/* style.css - minimal, responsive */
:root{--bg:#0f1724;--card:#0b1220;--accent:#4f46e5;--muted:#9aa4b2;--text:#e6eef6}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Arial;background:linear-gradient(180deg,#071022 0%, #0b1220 100%);color:var(--text);min-height:100vh;display:flex;flex-direction:column;align-items:center}
#app{width:100%;max-width:1000px;margin:18px;background:rgba(255,255,255,0.02);border-radius:8px;overflow:hidden;box-shadow:0 6px 24px rgba(0,0,0,0.6)}
header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,0.03)}
header h1{margin:0;font-size:18px}
header h1 small{font-size:12px;color:var(--muted)}
#loginbox input{margin-right:6px;padding:6px 8px;border-radius:6px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--text)}
#loginbox button{padding:6px 8px;border-radius:6px;border:none;background:var(--accent);color:white;cursor:pointer}
main{display:flex;gap:12px;padding:12px;height: 84vh;}
#sidebar{width:180px;background:rgba(255,255,255,0.01);padding:8px;border-radius:6px}
#sidebar h3{margin:0 0 8px 0;color:var(--muted)}
#users{list-style:none;padding:0;margin:0}
#users li{padding:6px 8px;border-radius:4px;margin-bottom:6px;background:rgba(255,255,255,0.01)}
#chatwrap{flex:1;display:flex;flex-direction:column}
#messages{flex:1;overflow:auto;padding:12px;border-radius:6px;background:linear-gradient(180deg,rgba(255,255,255,0.01),transparent)}
.msg{margin-bottom:10px;padding:8px;border-radius:6px;line-height:1.25}
.msg .meta{font-size:12px;color:var(--muted);margin-bottom:6px}
.msg .text{white-space:pre-wrap}
.msg.mine{background:linear-gradient(90deg,rgba(79,70,229,0.12), rgba(79,70,229,0.06));border:1px solid rgba(79,70,229,0.12)}
.msg.sys{background:transparent;color:var(--muted);font-style:italic}
.msg.whisper{border-left:3px solid rgba(255,200,100,0.2)}
#sendForm{display:flex;gap:8px;padding:12px;border-top:1px solid rgba(255,255,255,0.02)}
#sendForm input{flex:1;padding:10px;border-radius:6px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--text)}
#sendForm button{padding:8px 12px;border-radius:6px;border:none;background:var(--accent);color:white}
footer{padding:8px 12px;color:var(--muted);font-size:12px;border-top:1px solid rgba(255,255,255,0.02)}
@media(max-width:700px){
  /* main{flex-direction:column} */
  #sidebar{width:100%;order:2}
}