:root{
  --bg:#f5f6f7; --panel:#fff; --ink:#16191d; --mute:#6b7280; --line:#e3e6ea;
  --accent:#1f4e79; --accent-soft:#eaf1f8; --danger:#b3261e; --ok:#146c43;
  --radius:8px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
/* Text scale. 16px = the browser default; 20px is a quarter bigger than that. */
html{font-size:20px}
@media(max-width:1100px){html{font-size:18px}}
@media(max-width:820px){html{font-size:16px}}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font:0.875rem/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- top bar ---- */
.topbar{display:flex;align-items:center;flex-wrap:wrap;gap:16px 28px;background:#fff;border-bottom:1px solid var(--line);
  padding:10px 24px;min-height:84px;position:sticky;top:0;z-index:50}
.brand{white-space:nowrap;font-weight:700;font-size:0.9375rem;color:var(--ink);display:flex;flex-direction:column;line-height:1.15}
.brand span{font-weight:400;font-size:0.65625rem;color:var(--mute);letter-spacing:.06em;text-transform:uppercase}
.topbar nav{display:flex;gap:4px;flex:1}
.topbar nav a{padding:10px 16px;border-radius:6px;color:#374151;font-weight:500}
.topbar nav a:hover{background:#f2f4f6;text-decoration:none}
.topbar nav a.on{background:var(--accent-soft);color:var(--accent)}
.userbox{display:flex;align-items:center;gap:14px;white-space:nowrap;font-size:0.8125rem;color:var(--mute)}

main{max-width:1500px;margin:0 auto;padding:28px 24px 90px}

/* ---- page furniture ---- */
h1{font-size:1.375rem;margin:0 0 4px}
h2{font-size:1rem;margin:0 0 12px}
h3{font-size:0.8125rem;margin:0 0 8px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute)}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.sub{color:var(--mute);font-size:0.8125rem}
.panel{min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px;margin-bottom:20px}
.panel.tight{padding:0}
.panel h2{display:flex;align-items:center;justify-content:space-between;gap:10px}
.grid{display:grid;gap:16px}
.grid>*{min-width:0}
.grid.c2{grid-template-columns:2fr 1fr}
@media(max-width:1100px){.grid.c2{grid-template-columns:minmax(0,1fr)}}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;border:1px solid var(--accent);
  padding:12px 20px;border-radius:6px;font-size:0.8125rem;font-weight:600;cursor:pointer;line-height:1.2}
.btn:hover{background:#1a4267;text-decoration:none;color:#fff}
.btn.ghost{background:#fff;color:#374151;border-color:var(--line)}
.btn.ghost:hover{background:#f6f7f9;color:#111}
.btn.sm{padding:8px 14px;font-size:0.75rem}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btnrow{display:flex;gap:8px;flex-wrap:wrap}

/* ---- forms ---- */
label{display:block;font-size:0.75rem;font-weight:600;color:#374151;margin:0 0 5px}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],select,textarea{
  width:100%;min-width:0;padding:11px 14px;border:1px solid #cbd2d9;border-radius:6px;font:inherit;font-size:0.8125rem;background:#fff}
textarea{min-height:5rem;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.field{margin-bottom:14px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media(max-width:820px){.row,.row3{grid-template-columns:1fr!important}}
.hint{font-size:0.71875rem;color:var(--mute);margin-top:4px}

/* ---- tables ---- */
table{width:100%;border-collapse:collapse;font-size:0.8125rem}
th{text-align:left;font-size:0.6875rem;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);
  padding:12px 14px;border-bottom:1px solid var(--line);font-weight:600;background:#fbfbfc}
td{padding:14px 14px;border-bottom:1px solid #eef0f2;vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbfc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.empty{padding:40px 20px;text-align:center;color:var(--mute)}

/* ---- status pills ---- */
.pill{display:inline-block;padding:4px 12px;border-radius:99px;font-size:0.6875rem;font-weight:600;
  letter-spacing:.02em;white-space:nowrap}
.st-grey{background:#eef0f2;color:#4b5563}
.st-blue{background:#e5eefb;color:#1f4e79}
.st-amber{background:#fdf0d5;color:#8a5a00}
.st-green{background:#e2f3e8;color:#146c43}
.st-red{background:#fdeaea;color:#b3261e}
.st-teal{background:#dff2f1;color:#0f6b66}
.st-purple{background:#eee8fb;color:#5b3fa8}

/* ---- flash ---- */
.flash{padding:11px 14px;border-radius:6px;margin-bottom:16px;font-size:0.8125rem;border:1px solid}
.flash.ok{background:#e9f6ee;border-color:#bfe3cc;color:#14532d}
.flash.err{background:#fdeceb;border-color:#f3c3c0;color:#7f1d1d}
.flash.warn{background:#fdf6e3;border-color:#f0dfae;color:#78350f}

/* ---- case header ---- */
.case-head{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px;box-shadow:var(--shadow)}
.case-head .ref{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:0.75rem;color:var(--mute)}
.case-head h1{margin:2px 0 8px}
.meta{display:flex;gap:22px;flex-wrap:wrap;font-size:0.78125rem;color:var(--mute);margin-top:10px}
.meta b{color:var(--ink);font-weight:600}

/* ---- progress ---- */
.prog{height:9px;background:#eef0f2;border-radius:99px;overflow:hidden;margin:8px 0 4px}
.prog i{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .3s}
.prog.done i{background:var(--ok)}

/* ---- tabs ---- */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{padding:12px 16px;font-size:0.8125rem;font-weight:600;color:var(--mute);border-bottom:2px solid transparent;white-space:nowrap}
.tabs a:hover{color:var(--ink);text-decoration:none}
.tabs a.on{color:var(--accent);border-bottom-color:var(--accent)}

/* ---- checklist ---- */
.item{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid #eef0f2;align-items:flex-start}
.item:last-child{border-bottom:none}
.item .tick{width:1.1rem;height:1.1rem;border-radius:5px;border:2px solid #cbd2d9;flex:0 0 auto;margin-top:2px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;background:#fff;color:transparent;font-size:0.8125rem;font-weight:700}
.item .tick:hover{border-color:var(--accent)}
.item.done .tick{background:var(--ok);border-color:var(--ok);color:#fff}
.item .body{flex:1;min-width:0}
.item .lbl{font-weight:600;font-size:0.84375rem}
.item.done .lbl{color:var(--mute);text-decoration:line-through}
.item .desc{font-size:0.78125rem;color:var(--mute);margin-top:2px}
.item .files{margin-top:7px;display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:5px;background:#f3f5f7;border:1px solid var(--line);
  border-radius:5px;padding:4px 10px;font-size:0.71875rem;color:#374151;max-width:15rem}
.chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---- dropzone ---- */
.drop{border:2px dashed #cbd2d9;border-radius:var(--radius);padding:28px 20px;text-align:center;
  color:var(--mute);background:#fbfcfd;transition:.15s;cursor:pointer}
.drop.over{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.drop b{color:var(--ink);display:block;margin-bottom:3px;font-size:0.875rem}
.uplist{margin-top:12px;font-size:0.78125rem}
.uprow{display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px solid #eef0f2}
.uprow .bar{flex:1;height:4px;background:#eef0f2;border-radius:99px;overflow:hidden}
.uprow .bar i{display:block;height:100%;background:var(--accent);width:0}

/* ---- timeline ---- */
.tl{list-style:none;margin:0;padding:0;font-size:0.8125rem}
.tl li{padding:9px 0 9px 16px;border-left:2px solid var(--line);position:relative}
.tl li:before{content:"";position:absolute;left:-5px;top:15px;width:8px;height:8px;border-radius:50%;
  background:#cbd2d9;border:2px solid #fff}
.tl .t{color:var(--mute);font-size:0.71875rem}

/* ---- misc ---- */
.kv{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:0.8125rem}
.kv dt{color:var(--mute);padding-right:8px}
.kv dd{margin:0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:0.75rem}
.tx{white-space:pre-wrap;font-size:0.8125rem;line-height:1.6;max-height:420px;overflow:auto;
  background:#fbfcfd;border:1px solid var(--line);border-radius:6px;padding:14px}
.right{text-align:right}
.nowrap{white-space:nowrap}
.stat{display:flex;gap:22px;flex-wrap:wrap}
.stat div{min-width:6rem}
.stat .n{font-size:1.375rem;font-weight:700;line-height:1.1}
.stat .l{font-size:0.6875rem;color:var(--mute);text-transform:uppercase;letter-spacing:.05em}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.filters input[type=text]{max-width:16rem}
.filters select{width:auto;min-width:8rem}
details.adv{margin-top:10px}
details.adv summary{cursor:pointer;font-size:0.78125rem;color:var(--accent);font-weight:600}
.login-wrap{max-width:24rem;margin:6vh auto}
.login-wrap .panel{padding:36px}
.login-wrap h1{text-align:center;margin-bottom:6px}
.login-wrap .sub{text-align:center;margin-bottom:22px}

/* ---- site footer ---- */
.sitefoot{max-width:1500px;margin:0 auto;padding:22px 20px 40px;
  border-top:1px solid var(--line);color:var(--mute);font-size:0.71875rem;text-align:center}
.login-wrap + .sitefoot,.sitefoot:only-child{border-top:none}

/* ---- phones ---- */
@media(max-width:820px){
  .topbar{height:auto;flex-wrap:wrap;padding:10px 14px;gap:12px}
  .topbar nav{order:3;flex-basis:100%;overflow-x:auto;padding-bottom:2px}
  .userbox{margin-left:auto}
  main{padding:18px 14px 70px}
  .panel{padding:16px}
  .case-head{padding:14px 16px}
  .kv{grid-template-columns:1fr!important;gap:2px 0}
  .kv dd{margin-bottom:8px}
  .panel.tight{overflow-x:auto}
  .stat{gap:14px}
  .login-wrap{margin:4vh auto}
}

/* ---- home and module tiles ---- */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:20px;margin-bottom:20px}
.tile{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;color:inherit;
  transition:border-color .15s,box-shadow .15s,transform .15s}
a.tile:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-2px);
  box-shadow:0 2px 4px rgba(16,24,40,.08),0 12px 28px -14px rgba(31,78,121,.45)}
.tile-mark{font-size:0.6875rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px}
.tile h2{font-size:1.25rem;margin:0 0 10px}
.tile p{margin:0 0 14px;color:var(--mute)}
.tile ul{margin:0 0 18px;padding-left:1.1em;color:var(--mute)}
.tile li{margin-bottom:5px}
.tile-go{margin-top:auto;font-weight:600;color:var(--accent)}
.tile.muted{opacity:.6}
.tile.muted .tile-go{color:var(--mute)}
.note-line{margin-top:10px;padding:10px 12px;border-left:3px solid var(--line);background:#fbfcfd;border-radius:0 6px 6px 0}
.note-line .hint{margin:0}