:root{
  --navy:#1b2a4a; --navy-deep:#14213a; --gold:#c9a648; --gold-soft:#f3ead2;
  --ink:#22304a; --muted:#6b7689; --line:#e3e7ee; --bg:#f6f7f9; --card:#fff;
  --green:#1e7d4f; --green-bg:#e4f3ea; --red:#b3261f; --red-bg:#fbe6e6;
  --amber:#9a6b00; --amber-bg:#fdf2d4; --radius:10px;
  --shadow:0 1px 3px rgba(20,33,58,.08),0 8px 24px rgba(20,33,58,.06);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg)}
h1,h2,h3,.serif{font-family:Georgia,"Times New Roman",serif}
a{color:var(--navy)}
button{font:inherit;cursor:pointer}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1200px 700px at 70% -10%,#2c3f66 0%,var(--navy-deep) 55%)}
.login-card{background:var(--card);border-radius:16px;box-shadow:var(--shadow);padding:40px 36px;max-width:400px;width:100%;text-align:center}
.logo{width:64px;height:64px;margin:0 auto 16px;border-radius:16px;background:var(--navy);color:var(--gold);
  font:700 34px/64px Georgia,serif}
.login-card h1{margin:0 0 4px;font-size:24px;color:var(--navy)}
.login-card p{margin:0 0 24px;color:var(--muted)}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:11px 16px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);text-decoration:none;font-weight:600}
.gbtn:hover{background:#f3f5f9}
.gbtn svg{width:18px;height:18px}
.login-foot{margin-top:22px;font-size:12.5px;color:var(--muted)}
.login-err{display:none;margin-bottom:16px;color:var(--red);background:var(--red-bg);border-radius:8px;padding:10px 12px;font-size:13.5px}

/* ---------- app shell ---------- */
.app{display:flex;height:100vh;overflow:hidden}
.rail{width:250px;flex:0 0 250px;background:var(--navy-deep);color:#cfd6e4;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:10px;padding:18px 16px 14px;color:#fff}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--navy);color:var(--gold);
  font:700 18px/32px Georgia,serif;text-align:center}
.brand b{font-family:Georgia,serif;font-weight:700;font-size:17px}
.brand-name{font-weight:650;font-size:16.5px;letter-spacing:.2px;color:#fff}
.firmtabs{display:flex;gap:6px;padding:6px 12px 12px;flex-wrap:wrap}
.firmtab{padding:6px 12px;border-radius:99px;background:rgba(255,255,255,.08);color:#cfd6e4;border:0;font-size:13px}
.firmtab.active{background:var(--gold);color:var(--navy-deep);font-weight:700}
.searchbox{padding:0 12px 10px}
.searchbox input{width:100%;padding:9px 12px;border-radius:8px;border:0;background:rgba(255,255,255,.1);color:#fff;font-size:14px}
.searchbox input::placeholder{color:#8d99b3}
.convlist{flex:1;overflow-y:auto;padding:4px 8px 12px}
.conv{display:block;width:100%;text-align:left;border:0;background:transparent;color:#cfd6e4;padding:10px 10px;border-radius:8px;margin-bottom:2px}
.conv:hover{background:rgba(255,255,255,.06)}
.conv.active{background:rgba(255,255,255,.12);color:#fff}
.conv .top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.conv .nm{font-weight:600;color:#fff;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv .tm{font-size:11px;color:#8d99b3;flex:0 0 auto}
.conv .pv{font-size:12.5px;color:#9aa6bf;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.conv .firm{font-size:10.5px;color:var(--gold);text-transform:uppercase;letter-spacing:.04em}
.dot{display:inline-block;width:8px;height:8px;border-radius:99px;background:var(--gold);margin-left:6px}
/* ---------- firm picklist ---------- */
.firmpick{padding:6px 12px 12px}
.firmpick select{width:100%;padding:9px 12px;border-radius:8px;border:0;background:rgba(255,255,255,.1);
  color:#fff;font:inherit;font-size:14px;font-weight:600;-webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23c9a648' d='M2 4l4 4 4-4z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
.firmpick select option{color:#1b2a4a;background:#fff}
.firmnum{margin-top:6px;font-size:12.5px;color:var(--gold);letter-spacing:.02em;min-height:16px;padding-left:2px}

/* ---------- rail foot / user panel (matches Tresp Reference) ---------- */
.railfoot{padding:12px 16px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8d99b3}
.railfoot a{color:#8d99b3}
.adminlink{display:block;margin-bottom:10px;color:#cfd6e4;text-decoration:none;font-size:13px;font-weight:600}
.adminlink:hover{color:#fff}
.whoami{color:#fff;margin-bottom:3px}
.whoami small{display:block;color:#8d99b3;margin-top:1px}
.link-quiet{color:#8d99b3;font-size:12.5px;text-decoration:none}
.link-quiet:hover{color:#cfd6e4}

/* ---------- admin overlay ---------- */
.admin-overlay{position:fixed;inset:0;background:rgba(20,33,58,.55);display:none;z-index:60;
  align-items:flex-start;justify-content:center;padding:36px 20px;overflow-y:auto}
.admin-overlay.open{display:flex}
.admin-panel{background:var(--bg);border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:860px;overflow:hidden}
.admin-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;background:#fff;border-bottom:1px solid var(--line)}
.admin-head h2{margin:0;color:var(--navy);font-size:20px}
.admin-close{border:1px solid var(--line);background:#fff;border-radius:8px;width:32px;height:32px;color:var(--muted);font-size:15px}
.admin-close:hover{background:#f3f5f9}
.admin-body{padding:22px 24px 28px}
.admin-sec{margin-bottom:30px}
.admin-sec:last-child{margin-bottom:0}
.admin-sec h3{font-family:Georgia,serif;color:var(--navy);font-size:16px;margin:0 0 4px}
.admin-sec .tsub{margin:0 0 12px;color:var(--muted);font-size:13px}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px}
.admin-table th{text-align:left;padding:9px 12px;background:#f6f7f9;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line)}
.admin-table td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.admin-table tr:last-child td{border-bottom:0}
.admin-table select,.admin-table input{font:inherit;font-size:13px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:#fff}
.admin-pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11.5px;font-weight:600}
.admin-pill.on{background:var(--green-bg);color:var(--green)}
.admin-pill.off{background:var(--red-bg);color:var(--red)}
.admin-mono{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--muted)}
.admin-actions{display:flex;gap:20px;flex-wrap:wrap;margin-top:14px}
.abtn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 12px;font-size:13px;color:var(--ink)}
.abtn:hover{background:#f3f5f9}
.abtn.primary{background:var(--navy);color:#fff;border-color:var(--navy);font-weight:600}
.abtn.danger{color:var(--red);border-color:#e8c9c7}
.abtn.danger:hover{background:var(--red-bg)}
.abtn.sm{padding:4px 9px;font-size:12px}
/* uniform-width enable-sending buttons */
.send-toggle{width:150px;text-align:center;border-radius:8px;padding:7px 0;font-size:12.5px;font-weight:600;border:1px solid var(--line);background:#fff}
.send-toggle.on{background:var(--green-bg);color:var(--green);border-color:transparent}
.send-toggle.off{background:#fff;color:var(--navy);border-color:var(--navy)}
.admin-addrow{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-top:14px;padding:14px;background:#fff;border:1px dashed var(--line);border-radius:10px}
.admin-addrow .fld{display:flex;flex-direction:column;gap:4px}
.admin-addrow label{font-size:11.5px;color:var(--muted)}
.admin-addrow input,.admin-addrow select{font:inherit;font-size:13px;padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:#fff}
.admin-addrow .firmchecks{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--ink)}
.admin-addrow .firmchecks label{display:flex;gap:5px;align-items:center;font-size:13px;color:var(--ink)}
.admin-err{display:none;margin-top:10px;color:var(--red);background:var(--red-bg);border-radius:8px;padding:8px 11px;font-size:13px}
.newbtn{margin:8px 12px;padding:10px;border-radius:8px;border:0;background:var(--gold);color:var(--navy-deep);font-weight:700}
.adminbar{padding:0 12px 8px;display:flex;flex-wrap:wrap;gap:6px}
.adminchip{padding:5px 10px;border-radius:99px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#cfd6e4;font-size:11.5px;cursor:pointer}
.adminchip:hover{background:rgba(255,255,255,.1)}
.adminchip.on{background:var(--green-bg);color:var(--green);border-color:transparent;font-weight:600}

/* ---------- thread pane ---------- */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.thead{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:#fff}
.thead .who{font-family:Georgia,serif;font-size:18px;color:var(--navy);font-weight:700}
.thead .sub{font-size:12.5px;color:var(--muted)}
.thead .actions button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;font-size:13px;color:var(--ink)}
.msgs{flex:1;overflow-y:auto;padding:22px 20px;background:var(--bg)}
.bubble{max-width:64%;padding:9px 13px;border-radius:14px;margin-bottom:10px;font-size:14.5px;white-space:pre-wrap;word-wrap:break-word}
.bubble.in{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.bubble.out{background:var(--navy);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.meta{font-size:11px;color:var(--muted);margin:0 4px 14px}
.meta.out{text-align:right}
.meta .fail{color:var(--red)}
.composer{display:flex;gap:10px;padding:14px 20px;border-top:1px solid var(--line);background:#fff}
.composer textarea{flex:1;resize:none;height:44px;max-height:140px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:inherit}
.composer button{padding:0 20px;border:0;border-radius:10px;background:var(--navy);color:#fff;font-weight:600}
.composer button:disabled{opacity:.5}
.empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;padding:40px}
.banner{background:var(--amber-bg);color:var(--amber);font-size:13px;padding:8px 20px;text-align:center}

/* ---------- modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(20,33,58,.45);display:none;align-items:center;justify-content:center;z-index:50}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:440px;padding:24px}
.modal h2{margin:0 0 14px;color:var(--navy);font-size:20px}
.modal label{display:block;font-size:12.5px;color:var(--muted);margin:12px 0 4px}
.modal input,.modal select,.modal textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
.modal textarea{resize:vertical;min-height:70px}
.modal .row{display:flex;gap:14px;justify-content:flex-end;margin-top:18px}
.modal .row button{padding:9px 16px;border-radius:8px;border:1px solid var(--line);background:#fff}
.modal .row button.primary{background:var(--navy);color:#fff;border-color:var(--navy);font-weight:600}
.err-inline{display:none;margin-top:12px;color:var(--red);background:var(--red-bg);border-radius:8px;padding:9px 12px;font-size:13px}