:root{
  --bg:#f4f5f7; --surface:#fff; --ink:#1c2430; --muted:#5d6877; --line:#dfe3e8; --line-soft:#eceff2;
  --accent:#1f5f8b; --accent-ink:#fff; --accent-soft:#e6f0f7;
  --ok:#1d7a46; --ok-bg:#e5f4ec; --warn:#8a5a00; --warn-bg:#fdf1d8; --bad:#a32a2a; --bad-bg:#fbe7e7; --info:#2a5b9a; --info-bg:#e6eefa; --mut-bg:#eceff2;
  --side:#18212b; --side-ink:#c9d2dc; --side-active:#26323f; --radius:8px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.5 var(--font);color:var(--ink);background:var(--bg)}
a{color:var(--accent)}
h1{font-size:1.45rem;margin:0 0 .25rem;font-weight:650;letter-spacing:-.01em}
h2{font-size:1.1rem;margin:1.6rem 0 .6rem;font-weight:650}
h3{font-size:.95rem;margin:1rem 0 .4rem}
p{margin:.4rem 0 .9rem}
code,.mono{font-family:var(--mono);font-size:.86em;background:var(--mut-bg);padding:.1em .35em;border-radius:4px;word-break:break-all}
pre.code{background:#101820;color:#d7e2ec;padding:.8rem 1rem;border-radius:var(--radius);overflow:auto;font:13px/1.5 var(--mono);white-space:pre-wrap;word-break:break-all}
.muted{color:var(--muted)} .small{font-size:.86rem} .right{text-align:right} .nowrap{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px} .skip:focus{left:8px;top:8px;background:#fff;padding:.4rem .7rem;z-index:99}

/* shell */
.shell{display:flex;min-height:100vh}
.side{width:240px;background:var(--side);color:var(--side-ink);flex:none;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{padding:1rem 1.1rem;font-weight:700;color:#fff;font-size:1rem;border-bottom:1px solid #2a3643;letter-spacing:.01em}
.brand small{display:block;font-weight:400;color:#8b98a6;font-size:.75rem;margin-top:.1rem}
.nav{padding:.5rem 0;flex:1}
.nav a{display:block;padding:.48rem 1.1rem;color:var(--side-ink);text-decoration:none;font-size:.9rem;border-left:3px solid transparent}
.nav a:hover{background:#202b37;color:#fff}
.nav a[aria-current=page]{background:var(--side-active);color:#fff;border-left-color:#6fb1dd}
.nav .grp{padding:.7rem 1.1rem .2rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#738293}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:none;align-items:center;gap:.7rem;background:var(--side);color:#fff;padding:.6rem .9rem;position:sticky;top:0;z-index:20}
.topbar button{background:transparent;color:#fff;border:1px solid #435263;border-radius:6px;padding:.35rem .6rem;font-size:1rem}
.content{padding:1.4rem 1.6rem 3rem;max-width:1200px;width:100%}
.pagehead{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.pagehead .sub{color:var(--muted);margin:0}
.actions{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}

/* components */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem;margin-bottom:1rem}
.card>h2:first-child,.card>h3:first-child{margin-top:0}
.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:.7rem;margin-bottom:1rem}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:.7rem .85rem}
.stat .n{font-size:1.45rem;font-weight:650;line-height:1.2;font-variant-numeric:tabular-nums}
.stat .l{font-size:.78rem;color:var(--muted)}
.btn{display:inline-block;font:inherit;font-size:.9rem;padding:.42rem .85rem;border-radius:6px;border:1px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;cursor:pointer;line-height:1.35}
.btn:hover{background:#f1f4f7}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)} .btn.primary:hover{background:#184c70}
.btn.danger{background:#fff;border-color:#d9a3a3;color:var(--bad)} .btn.danger:hover{background:var(--bad-bg)}
.btn.sm{padding:.2rem .55rem;font-size:.82rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
:focus-visible{outline:2px solid #3d8fc4;outline-offset:2px}
.badge{display:inline-block;font-size:.76rem;padding:.05rem .5rem;border-radius:99px;font-weight:600;white-space:nowrap}
.badge-ok{background:var(--ok-bg);color:var(--ok)} .badge-warn{background:var(--warn-bg);color:var(--warn)} .badge-bad{background:var(--bad-bg);color:var(--bad)} .badge-info{background:var(--info-bg);color:var(--info)} .badge-muted{background:var(--mut-bg);color:var(--muted)}
.alert{padding:.65rem .9rem;border-radius:var(--radius);margin-bottom:1rem;border:1px solid;font-size:.92rem}
.alert.ok{background:var(--ok-bg);border-color:#b6dfc7;color:#14532d} .alert.warn{background:var(--warn-bg);border-color:#ecd49a;color:#5e3d00} .alert.bad,.alert.error{background:var(--bad-bg);border-color:#e3b3b3;color:#7a1f1f} .alert.info{background:var(--info-bg);border-color:#bcd0ee;color:#1d4272}
.alert ul{margin:.3rem 0 0 1.1rem;padding:0}
.empty{padding:1.6rem 1rem;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius);background:#fafbfc}
.empty strong{display:block;color:var(--ink);margin-bottom:.2rem}

/* forms */
label{display:block;font-weight:600;font-size:.88rem;margin:.75rem 0 .25rem}
label .opt{font-weight:400;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local],input[type=date],input[type=url],input[type=search],select,textarea{width:100%;font:inherit;font-size:.93rem;padding:.45rem .6rem;border:1px solid #c5ccd4;border-radius:6px;background:#fff;color:var(--ink)}
textarea{min-height:110px;resize:vertical;font-family:inherit} textarea.mono{font-family:var(--mono);font-size:.85rem}
.hint{font-size:.82rem;color:var(--muted);margin:.2rem 0 0}
.check{display:flex;gap:.5rem;align-items:flex-start;font-weight:400;margin:.4rem 0} .check input{margin-top:.25rem}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 1rem}
.formactions{margin-top:1.1rem;display:flex;gap:.5rem;flex-wrap:wrap}
.filters{display:flex;gap:.5rem;flex-wrap:wrap;align-items:end;margin-bottom:.8rem}
.filters>div{min-width:140px;flex:1} .filters label{margin-top:0}
fieldset{min-width:0;border:1px solid var(--line);border-radius:var(--radius);padding:.4rem 1rem .9rem;margin:1rem 0}
legend{font-weight:650;padding:0 .4rem;font-size:.92rem}

/* tables */
.tablewrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{text-align:left;padding:.5rem .75rem;border-bottom:1px solid var(--line-soft);vertical-align:top}
th{font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fafbfc;white-space:nowrap}
th a{color:inherit;text-decoration:none} tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafcfe}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.pager{display:flex;gap:.35rem;align-items:center;justify-content:space-between;margin:.7rem 0;flex-wrap:wrap}
.pager .pages{display:flex;gap:.25rem;flex-wrap:wrap}
.pager a,.pager span.cur{padding:.2rem .6rem;border:1px solid var(--line);border-radius:6px;background:#fff;text-decoration:none;font-size:.85rem;color:var(--ink)}
.pager span.cur{background:var(--accent);color:#fff;border-color:var(--accent)}
.kv{display:grid;grid-template-columns:minmax(120px,200px) 1fr;gap:.35rem 1rem;font-size:.92rem} .kv dt{color:var(--muted)} .kv dd{margin:0;word-break:break-word}
.tabs{display:flex;gap:.2rem;border-bottom:1px solid var(--line);margin-bottom:1rem;flex-wrap:wrap}
.tabs a{padding:.45rem .85rem;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;font-size:.92rem;margin-bottom:-1px} .tabs a[aria-current=page]{color:var(--ink);border-bottom-color:var(--accent);font-weight:600}
.msgpreview{background:#e8eef5;border-radius:12px;padding:.7rem .9rem;white-space:pre-wrap;word-wrap:break-word;max-width:460px;font-size:.92rem;border:1px solid #d3dde8}
.msgpreview a{color:#1a62a8}
.btnpreview{display:block;max-width:460px;text-align:center;background:#d3dfec;margin-top:.3rem;padding:.35rem;border-radius:8px;font-size:.88rem;color:#1a4f86}
.steps{display:flex;gap:.3rem;margin:0 0 1.2rem;padding:0;list-style:none;flex-wrap:wrap;counter-reset:s}
.steps li{counter-increment:s;padding:.3rem .7rem;border-radius:99px;background:var(--mut-bg);color:var(--muted);font-size:.82rem}
.steps li::before{content:counter(s) ". "} .steps li.on{background:var(--accent);color:#fff} .steps li.done{background:var(--ok-bg);color:var(--ok)}
.req{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;padding:.55rem 0;border-bottom:1px solid var(--line-soft)} .req:last-child{border-bottom:0}
.req .fix{grid-column:2;font-size:.84rem;color:var(--muted)}

/* toasts / modal */
#toasts{position:fixed;right:1rem;bottom:1rem;display:flex;flex-direction:column;gap:.5rem;z-index:60;max-width:min(380px,calc(100vw - 2rem))}
.toast{padding:.65rem .9rem;border-radius:8px;color:#fff;background:#243241;box-shadow:0 4px 14px rgba(0,0,0,.2);font-size:.9rem;animation:tin .15s ease-out}
.toast.ok{background:#1d6b40} .toast.bad,.toast.error{background:#942626} .toast.warn{background:#7a5200} .toast.info{background:#244f7e}
@keyframes tin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
dialog{border:1px solid var(--line);border-radius:10px;padding:0;max-width:min(460px,calc(100vw - 2rem));box-shadow:0 12px 40px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(15,22,30,.5)}
dialog .dlg{padding:1.1rem 1.2rem} dialog h3{margin-top:0;font-size:1.05rem}
dialog .formactions{justify-content:flex-end}

.login{max-width:400px;margin:8vh auto;padding:0 1rem}
.center-wrap{max-width:760px;margin:3vh auto;padding:0 1rem}

@media(max-width:900px){
  .g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .side{position:fixed;left:0;top:0;bottom:0;z-index:40;transform:translateX(-100%);transition:transform .15s}
  .side.open{transform:none} .topbar{display:flex}
  .content{padding:1rem 1rem 3rem}
  .scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:30;display:none} .scrim.open{display:block}
}
@media(max-width:600px){
  .g2,.g3,.g4{grid-template-columns:1fr} .kv{grid-template-columns:1fr} .kv dt{margin-top:.4rem}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .btn{padding:.55rem .9rem} .btn.sm{padding:.35rem .7rem}
  .filters>div{min-width:100%}
}
@media print{.side,.topbar,.actions,.filters,.pager{display:none!important}.content{padding:0}}