:root{
  --bg:#0b141a; --panel:#111b21; --panel2:#182229; --line:#233138;
  --txt:#e9edef; --muted:#8696a0; --accent:#00a884;
  --bubble-in:#202c33; --bubble-out:#005c4b; --sep:#182229;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--txt); font-size:15px; line-height:1.35;
}
a{color:inherit;text-decoration:none}
.muted{color:var(--muted);font-size:13px}

/* ---------- Login ---------- */
.login-wrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:28px 24px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}
.brand{font-size:22px;font-weight:700}
.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.login-card input{background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  padding:11px 12px;color:var(--txt);font-size:15px}
.login-card input:focus{outline:2px solid var(--accent);outline-offset:0}
.login-card button{margin-top:6px;background:var(--accent);color:#04231b;border:0;border-radius:8px;
  padding:12px;font-weight:700;font-size:15px;cursor:pointer}
.erro{background:#3a1d1d;border:1px solid #6b2b2b;color:#ffd7d7;border-radius:8px;padding:9px 11px;font-size:13px}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:5;background:var(--panel);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:12px;padding:12px 16px}
.topbar .titulo{font-weight:700;font-size:18px}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:14px}
.sair{color:var(--muted);font-size:13px}
.sair:hover{color:var(--txt)}

/* ---------- Lista ---------- */
.lista{max-width:820px;margin:0 auto}
.conv{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--sep);align-items:center}
.conv:hover{background:var(--panel2)}
.avatar{width:44px;height:44px;flex:0 0 44px;border-radius:50%;background:var(--accent);
  color:#04231b;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.conv-main{min-width:0;flex:1}
.conv-top{display:flex;justify-content:space-between;gap:8px}
.nome{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.quando{color:var(--muted);font-size:12px;flex:0 0 auto}
.conv-bot{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-top:2px}
.preview{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{background:var(--accent);color:#04231b;border-radius:11px;font-size:11px;font-weight:700;
  padding:1px 8px;flex:0 0 auto}
.tel{color:var(--muted);font-size:11px;margin-top:1px}
.vazio{color:var(--muted);text-align:center;padding:40px}

/* ---------- Chat ---------- */
.conv-header .voltar{font-size:26px;color:var(--muted);line-height:1;padding:0 2px}
.conv-header .conv-id{min-width:0}
.conv-header .nome{font-size:16px}
.chat{max-width:820px;margin:0 auto;padding:14px 12px 40px;display:flex;flex-direction:column;gap:4px}
.dia-sep{text-align:center;margin:12px 0}
.dia-sep span{background:var(--sep);color:var(--muted);font-size:12px;padding:4px 12px;border-radius:8px}
.row{display:flex}
.row.cliente{justify-content:flex-start}
.row.bot{justify-content:flex-end}
.bubble{max-width:78%;padding:7px 10px 5px;border-radius:10px;position:relative;
  box-shadow:0 1px 1px rgba(0,0,0,.2);word-wrap:break-word;overflow-wrap:anywhere}
.row.cliente .bubble{background:var(--bubble-in);border-top-left-radius:3px}
.row.bot .bubble{background:var(--bubble-out);border-top-right-radius:3px}
.msg{white-space:pre-wrap}
.hora{font-size:10px;color:var(--muted);text-align:right;margin-top:3px}
.row.bot .hora{color:#8fd3c4}

@media (max-width:600px){
  body{font-size:15px}
  .bubble{max-width:85%}
}