:root{
  --bg:#f4f6f9; --card:#fff; --ink:#1c2530; --muted:#6b7683; --line:#e2e7ee;
  --brand:#0b5cab; --brand-d:#084a8c; --ok:#1c8f4a; --warn:#b7791f; --danger:#c0392b;
  --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:15px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}
small{font-size:12px}

/* Topbar */
.topbar{background:var(--brand);color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 20px;height:56px;position:sticky;top:0;z-index:20;box-shadow:0 1px 6px rgba(0,0,0,.15)}
.topbar a{color:#fff}
.brand{font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px}
.brand:hover{text-decoration:none}
.logo{background:#fff;color:var(--brand);border-radius:5px;padding:2px 7px;font-weight:800;font-size:13px;letter-spacing:.5px}
.topbar nav{display:flex;align-items:center;gap:16px;font-size:14px}
.who{opacity:.95}
.role{font-size:11px;text-transform:uppercase;background:rgba(255,255,255,.2);padding:2px 7px;border-radius:20px;margin-left:4px}
.role-admin{background:#f1c40f;color:#4a3800}

.wrap{max-width:1100px;margin:24px auto;padding:0 20px}
.foot{text-align:center;color:var(--muted);font-size:12px;padding:30px 0}

/* Buttons */
.btn,.btn-ghost,.btn-sm{display:inline-block;border:0;border-radius:8px;cursor:pointer;font:inherit;padding:9px 16px;font-weight:600}
.btn{background:var(--brand);color:#fff}
.btn:hover{background:var(--brand-d);text-decoration:none}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-sm{padding:5px 10px;font-size:13px;background:#eef2f7;color:var(--ink);border:1px solid var(--line)}
.btn-sm:hover{background:#e2e8f1;text-decoration:none}
.btn-sm.danger{color:var(--danger);border-color:#f0c6c1}

/* Auth */
.auth-card{max-width:380px;margin:8vh auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 6px 24px rgba(20,40,80,.08)}
.auth-card h1{margin:0 0 4px}
.auth-card label{display:block;margin:16px 0 0;font-weight:600;font-size:13px}
.auth-card input{width:100%;margin-top:5px;padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit}
.auth-card .btn{width:100%;margin-top:22px}

/* Page head */
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.page-head h1{margin:0;font-size:22px}

/* Flash */
.flash{padding:11px 14px;border-radius:8px;margin:0 0 16px;font-size:14px}
.flash-ok{background:#e6f6ec;color:#155f34;border:1px solid #bde5cb}
.flash-error{background:#fdecea;color:#8a231a;border:1px solid #f3c4bf}
.flash-info{background:#eaf2fb;color:#0b3d78;border:1px solid #c5ddf6}

/* Table */
.tbl{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th,.tbl td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;font-size:14px}
.tbl th{background:#f7f9fc;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.inactive{opacity:.5}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.lnk{font-weight:600}
.empty{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);padding:40px;text-align:center;color:var(--muted)}

.bar{background:#eef2f7;border-radius:20px;height:8px;width:90px;overflow:hidden;display:inline-block;vertical-align:middle}
.bar span{display:block;height:100%;background:var(--ok)}
.status{font-size:12px;padding:3px 9px;border-radius:20px;text-transform:capitalize}
.status-draft{background:#fef3d7;color:#8a6400}
.status-submitted{background:#e6f6ec;color:#155f34}

/* Dialog */
.dlg{border:0;border-radius:12px;padding:24px;max-width:440px;width:92%;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.dlg::backdrop{background:rgba(15,30,55,.45)}
.dlg h2{margin:0 0 14px}
.dlg label{display:block;margin:12px 0;font-weight:600;font-size:13px}
.dlg input,.dlg select{width:100%;margin-top:5px;padding:9px;border:1px solid var(--line);border-radius:8px;font:inherit;font-weight:400}
.dlg-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

/* Form editor */
.form-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:20px}
.form-head h1{margin:6px 0 2px;font-size:22px}
.form-head-actions{display:flex;gap:10px;align-items:center;flex-shrink:0}
.form-layout{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.toc{position:sticky;top:74px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;max-height:calc(100vh - 100px);overflow:auto}
.toc-title{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:8px}
#toc-nav a{display:block;padding:4px 6px;font-size:13px;color:var(--ink);border-radius:6px}
#toc-nav a:hover{background:#f0f4f9;text-decoration:none}
#toc-nav a.lvl-part{font-weight:700;color:var(--brand);margin-top:8px}
#toc-nav a.lvl-area{font-weight:600}
#toc-nav a.lvl-sub{padding-left:16px;color:var(--muted)}

.form-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px}
.part-title{font-size:20px;border-bottom:2px solid var(--brand);padding-bottom:8px;margin-top:10px}
.part-intro{color:var(--muted);font-style:italic}
.sec-title{margin-top:26px}
h2.sec-title{background:#f2f6fb;padding:8px 12px;border-radius:6px;font-size:16px}
h3.sec-title{font-size:14px;color:var(--brand-d)}
.field{margin:16px 0;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fcfdfe}
.field-label{display:block;font-weight:600;font-size:14px;margin-bottom:7px;line-height:1.4}
.field .ans{width:100%;padding:9px;border:1px solid var(--line);border-radius:7px;font:inherit;resize:vertical}
.field .ans:focus{outline:2px solid #bcd6f2;border-color:var(--brand)}
.field-meta{min-height:16px}
.save-state{font-size:12px;color:var(--ok)}
.save-state.saving{color:var(--muted)}
.save-state.err{color:var(--danger)}

/* Editable grids */
.grid-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
table.grid{border-collapse:collapse;width:100%;font-size:13px;min-width:520px}
table.grid th,table.grid td{border:1px solid var(--line);padding:4px;vertical-align:top}
table.grid th{background:#f2f6fb;font-size:11px;font-weight:600;text-align:left;padding:6px}
table.grid th.col-check,table.grid td.col-check{width:52px;text-align:center}
table.grid th.col-x,table.grid td.col-x{width:34px;text-align:center}
table.grid td.rowlabel{background:#f7f9fc;font-weight:600;font-size:12px;white-space:nowrap;padding:6px}
table.grid td input,table.grid td textarea{width:100%;border:0;padding:5px;font:inherit;font-size:13px;background:transparent;resize:vertical}
table.grid td textarea{min-height:30px;line-height:1.3}
table.grid td input:focus,table.grid td textarea:focus{outline:2px solid #bcd6f2;border-radius:4px;background:#fff}
table.grid td input[type=checkbox]{width:auto}
table.grid td input[type=number]{text-align:right}
.rowdel{border:0;background:#fbe6e3;color:var(--danger);border-radius:5px;width:22px;height:22px;cursor:pointer;font-size:14px;line-height:1}
.addrow{margin-top:8px}
.tablefield{margin-top:2px}

.evidence{margin-top:10px;border-top:1px dashed var(--line);padding-top:8px}
.ev-head{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin-bottom:6px}
.ev-list{list-style:none;margin:0 0 8px;padding:0}
.ev-list li{display:flex;align-items:center;gap:8px;font-size:13px;padding:4px 0}
.ev-del{margin-left:auto;border:0;background:#fbe6e3;color:var(--danger);border-radius:5px;width:22px;height:22px;cursor:pointer;font-size:15px;line-height:1}
.ev-upload{cursor:pointer;display:inline-block}
.ev-upload input{display:none}

@media(max-width:820px){
  .form-layout{grid-template-columns:1fr}
  .toc{position:static;max-height:none}
  .form-head{flex-direction:column}
}