:root{--bg:#0b0f14;--panel:#12161c;--muted:#7f8ea3;--text:#dfe7f5;--accent:#b2c1ff;--ok:#7dd3fc;--badge:#222a35;}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(1200px 600px at 20% -10%,#0f1622 0%,#0b0f14 55%);color:var(--text);font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto}
.container{max-width:1100px;margin:40px auto;padding:0 16px}
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:980px){.grid{grid-template-columns:420px 1fr}}
.card{background:var(--panel);border:1px solid #1b2230;border-radius:16px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:10px;flex-wrap:wrap}
.title{font-weight:700}
.chip{background:var(--badge);color:var(--muted);border-radius:999px;padding:4px 10px;font-size:12px}
input[type=text],input[type=password]{width:100%;background:#0e141c;color:var(--text);border:1px solid #1b2230;border-radius:12px;padding:12px;outline:none}
button{background:#1f2a44;color:#e6ecff;border:0;border-radius:12px;padding:10px 14px;cursor:pointer}
button:hover{filter:brightness(1.08)}
.row{display:flex;gap:10px;align-items:center}
ul{list-style:none;padding:0;margin:10px 0 0}
li{padding:10px;border-radius:10px;border:1px solid #1b2230;margin-bottom:8px;background:#0e141c;cursor:pointer}
li small{color:var(--muted)}
.mirror{white-space:pre-wrap;background:#0e141c;border:1px dashed #243047;border-radius:12px;padding:12px;max-height:54vh;overflow:auto}
label.upload{display:inline-flex;gap:10px;align-items:center;padding:10px 12px;border:1px dashed #2b3a55;border-radius:12px;cursor:pointer}
textarea{width:100%;min-height:120px;background:#0e141c;color:var(--text);border:1px solid #243047;border-radius:12px;padding:10px;resize:vertical}
footer{color:#7b8aa1;text-align:center;margin:28px 0}
.login{max-width:380px;margin:120px auto}
.sub{color:#94a3b8;font-size:12px}

/* container das mensagens */
.chat{display:flex;flex-direction:column}

/* bolha base (esquerda por padrão) */
.msg{
  align-self:flex-start;            /* esquerda */
  max-width:72%;
  margin:6px 0;
  padding:10px 12px;
  border-radius:14px;
  line-height:1.35;
  word-wrap:break-word;
  white-space:pre-wrap;
}

/* gig (eles) – esquerda */
.msg.them{
  background:#0f1c2b;
  border:1px solid #223349;
  color:#d9e6ff;
  border-top-left-radius:4px;
}

/* você – direita */
.msg.me{
  background:#23324d;
  border:1px solid #2d3e5c;
  color:#eaf1ff;
  align-self:flex-end;              /* direita */
  border-top-right-radius:4px;
}

/* mensagens de sistema */
.sys{color:#93a8ff;font-size:12px;text-align:center;margin:8px 0}