:root{
  --bg:#f6f7f9;--surface:#fff;--border:#e4e7ec;--text:#111827;--muted:#6b7280;--muted-2:#9ca3af;
  --brand:#0f766e;--brand-dark:#0b5d57;--brand-soft:#e6f4f2;
  --danger:#b91c1c;--danger-soft:#fee2e2;--warn:#b45309;--warn-soft:#fef3c7;--ok:#15803d;--ok-soft:#dcfce7;--info-soft:#dbeafe;--info:#1d4ed8;
  --radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  --font:ui-sans-serif,-apple-system,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);font-size:14.5px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:22px;font-weight:650;margin:0 0 4px;letter-spacing:-.01em}
h2{font-size:16px;font-weight:600;margin:0 0 10px}
h3{font-size:14px;font-weight:600;margin:0 0 8px;color:var(--muted)}
p{margin:0 0 10px}
code,pre{font-family:var(--mono);font-size:12.5px}
code{background:#eef0f3;padding:1px 5px;border-radius:4px}
.muted{color:var(--muted)}.small{font-size:12.5px}.tiny{font-size:11.5px}.mono{font-family:var(--mono)}
.right{text-align:right}.center{text-align:center}.nowrap{white-space:nowrap}
.inline{display:inline}
.container{max-width:1180px;margin:0 auto;padding:24px 20px 60px}
.container.narrow{max-width:520px;padding-top:70px}
.row{display:flex;gap:16px;align-items:center}.row.between{justify-content:space-between}.row.top{align-items:flex-start}.row.wrap{flex-wrap:wrap}
.stack{display:flex;flex-direction:column;gap:12px}
.grid{display:grid;gap:16px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-main{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
@media(max-width:860px){.grid-2,.grid-3,.grid-4,.grid-main{grid-template-columns:1fr}}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head .sub{color:var(--muted);margin:0}
/* nav */
.nav{display:flex;align-items:center;gap:28px;padding:0 20px;height:56px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.brand{font-weight:650;color:var(--text);display:flex;align-items:center;gap:9px;font-size:15px}.brand:hover{text-decoration:none}
.logo{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;background:var(--brand);color:#fff;font-weight:700;font-size:14px}
.logo-lg{width:44px;height:44px;font-size:22px;border-radius:12px;margin:0 auto 14px}
.nav-links{display:flex;gap:4px;flex:1}
.nav-links a{color:var(--muted);padding:6px 10px;border-radius:7px;font-weight:500}
.nav-links a:hover{background:var(--bg);text-decoration:none;color:var(--text)}
.nav-links a.active{color:var(--brand);background:var(--brand-soft)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-right form{display:flex;align-items:center;gap:8px}
.avatar{width:26px;height:26px;border-radius:50%}
button.link{background:none;border:0;color:var(--muted);cursor:pointer;font:inherit;padding:0}button.link:hover{color:var(--text)}
/* cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}
.card.pad-0{padding:0}.card+.card{margin-top:16px}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px}
.card-head h2{margin:0}
.login-card{text-align:center;padding:36px 32px}.login-card .btn{margin:16px 0 6px;width:100%}
.stat{padding:16px 18px}.stat .label{color:var(--muted);font-size:12.5px;font-weight:500;text-transform:uppercase;letter-spacing:.04em}
.stat .value{font-size:28px;font-weight:650;letter-spacing:-.02em;margin-top:2px}.stat .hint{color:var(--muted);font-size:12.5px}
.stat.warn .value{color:var(--warn)}.stat.danger .value{color:var(--danger)}.stat.ok .value{color:var(--ok)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:7px 13px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-weight:500;cursor:pointer;white-space:nowrap;line-height:1.3}
.btn:hover{background:#f1f3f6;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}
.btn-danger{color:var(--danger);border-color:#f3c5c5}.btn-danger:hover{background:var(--danger-soft)}
.btn-sm{padding:5px 10px;font-size:13px}.btn-lg{padding:11px 18px;font-size:15px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:8px;flex-wrap:wrap}
/* tables */
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbfc}
td a.strong{font-weight:600;color:var(--text)}
.empty{padding:36px;text-align:center;color:var(--muted)}
/* badges */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;background:#eef0f3;color:#374151}
.badge-sent,.badge-viewed{background:var(--info-soft);color:var(--info)}
.badge-signed{background:var(--warn-soft);color:var(--warn)}
.badge-active{background:var(--ok-soft);color:var(--ok)}
.badge-expired,.badge-declined,.badge-void{background:var(--danger-soft);color:var(--danger)}
.badge-draft,.badge-superseded{background:#eef0f3;color:var(--muted)}
.pill{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11.5px;background:var(--brand-soft);color:var(--brand);font-weight:600}
.pill.grey{background:#eef0f3;color:var(--muted)}
.expiry-danger{color:var(--danger);font-weight:600}.expiry-warn{color:var(--warn);font-weight:600}
/* forms */
label{display:block;font-weight:500;font-size:13px;margin-bottom:5px}
.field{margin-bottom:14px}.field .help{color:var(--muted);font-size:12.5px;margin-top:4px}
input[type=text],input[type=email],input[type=url],input[type=date],input[type=number],input[type=password],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}textarea.code{font-family:var(--mono);font-size:12.5px;min-height:480px;line-height:1.5}
.check{display:flex;gap:9px;align-items:flex-start;font-weight:400}.check input{margin-top:3px}
fieldset{border:0;padding:0;margin:0 0 18px}legend{font-weight:600;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px;padding:0}
.form-actions{display:flex;gap:10px;align-items:center;margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}
.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.filters input,.filters select{width:auto;padding:6px 9px}
/* flash */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;border:1px solid transparent;background:var(--info-soft);color:var(--info)}
.flash-success{background:var(--ok-soft);color:var(--ok)}.flash-error{background:var(--danger-soft);color:var(--danger)}.flash-warning{background:var(--warn-soft);color:var(--warn)}
/* detail */
.dl{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;margin:0}.dl dt{color:var(--muted);font-size:13px}.dl dd{margin:0}
.timeline{list-style:none;margin:0;padding:0}.timeline li{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:13px}
.timeline li:last-child{border-bottom:0}.timeline .t{color:var(--muted);white-space:nowrap;min-width:140px;font-size:12px}
.timeline .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:6px;flex:none}
.pdf-frame{width:100%;height:720px;border:1px solid var(--border);border-radius:8px;background:#525659}
.preview{border:1px solid var(--border);border-radius:8px;padding:28px 32px;background:#fff;max-height:600px;overflow:auto}
.preview h1{font-size:18px}.preview h2{font-size:15px;margin-top:18px}.preview p{margin:0 0 9px}
.diff table{font-family:var(--mono);font-size:11.5px;width:100%}.diff td{padding:1px 6px;border:0;white-space:pre-wrap;vertical-align:top}
.diff .diff_add{background:#dcfce7}.diff .diff_sub{background:#fee2e2}.diff .diff_chg{background:#fef3c7}.diff .diff_header{color:var(--muted);background:#f3f4f6}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px}.tabs a{padding:8px 12px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;font-weight:500}
.tabs a.active{color:var(--brand);border-color:var(--brand)}.tabs a:hover{text-decoration:none;color:var(--text)}
/* signing page */
.sign-shell{max-width:980px}
.sign-pad{border:1px dashed var(--muted-2);border-radius:8px;background:#fff;height:160px;width:100%;touch-action:none;display:block}
.sign-tabs{display:flex;gap:6px;margin-bottom:8px}.sign-tabs button.active{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}
.typed-preview{font-family:"Snell Roundhand","Brush Script MT","Segoe Script",cursive;font-size:34px;padding:16px;min-height:80px;border:1px dashed var(--muted-2);border-radius:8px;background:#fff}
.sig-img{max-height:70px;border-bottom:1px solid var(--text);display:block}
.sticky{position:sticky;top:76px}
.kv{display:flex;justify-content:space-between;gap:8px;padding:6px 0;border-bottom:1px dashed var(--border);font-size:13px}.kv:last-child{border-bottom:0}.kv span:first-child{color:var(--muted)}
.notice{background:var(--brand-soft);color:var(--brand-dark);padding:12px 14px;border-radius:8px;font-size:13px}
.danger-zone{border-color:#f3c5c5}
.htmx-indicator{display:none}.htmx-request .htmx-indicator,.htmx-request.htmx-indicator{display:inline}
@media(max-width:760px){.nav{height:auto;flex-wrap:wrap;padding:10px 14px;gap:10px}.nav-links{order:3;width:100%;overflow-x:auto}.container{padding:16px 14px 48px}.dl{grid-template-columns:1fr}.pdf-frame{height:480px}}