:root{
  --bg:#f4f5f7; --card:#ffffff; --ink:#0a0c10; --muted:#6b7280;
  --line:#e6e8eb; --primary:#0a0c10; --danger:#d92d20; --ok:#067647;
  --radius:12px; --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;}
.container{max-width:1080px;margin:24px auto;padding:0 16px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px;}
h1{font-size:20px;margin:0 0 4px;} h2{font-size:17px;margin:0 0 4px;}
.muted{color:var(--muted);font-size:13px;}
.topbar{display:flex;align-items:center;gap:18px;background:var(--card);border-bottom:1px solid var(--line);padding:12px 22px;flex-wrap:wrap;}
.brand{font-weight:700;} .ver{color:var(--muted);font-weight:400;font-size:12px;margin-left:6px;}
.tabs{display:flex;gap:4px;margin-left:8px;flex:1;}
.tab{padding:8px 14px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:14px;font-weight:600;}
.tab.active{background:#eef1f4;color:var(--ink);}
.tab:hover{color:var(--ink);}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-danger{background:#fff;color:var(--danger);border-color:#f1c7c2;}
.btn-sm{padding:5px 10px;font-size:12px;}
.inline{display:inline;margin:0;}
.row-form{display:flex;gap:8px;margin:0 0 18px;flex-wrap:wrap;}
.row-form input[type=text]{flex:1;min-width:200px;}
input[type=text],input[type=password],input[type=email],input[type=number],select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff;color:var(--ink);}
label{display:block;font-size:13px;font-weight:600;margin:0 0 12px;}
label input,label select{margin-top:6px;font-weight:400;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;}
.form-actions{grid-column:1/-1;margin-top:6px;}
.tbl{width:100%;border-collapse:collapse;}
.tbl th,.tbl td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:middle;}
.tbl th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);}
.tbl.kv2 th{width:130px;background:#f7f8fa;text-transform:none;letter-spacing:0;color:#3a3f47;}
.actions{display:flex;gap:6px;justify-content:flex-end;align-items:center;flex-wrap:wrap;}
.badge{font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;display:inline-block;}
.b-sent{background:#eef2ff;color:#3949ab;} .b-viewed{background:#fff4e5;color:#b26a00;}
.b-signed{background:#e7f6ee;color:var(--ok);} .b-expired{background:#fbeaea;color:var(--danger);}
.alert{background:#fdecea;color:var(--danger);border:1px solid #f6c9c4;padding:10px 12px;border-radius:8px;font-size:13px;margin:0 0 14px;}
.flash{background:#e7f6ee;color:#065f46;border:1px solid #b7e4c7;padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:18px;}
.filters{display:flex;gap:8px;margin:0 0 16px;flex-wrap:wrap;}
.filters select{width:auto;} .filters input[type=text]{flex:1;min-width:220px;}
.pagination{display:flex;gap:12px;align-items:center;margin-top:16px;}
.doc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;}
.auth-card{width:100%;max-width:360px;} .auth-card .btn-primary{width:100%;margin-top:6px;}
.s-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px;}
.s-card{width:100%;max-width:520px;text-align:center;}
.s-brand{font-weight:700;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;}
@media(max-width:680px){.form-grid{grid-template-columns:1fr;}.tabs{order:3;width:100%;}.actions{justify-content:flex-start;}}