:root{
  --bg:#f6f8fc; --paper:#fff; --ink:#16202e; --muted:#57626f; --line:#e5e9f0;
  --accent:#2563eb; --accent-strong:#1d4fd7; --good:#0a7c3f; --danger:#b00020; --wash:#f4f7fc;
  --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
body.center{min-height:100vh;display:grid;place-items:center;padding:1.2rem}

/* auth */
.auth-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:2rem 1.8rem;max-width:400px;width:100%;text-align:center;box-shadow:0 10px 40px rgba(20,32,46,.07)}
.brand-mark{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin:0 auto .8rem;font-size:26px;background:linear-gradient(135deg,var(--accent),#35d0a5);color:#fff}
.brand-mark.sm{width:30px;height:30px;font-size:16px;border-radius:9px;margin:0}
.auth-card h1{margin:0 0 .3rem;font-size:1.5rem}
.auth-card .sub{color:var(--muted);font-size:.95rem;margin:0 0 1.3rem}
.devbox{margin-top:1rem;padding:.8rem;background:var(--wash);border:1px dashed var(--line);border-radius:10px;font-size:.82rem;color:var(--muted);word-break:break-all}
.devbox a{color:var(--accent)}

/* topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:.8rem 1.4rem;background:var(--paper);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:.5rem;font-size:1.02rem}
.topbar-right{display:flex;align-items:center;gap:.9rem}
.whoami{color:var(--muted);font-size:.86rem}
.tlink{color:var(--accent);text-decoration:none;font-weight:600;font-size:.9rem}
.tag-admin{background:var(--accent);color:#fff;font-size:.66rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:.15rem .45rem;border-radius:5px}

/* layout */
.wrap{max-width:1080px;margin:0 auto;padding:1.6rem 1.2rem;display:grid;grid-template-columns:370px 1fr;gap:1.2rem;align-items:start}
.wrap-narrow{max-width:680px;margin:0 auto;padding:1.6rem 1.2rem}
@media (max-width:840px){.wrap{grid-template-columns:1fr}}

.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.15rem 1.2rem}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.9rem}
.card-head h2{margin:0;font-size:.8rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.pcontrols{display:flex;gap:.4rem}

.stack{display:flex;flex-direction:column;gap:.75rem}
label{display:flex;flex-direction:column;gap:.3rem;font-size:.82rem;font-weight:600;color:#374151}
.hint{font-weight:400;color:#9ca3af}
input,textarea,select{width:100%;padding:.6rem .7rem;border:1px solid #cfd3da;border-radius:9px;font:inherit;font-size:.95rem;background:#fff;color:var(--ink)}
textarea{resize:vertical}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.row{display:flex;gap:.6rem;align-items:flex-end}
.row.end{justify-content:flex-end}
.grow{flex:1}
.check{flex-direction:row;align-items:center;gap:.4rem;white-space:nowrap;padding-bottom:.55rem}
.check input{width:auto}

.btn{cursor:pointer;border:0;border-radius:9px;padding:.6rem 1rem;font-size:.92rem;font-weight:700;background:var(--accent);color:#fff}
.btn:hover{background:var(--accent-strong)}
.btn.big{width:100%;padding:.8rem;font-size:1rem}
.btn.sm{padding:.45rem .8rem;font-size:.85rem}
.btn.ghost{background:#fff;color:#374151;border:1px solid #cfd3da;font-weight:600}
.btn.ghost:hover{background:#f4f5f7}
.btn.danger{color:var(--danger)}
.btn.danger:hover{border-color:var(--danger);background:#fff5f5}
.btn[disabled]{opacity:.6;cursor:default}

.msg{min-height:1rem;margin:.1rem 0 0;font-size:.83rem}
.msg.ok{color:var(--good)}
.msg.err{color:var(--danger)}

.results{display:flex;flex-direction:column;gap:.7rem;margin-top:1rem}
.reply{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:11px;padding:.8rem .9rem;background:var(--wash)}
.reply-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.4rem}
.reply-num{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.reply-text{font-size:.98rem;line-height:1.55;white-space:pre-wrap}
.copy-btn{background:#fff;color:var(--accent);border:1px solid #cfd3da;border-radius:8px;padding:.3rem .8rem;font-size:.8rem;font-weight:600;cursor:pointer}
.copy-btn:hover{border-color:var(--accent)}
.copy-btn.copied{border-color:var(--good);color:var(--good)}
.loading{color:var(--muted);font-size:.9rem;padding:.5rem 0}

/* clients table */
table.clients{width:100%;border-collapse:collapse;margin-top:.5rem}
table.clients th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:.4rem .3rem;border-bottom:1px solid var(--line)}
table.clients td{padding:.6rem .3rem;border-bottom:1px solid var(--line);font-size:.92rem}
table.clients .rm{background:none;border:0;color:var(--danger);cursor:pointer;font-size:.85rem;font-weight:600}