:root{--bg:#0a0e17;--card:#121a28;--elev:#182234;--line:#243447;--text:#eef5fc;--muted:#8ba0b5;--accent:#3dd6ff;--accent2:#6ee7b7;--accent-dim:rgba(61,214,255,.12);--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.hide{display:none!important}
button,input,select{font:inherit;color:inherit}
.gate,.modal{min-height:100%;display:grid;place-items:center;padding:max(20px,var(--safe-t)) 16px max(28px,var(--safe-b));background:radial-gradient(900px 420px at 50% -20%,#14324a 0%,var(--bg) 55%)}
.modal{position:fixed;inset:0;z-index:30;background:rgba(5,8,14,.78);backdrop-filter:blur(10px)}
.card{width:min(400px,100%);background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px 20px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.card.center{text-align:center}
.mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(145deg,#3dd6ff,#2bb0e0);color:#041018;display:grid;place-items:center;font-size:20px;flex-shrink:0}
.mark.lg{width:56px;height:56px;font-size:26px;margin:0 auto 12px;border-radius:16px}
.mark.sm{width:34px;height:34px;font-size:15px;border-radius:11px}
.logo{font-weight:800;font-size:22px}
.logo.sm{font-size:18px;margin-bottom:4px}
.lead{color:var(--muted);font-size:14px;line-height:1.5;margin:10px 0 16px}
.trust{font-size:12px;color:var(--muted);text-align:center;margin:16px 0 0;line-height:1.4}
label{display:block;margin:14px 0 6px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
input,select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 14px;font-size:16px;outline:none}
input:focus,select:focus{border-color:var(--accent)}
.primary{width:100%;border:0;border-radius:12px;padding:14px;margin-top:10px;background:linear-gradient(135deg,#3dd6ff,#2bc4f0);color:#041018;font-weight:800;cursor:pointer}
.secondary{width:100%;border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:10px;background:var(--elev);color:var(--text);font-weight:700;cursor:pointer}
.app{height:100%;height:100dvh;display:flex;flex-direction:column;padding-top:var(--safe-t);position:relative}
.net{background:#7c2d12;color:#ffedd5;text-align:center;font-size:12px;font-weight:700;padding:6px}
.bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 10px;border-bottom:1px solid var(--line);background:rgba(10,14,23,.96)}
.bar-left{display:flex;gap:10px;align-items:center;min-width:0}
.room-name{font-weight:800;font-size:14px}
.room-meta{font-size:12px;color:var(--accent2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:42vw}
.bar-right{display:flex;gap:5px;align-items:center;flex-shrink:0}
#ttl-live{width:auto;padding:7px 8px;font-size:12px;background:var(--elev);border-radius:10px}
.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--elev);cursor:pointer}
.key-banner{background:var(--elev);border-bottom:1px solid var(--line);padding:10px 14px}
.key-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:4px}
.key-row{display:flex;align-items:center;gap:10px}
.key-row code{font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.06em}
.text-btn{border:0;background:transparent;color:var(--accent);font-weight:700;cursor:pointer}
.sheet{border-bottom:1px solid var(--line);background:var(--card);padding:12px 14px;max-height:200px;overflow:auto}
.sheet-h{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:8px}
.sheet-note{font-size:12px;color:var(--muted);margin:8px 0 0}
#qr-canvas{display:block;margin:8px auto;background:#fff;border-radius:12px;padding:8px}
.user-row{padding:8px 4px;font-weight:600;font-size:14px}
.user-row .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent2);margin-right:8px}
.msgs{flex:1;overflow:auto;padding:14px;-webkit-overflow-scrolling:touch}
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty-ico{font-size:36px;margin-bottom:10px}
.empty-t{font-weight:800;color:var(--text);font-size:16px;margin-bottom:6px}
.empty-d{font-size:13px;line-height:1.45}
.msg{display:flex;gap:10px;margin-bottom:12px;max-width:min(520px,100%);animation:in .18s ease;cursor:pointer}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.msg.mine{margin-left:auto;flex-direction:row-reverse}
.av{width:32px;height:32px;border-radius:50%;background:var(--accent-dim);color:var(--accent);display:grid;place-items:center;font-weight:800;font-size:12px;flex-shrink:0}
.msg.sys .av{background:rgba(110,231,183,.12);color:var(--accent2)}
.bubble{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px 12px;min-width:0}
.msg.mine .bubble{background:var(--elev);border-color:#2a455c}
.meta{font-size:11px;color:var(--muted);margin-bottom:3px}
.who{font-weight:700;color:var(--accent);margin-right:6px}
.msg.sys .who{color:var(--accent2)}
.txt{font-size:15px;line-height:1.45;word-break:break-word}
.txt.gone{color:var(--muted);font-style:italic}
.reacts{margin-top:4px;font-size:13px}
.ticks{font-size:11px;color:var(--muted);margin-top:2px;text-align:right}
.reply-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:#0f1c2c;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.react-bar{display:flex;gap:6px;justify-content:center;padding:8px;background:var(--card);border-top:1px solid var(--line)}
.react-bar button{border:0;background:var(--elev);border-radius:999px;padding:8px 12px;font-size:18px;cursor:pointer}
.composer{display:flex;gap:8px;padding:10px 12px 6px;border-top:1px solid var(--line);background:var(--card)}
.composer input{flex:1}
.send{border:0;border-radius:12px;padding:0 16px;background:var(--accent);color:#041018;font-weight:800;cursor:pointer;min-width:70px}
.trust-bar{text-align:center;font-size:11px;color:var(--muted);padding:0 12px calc(8px + var(--safe-b));background:var(--card)}