/* SignFlow UI */
:root{
  --ink:#1B2231; --ink-soft:#5A6478; --line:#E3E7EF; --bg:#F5F7FA; --card:#fff;
  --navy:#14213D; --navy-2:#1D2E52;
  --accent:#E4572E; --accent-soft:#FCEAE3;
  --green:#1E6F5C; --green-soft:#E2F2ED;
  --amber:#B7791F; --amber-soft:#FCF0DA;
  --red:#B23A3A; --red-soft:#F9E5E5;
  --gray-soft:#EDF0F5;
  --radius:10px;
  font-size:15px;
}
*{box-sizing:border-box}
body{margin:0;font-family:'IBM Plex Sans',system-ui,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.shell{display:flex;min-height:100vh}
.sidebar{width:225px;background:var(--navy);color:#C7D0E0;display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}
.brand{font-weight:700;font-size:18px;color:#fff;padding:4px 10px 18px}
.sidebar nav{display:flex;flex-direction:column;gap:2px}
.sidebar nav a{color:#AEB9CD;padding:9px 12px;border-radius:8px;font-weight:500}
.sidebar nav a:hover{background:var(--navy-2);color:#fff;text-decoration:none}
.sidebar nav a.on{background:var(--accent);color:#fff}
.sidebar-foot{margin-top:auto;padding:12px 10px;border-top:1px solid #2A3B60;font-size:13px}
.plan-chip{display:inline-block;background:#2A3B60;color:#DCE4F2;border-radius:99px;padding:2px 10px;font-size:12px;margin-bottom:8px}
.who{color:#fff;font-weight:600;line-height:1.4}
.who span{color:#8FA0BC;font-weight:400;word-break:break-all}
.logout{display:inline-block;margin-top:8px;color:#8FA0BC}

.content{flex:1;padding:28px 34px;max-width:1250px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:22px}
.page-sub{color:var(--ink-soft);margin:4px 0 0;font-size:14px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-4,.grid-2{grid-template-columns:1fr}.content{padding:16px}.shell{flex-direction:column}.sidebar{width:100%;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center}.sidebar nav{flex-direction:row;flex-wrap:wrap}.sidebar-foot{margin:0 0 0 auto;border:0}}

.stat{padding:18px 20px}
.stat .n{font-family:'IBM Plex Mono',monospace;font-size:30px;font-weight:500;line-height:1}
.stat .l{color:var(--ink-soft);font-size:13px;margin-top:6px}
.stat.b-amber{border-left:4px solid var(--amber)}
.stat.b-green{border-left:4px solid var(--green)}
.stat.b-navy{border-left:4px solid var(--navy)}
.stat.b-accent{border-left:4px solid var(--accent)}

table.list{width:100%;border-collapse:collapse;font-size:14px}
table.list th{text-align:left;color:var(--ink-soft);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;padding:8px 10px;border-bottom:1px solid var(--line)}
table.list td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
table.list tr:hover td{background:#FAFBFD}

.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600;white-space:nowrap}
.badge-red{background:var(--red-soft);color:var(--red)}
.badge-amber{background:var(--amber-soft);color:var(--amber)}
.badge-green{background:var(--green-soft);color:var(--green)}
.badge-gray{background:var(--gray-soft);color:var(--ink-soft)}
.badge-accent{background:var(--accent-soft);color:var(--accent)}

.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:7px;padding:9px 16px;font-weight:600;font-size:14px;cursor:pointer;font-family:inherit}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn-secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-navy{background:var(--navy)}
.btn-danger{background:var(--red)}
.btn-sm{padding:5px 11px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

form .row{margin-bottom:14px}
label{display:block;font-weight:600;font-size:13px;margin-bottom:5px}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=file],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:7px;font-family:inherit;font-size:14px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.hint{color:var(--ink-soft);font-size:12px;margin-top:4px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}

.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-weight:500}
.flash-ok{background:var(--green-soft);color:var(--green)}
.flash-err{background:var(--red-soft);color:var(--red)}

.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy);padding:20px}
.auth-card{background:#fff;border-radius:14px;padding:34px;width:100%;max-width:420px}
.auth-card h1{margin:0 0 4px;font-size:22px}
.auth-card .page-sub{margin-bottom:20px}
.auth-brand{color:#fff;text-align:center;font-size:26px;font-weight:700;margin-bottom:20px;display:block}

.muted{color:var(--ink-soft)}
.right{text-align:right}
.mt0{margin-top:0}
.inline-form{display:inline}
.empty{padding:36px;text-align:center;color:var(--ink-soft)}
.empty strong{display:block;color:var(--ink);font-size:16px;margin-bottom:6px}
.filterbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
code.copy{background:var(--gray-soft);padding:4px 8px;border-radius:6px;font-size:12px;word-break:break-all;cursor:pointer}

/* ===== Editor & signing ===== */
.editor-layout{display:flex;gap:18px;align-items:flex-start}
.editor-side{width:290px;flex-shrink:0;position:sticky;top:16px}
.editor-pages{flex:1;min-width:0}
@media(max-width:900px){.editor-layout{flex-direction:column}.editor-side{width:100%;position:static}}

.pdf-page{position:relative;background:#fff;box-shadow:0 2px 14px rgba(10,20,40,.12);margin:0 auto 22px;border-radius:4px;overflow:hidden}
.pdf-page canvas{display:block;width:100%;height:auto}
.page-num{text-align:center;color:var(--ink-soft);font-size:12px;margin:-14px 0 18px}

.field-box{position:absolute;border:2px dashed var(--accent);background:rgba(228,87,46,.10);border-radius:5px;font-size:11px;font-weight:600;color:var(--accent);display:flex;align-items:center;justify-content:center;cursor:move;user-select:none;overflow:hidden}
.field-box.selected{border-style:solid;background:rgba(228,87,46,.18)}
.field-box .del{position:absolute;top:-1px;right:-1px;background:var(--accent);color:#fff;width:16px;height:16px;line-height:16px;text-align:center;border-radius:0 0 0 6px;cursor:pointer;font-size:11px}
.field-box.s2{border-color:#1D6FB8;background:rgba(29,111,184,.10);color:#1D6FB8}
.field-box.s2 .del{background:#1D6FB8}
.field-box.s3{border-color:#7C4DBE;background:rgba(124,77,190,.10);color:#7C4DBE}
.field-box.s3 .del{background:#7C4DBE}
.field-box.s4{border-color:#1E6F5C;background:rgba(30,111,92,.10);color:#1E6F5C}
.field-box.s4 .del{background:#1E6F5C}

.sign-field{position:absolute;border:2px solid var(--accent);background:rgba(228,87,46,.10);border-radius:5px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--accent);overflow:hidden}
.sign-field.done{border-color:var(--green);background:rgba(30,111,92,.06);color:var(--green)}
.sign-field img{max-width:100%;max-height:100%;object-fit:contain}
.sign-field input[type=text]{border:0;background:transparent;width:100%;height:100%;font-size:12px;padding:2px 4px;outline:none;color:var(--ink)}

.tool-btn{display:block;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-weight:600;font-size:13px;margin-bottom:6px;cursor:pointer;font-family:inherit;color:var(--ink)}
.tool-btn.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.signer-row{display:flex;gap:6px;margin-bottom:6px;align-items:center}
.signer-row input{padding:7px 9px;font-size:13px}
.signer-dot{width:12px;height:12px;border-radius:99px;flex-shrink:0}

/* Signature modal */
.modal-bg{position:fixed;inset:0;background:rgba(12,20,38,.55);display:none;align-items:center;justify-content:center;z-index:50;padding:14px}
.modal-bg.open{display:flex}
.modal{background:#fff;border-radius:14px;padding:22px;width:100%;max-width:480px}
.modal h3{margin:0 0 12px;font-size:17px}
.tabbar{display:flex;gap:6px;margin-bottom:12px}
.tabbar button{flex:1;padding:8px;border:1px solid var(--line);background:#fff;border-radius:7px;font-weight:600;cursor:pointer;font-family:inherit}
.tabbar button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
#sigCanvas{border:1.5px dashed var(--line);border-radius:8px;width:100%;height:170px;touch-action:none;background:#FCFCFD}
.type-input{font-size:26px;font-family:'Segoe Script','Brush Script MT',cursive;text-align:center;padding:18px 10px !important}

.signbar{position:sticky;top:0;z-index:20;background:var(--navy);color:#fff;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.signbar .t{font-weight:600}
.signbar .muted2{color:#AEB9CD;font-size:12px}
.progress-pill{background:#2A3B60;border-radius:99px;padding:4px 12px;font-size:12px}