(90deg);transition:transform .15s}
.faq-list details[open] .plus::after{transform:rotate(0)}
.faq-list p{margin:0 0 18px;color:var(--muted);font-size:.92rem;max-width:80ch}
.faq-more{margin:22px 0 0;font-family:var(--mono);font-size:.82rem}
.cta-final{padding:60px 0 74px;background:radial-gradient(600px 240px at 50% 0%,rgba(62,230,164,.1),transparent 70%)}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--line2);border-radius:14px;padding:32px 34px;background:#0a1214}
.cta-in h2{margin:0 0 6px;font-size:1.6rem;letter-spacing:-.02em}
.cta-in p{margin:0;color:var(--muted)}

/* ---------------------------------------------------------------- footer */
.site-foot{border-top:1px solid var(--line);padding:34px 0 44px;background:#060a0b}
.foot-in{display:grid;grid-template-columns:1.4fr .6fr;gap:24px}
.foot-brand p{color:var(--dim);font-size:.82rem;max-width:46ch;margin:8px 0 0}
.foot-links{display:flex;flex-direction:column;gap:6px;font-size:.84rem}
.foot-links a{color:var(--muted)}
.foot-note{grid-column:1/-1;border-top:1px solid var(--line);padding-top:16px;color:var(--dim);font-size:.72rem;margin:6px 0 0}

/* ---------------------------------------------------------------- pagine */
.page-head{padding:52px 24px 26px;max-width:var(--wrap)}
.page-head h1{font-size:clamp(1.9rem,3.6vw,2.7rem);margin:0 0 12px;letter-spacing:-.03em}
.page-lede{color:var(--muted);max-width:70ch;margin:0 0 26px;font-size:1rem}
.room-list{border-top:1px solid var(--line);margin:8px 0 0}
.room-row{display:flex;justify-content:space-between;gap:26px;padding:22px 6px;border-bottom:1px solid var(--line);color:var(--text);align-items:flex-start}
.room-row:hover{text-decoration:none;background:#0a1214}
.room-row-main h2{margin:4px 0 4px;font-size:1.15rem}
.room-row-main p{margin:0;color:var(--muted);font-size:.88rem;max-width:70ch}
.room-row-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:none}
.note-box{margin:36px 0 60px;border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#0a1113}
.note-box h2{font-size:1.1rem;margin:0 0 10px}
.note-box p{color:var(--muted);font-size:.9rem;margin:0 0 10px;max-width:80ch}

.doc{max-width:840px;padding-top:46px;padding-bottom:70px}
.crumbs{display:flex;gap:8px;font-family:var(--mono);font-size:.74rem;color:var(--dim);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.doc h1{font-size:clamp(1.9rem,3.4vw,2.6rem);margin:0 0 14px;letter-spacing:-.03em}
.doc-lede{color:#b3c4c7;font-size:1.02rem;max-width:70ch;margin:0 0 34px}
.doc h2{font-size:1.25rem;margin:34px 0 12px;padding-top:16px;border-top:1px solid var(--line)}
.doc p{color:var(--muted)}
.doc-list{padding-left:22px;color:var(--muted);display:flex;flex-direction:column;gap:9px}
.doc-list strong{color:var(--text)}
.doc-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
.doc-cards>div{border:1px solid var(--line);border-radius:9px;padding:16px;background:#0a1214}
.doc-cards h3{margin:0 0 6px;font-size:.95rem}
.doc-cards p{margin:0;font-size:.84rem}
.doc-table{width:100%;border-collapse:collapse;font-size:.88rem;margin:12px 0}
.doc-table th,.doc-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.doc-table th{color:var(--muted);font-weight:500}
.doc-table td{font-family:var(--mono);color:var(--text)}
.doc-foot{margin-top:36px;font-size:.8rem;color:var(--dim)}
.faq-page{margin-top:26px}
.err-page{text-align:center;padding-top:90px}
.err-code{font-family:var(--mono);font-size:4rem;color:var(--line2);margin:0;line-height:1}

/* ---------------------------------------------------------------- chat */
body.page-chat{height:100dvh;overflow:hidden;display:flex;flex-direction:column;background:#070b0c}
.page-chat .site-head{flex:none}
.main-chat{flex:1;min-height:0;display:flex}
.chat-shell{flex:1;min-height:0;display:grid;grid-template-columns:212px minmax(0,1fr) 232px;width:100%}
.chat-rooms,.chat-users{border-right:1px solid var(--line);background:#080e10;display:flex;flex-direction:column;min-height:0}
.chat-users{border-right:0;border-left:1px solid var(--line)}
.pane-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;color:var(--dim);flex:none}
.room-nav{padding:8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.room-nav-item{display:flex;align-items:center;gap:7px;padding:8px 9px;border-radius:7px;color:var(--muted);font-family:var(--mono);font-size:.82rem}
.room-nav-item:hover{background:#0d1618;color:var(--text);text-decoration:none}
.room-nav-item.is-current{background:#0f1b1e;color:var(--text);box-shadow:inset 2px 0 0 var(--accent)}
.room-nav-item .hash{color:var(--accent-dim)}
.room-nav-item.is-current .hash{color:var(--accent)}
.room-nav-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.room-nav-count{font-size:.7rem;color:var(--dim);min-width:14px;text-align:right}
.room-nav-count.is-live{color:var(--accent)}
.pane-foot{margin-top:auto;padding:12px 14px;border-top:1px solid var(--line);font-size:.72rem;color:var(--dim)}
.pane-foot p{margin:0 0 8px}
.pane-foot a{font-family:var(--mono);font-size:.74rem}

.chat-main{display:flex;flex-direction:column;min-width:0;min-height:0;background:#070b0c}
.chat-topic{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);background:#080e10;flex:none;min-height:60px}
.topic-text{min-width:0;flex:1}
.chat-topic h1{margin:0;font-family:var(--mono);font-size:1rem;font-weight:600;display:flex;align-items:baseline;gap:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-topic h1 .hash{color:var(--accent)}
.topic-title{color:var(--muted);font-family:var(--sans);font-size:.85rem;font-weight:400;margin-left:8px;overflow:hidden;text-overflow:ellipsis}
.chat-topic p{margin:2px 0 0;font-size:.78rem;color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topic-actions{display:flex;align-items:center;gap:8px;flex:none}
.nick-btn{display:inline-flex;align-items:center;gap:7px;background:#0c1618;border:1px solid var(--line2);border-radius:999px;
  padding:5px 11px;cursor:pointer;color:var(--text);font-family:var(--mono);font-size:.76rem;max-width:160px}
.nick-btn span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nick-btn:hover{border-color:var(--accent);color:var(--accent)}

.messages{flex:1;min-height:0;overflow-y:auto;padding:14px 16px 18px;display:flex;flex-direction:column;gap:2px;scroll-behavior:smooth;overscroll-behavior:contain}
.messages::-webkit-scrollbar,.room-nav::-webkit-scrollbar,.user-list::-webkit-scrollbar{width:8px;height:8px}
.messages::-webkit-scrollbar-thumb,.room-nav::-webkit-scrollbar-thumb,.user-list::-webkit-scrollbar-thumb{background:#1c2b2f;border-radius:4px}
.messages::-webkit-scrollbar-track,.room-nav::-webkit-scrollbar-track,.user-list::-webkit-scrollbar-track{background:transparent}
html{scrollbar-color:#1c2b2f transparent;scrollbar-width:thin}
.sys-line{text-align:center;font-size:.74rem;color:var(--dim);margin:4px 0 14px;font-family:var(--mono)}
.msg{display:flex;gap:8px;padding:2px 4px;border-radius:5px;line-height:1.45;font-size:.9rem;align-items:baseline}
.msg:hover{background:#0b1315}
.msg .t{font-family:var(--mono);font-size:.7rem;color:#42565b;flex:none;width:38px}
.msg .nick{font-family:var(--mono);font-size:.86rem;font-weight:600;color:var(--blue);flex:none;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg .nick::before{content:"<";color:var(--dim);font-weight:400}
.msg .nick::after{content:">";color:var(--dim);font-weight:400}
.msg .body{color:#cbdcdf;white-space:pre-wrap;overflow-wrap:anywhere;min-width:0;flex:1 1 60%}
.msg .body a{color:var(--blue);text-decoration:underline;text-decoration-color:#2a5560;text-underline-offset:2px;overflow-wrap:anywhere}
.msg .body a:hover{color:#8fd4ff}
.media-wrap{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.msg.is-action .nick{color:var(--warn)}
.msg.is-action .nick::before,.msg.is-action .nick::after{content:""}
.msg.is-action .body{color:var(--muted);font-style:italic}
.msg.is-system{justify-content:center;font-family:var(--mono);font-size:.72rem;color:var(--dim)}
.msg.is-system .t{display:none}
.msg.is-system .sys-body{color:var(--dim)}
.msg.is-new{animation:msgin .18s ease-out}
@keyframes msgin{from{background:#12211f}to{background:transparent}}

.media{margin:6px 0 4px;max-width:300px;border:1px solid var(--line2);border-radius:8px;overflow:hidden;background:#0a1214;flex-basis:100%}
.media img{display:block;width:100%;height:auto;min-height:60px;max-height:220px;object-fit:contain;background:#060a0b}
.media video{display:block;width:100%;max-height:220px;background:#000}
.media .media-cap{display:flex;justify-content:space-between;gap:10px;padding:5px 9px;font-family:var(--mono);font-size:.66rem;color:var(--dim);border-top:1px solid var(--line)}
.media .media-cap span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-embed{position:relative;background:#000;flex-basis:100%;max-width:400px;border:1px solid var(--line2);border-radius:8px;overflow:hidden;margin:6px 0}
.video-embed.is-loaded{aspect-ratio:16/9}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-facade{display:flex;align-items:center;gap:10px;width:100%;padding:14px;background:#0b1416;border:1px solid var(--line2);border-radius:8px;color:var(--text);cursor:pointer;font-family:var(--mono);font-size:.78rem;text-align:left}
.video-facade:hover{border-color:var(--accent);color:var(--accent)}
.video-facade .play{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#04150e;display:flex;align-items:center;justify-content:center;flex:none}

.compose{flex:none;border-top:1px solid var(--line);background:#080e10;padding:10px 14px 8px}
.compose-form{display:flex;gap:10px;align-items:flex-end}
.compose-form textarea{flex:1;resize:none;min-height:40px;max-height:150px;padding:9px 12px;line-height:1.45;font-size:.92rem;border-radius:8px;font-family:var(--sans);overflow-y:hidden}
.compose-side{display:flex;align-items:center;gap:8px}
.counter{font-family:var(--mono);font-size:.68rem;color:var(--dim);min-width:34px;text-align:right}
.counter.warn{color:var(--warn)}
.compose-hint{margin:7px 0 0;font-size:.7rem;color:var(--dim);font-family:var(--mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kbd{border:1px solid var(--line2);border-radius:4px;padding:0 4px;color:var(--muted)}
.compose-err{margin:7px 0 0;font-size:.78rem;color:var(--danger)}
.compose-lock{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.compose-lock input{height:40px;flex:1 1 200px}
.compose-nick-label{flex-basis:100%;font-size:.8rem;color:var(--muted)}
.form-err{color:var(--danger);font-size:.8rem;margin:6px 0 0;flex-basis:100%}

.user-list{list-style:none;padding:8px 10px;margin:0;overflow-y:auto;display:flex;flex-direction:column;gap:1px;flex:1}
.user-list li{display:flex;align-items:center;gap:8px;padding:5px 7px;border-radius:5px;font-family:var(--mono);font-size:.8rem;color:#b9c9cc}
.user-list li .nick{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-empty{color:var(--dim)!important;font-family:var(--sans)!important;font-size:.78rem!important;line-height:1.5;padding:8px 7px!important}

.pane-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:60}
.pane-backdrop[hidden]{display:none}

/* modale nick */
.nick-modal{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(3,7,8,.72);backdrop-filter:blur(3px)}
.nick-modal[hidden]{display:none}
.nick-modal-card{position:relative;width:min(430px,100%);background:#0b1416;border:1px solid var(--line2);border-radius:13px;padding:24px;box-shadow:0 30px 80px -20px #000}
.nick-modal-card h2{margin:0 0 8px;font-size:1.35rem}
.nick-modal-card .muted{font-size:.84rem;margin:0 0 16px}
.nick-modal-card input{width:100%;height:44px}
.nick-close{position:absolute;right:12px;top:12px}
.nick-modal-actions{display:flex;gap:10px;margin-top:14px}
.nick-modal-actions .btn{flex:1}

/* ---------------------------------------------------------------- responsive */
@media (max-width:1020px){
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero-demo{max-width:520px}
  .room-grid{grid-template-columns:repeat(2,1fr)}
  .chat-shell{grid-template-columns:190px minmax(0,1fr) 200px}
}
@media (max-width:860px){
  .nav{display:none}
  .head-in{gap:12px}
  .head-actions{margin-left:auto}
  .online-pill{display:none}
  .only-mobile{display:inline-flex!important}
  .chat-shell{grid-template-columns:minmax(0,1fr)}
  .chat-rooms,.chat-users{position:fixed;top:0;bottom:0;z-index:70;width:min(300px,86vw);transform:translateX(-102%);transition:transform .18s ease}
  .chat-users{right:0;left:auto;border-left:1px solid var(--line);transform:translateX(102%)}
  .chat-rooms.is-open,.chat-users.is-open{transform:translateX(0)}
  .chat-rooms .pane-head,.chat-users .pane-head{padding-top:14px}
  .media-split,.split-2{grid-template-columns:1fr;gap:26px}
  .steps{grid-template-columns:1fr}
  .room-row{flex-direction:column;gap:10px}
  .room-row-side{flex-direction:row;align-items:center}
  .doc-cards{grid-template-columns:1fr}
  .cta-in{flex-direction:column;align-items:flex-start}
  .hero{padding:44px 0 30px}
  .section{padding:52px 0}
  .wrap{padding:0 18px}
  .compose-hint{display:none}
  .messages{padding:12px 10px 14px}
  .msg .t{width:34px;font-size:.66rem}
  .foot-in{grid-template-columns:1fr}
}
@media (max-width:560px){
  .room-grid{grid-template-columns:1fr}
  .hero h1{font-size:2.05rem}
  .hero-facts{gap:18px}
  .brand-cursor{display:none}
  .btn-big{width:100%}
  .chat-topic h1 .topic-title{display:none}
  .chat-topic{padding:8px 10px;min-height:52px}
  .nick-btn{max-width:120px}
  .compose{padding:8px 8px 6px}
  .compose-side .counter{display:none}
  .media{max-width:100%}
  .msg .body{flex-basis:calc(100% - 44px)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}