:root{--bg:#0d0f12;--surface:#15181d;--surface2:#1c2026;--line:#2a3038;--text:#f7f8fa;--muted:#929aa6;--accent:#9cf04e;--red:#ff6b6b}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}
button,input{font:inherit}
button{cursor:pointer;background:var(--accent);color:#0c1108;border:0;border-radius:10px;padding:11px 16px;font-weight:750}
aside{position:fixed;width:240px;inset:0 auto 0 0;background:#111318;border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column}
.brand{width:190px;height:auto;margin-bottom:50px}
nav{display:grid;gap:8px}
nav a{color:var(--muted);text-decoration:none;padding:12px;border-radius:9px}
nav a.active,nav a:hover{background:var(--surface2);color:var(--text)}
aside form{margin-top:auto}
.ghost{width:100%;background:transparent;color:var(--muted);border:1px solid var(--line)}
.content{margin-left:240px;padding:38px;max-width:1500px}
header,.panel-head{display:flex;align-items:center;justify-content:space-between}
h1{font-size:32px;margin:3px 0 25px}
h2{font-size:20px;margin:3px 0}
.eyebrow{letter-spacing:.16em;font-size:11px;color:var(--accent);font-weight:800;margin:0}
.muted,.hint{color:var(--muted)}
.live{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:14px}
.live i{width:9px;height:9px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 5px #9cf04e20}
.live.off i{background:var(--red);box-shadow:none}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
.cards article,.panel{background:linear-gradient(145deg,var(--surface),#12151a);border:1px solid var(--line);border-radius:16px;padding:22px}
.cards span{display:block;color:var(--muted);font-size:13px}
.cards strong{display:block;font-size:35px;margin:14px 0 5px}
.cards em{font-style:normal;color:#68717d;font-size:12px}
.grid{display:grid;grid-template-columns:1.2fr 1fr;gap:16px}
.panel{min-height:390px}
.messages,.users{margin-top:20px;display:grid;gap:8px;max-height:460px;overflow-y:auto;overflow-x:hidden}
.msg,.user{display:grid;grid-template-columns:minmax(180px,280px) minmax(0,1fr) auto;align-items:start;gap:12px;background:var(--surface2);padding:11px 13px;border-radius:10px}
.msg code,.user code{color:var(--accent);min-width:0;overflow-wrap:anywhere;word-break:break-word}
.msg span{min-width:0;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;line-height:1.45}
.msg small{white-space:nowrap}
.msg small,.user small{color:var(--muted)}
.empty{color:var(--muted);text-align:center;padding:70px 10px}
.danger{background:transparent;color:var(--red);padding:6px 8px}
.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 50% -20%,#343a42,var(--bg) 50%)}
.login-card{width:min(430px,calc(100% - 30px));padding:38px;background:#14171b;border:1px solid var(--line);border-radius:20px;box-shadow:0 25px 80px #0008}
.login-logo{display:block;width:280px;max-width:100%;height:auto;margin:0 auto 30px}
.login-card h1{margin:5px 0}
.login-card form,#userForm{display:grid;gap:16px;margin-top:25px}
label{display:grid;gap:7px;color:#c8cdd3;font-size:13px}
input{background:#0d0f12;border:1px solid var(--line);border-radius:10px;color:white;padding:12px;outline:0}
input:focus{border-color:var(--accent)}
.login-card small{display:block;text-align:center;color:#606874;margin-top:24px}
.error{background:#4a2024;color:#ffb7bd;padding:10px;border-radius:8px}
.hidden{display:none}
dialog{border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--text);width:min(460px,calc(100% - 30px));padding:28px}
dialog::backdrop{background:#000b}
.close{float:right;background:transparent;color:var(--muted);font-size:22px;padding:0}
.hint{font-size:12px;margin:0}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}
.grid{grid-template-columns:1fr}
}
@media(max-width:700px){aside{position:static;width:auto;height:auto;padding:18px}
.brand{width:170px;margin:0}
nav{display:none}
aside form{position:absolute;right:18px;top:18px}
.content{margin:0;padding:20px}
.cards{grid-template-columns:1fr 1fr}
.msg{grid-template-columns:1fr}
.grid{grid-template-columns:1fr}
}