:root{
  --ink:#171717; --paper:#f6f5f1; --card:#fff; --line:#e5e1d7;
  --muted:#736e64; --brand:#f4c430; --green:#1f9254; --red:#c0392b;
  --amber:#b26b00; --blue:#2c6bb0; --sidebar:244px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--paper);color:var(--ink)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small{font-size:12px}
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:min(460px,100%);background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 18px 60px rgba(20,18,14,.08)}
.brand-mark{font-weight:900;letter-spacing:.02em;font-size:24px}.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}
.stack{display:flex;flex-direction:column;gap:10px;margin-top:20px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fff;color:var(--ink)}
textarea{min-height:92px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:700}
.btn.primary{background:var(--ink);color:#fff}.btn.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}.small-btn{padding:7px 10px;font-size:12px}
.msg{font-size:13px;margin-top:12px}.msg.error{color:var(--red)}.msg.ok{color:var(--green)}
.app-shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;background:var(--card);border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column}
.brand-block{padding:4px 10px 18px}.sidebar nav{display:flex;flex-direction:column;gap:3px}
.nav-btn{border:0;background:transparent;text-align:left;padding:11px 12px;border-radius:10px;color:var(--muted);font-weight:650}
.nav-btn:hover{background:var(--paper);color:var(--ink)}.nav-btn.active{background:#fff3c8;color:var(--ink)}
.side-footer{margin-top:auto;border-top:1px solid var(--line);padding:14px 10px 0;display:flex;flex-direction:column;gap:8px}
.main{min-width:0;padding:24px 28px 60px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}
.topbar h1{margin:0;font-size:30px;letter-spacing:-.03em}.topbar p{margin:5px 0 0}.top-actions{display:flex;gap:8px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:16px;box-shadow:0 1px 2px rgba(20,18,14,.03)}
.kpi .value{font-size:28px;font-weight:900;letter-spacing:-.04em}.kpi .label{font-size:13px;color:var(--muted);margin-top:3px}
.kpi.red .value{color:var(--red)}.kpi.green .value{color:var(--green)}.kpi.amber .value{color:var(--amber)}.kpi.blue .value{color:var(--blue)}
.section{margin-top:18px}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.section-head h2{font-size:16px;margin:0}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#fbfaf7}tr:last-child td{border-bottom:0}.row-link{cursor:pointer}.row-link:hover{background:#fffdf6}
.chip{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;background:var(--paper);font-size:11px;font-weight:800;color:var(--muted)}.chip.green{background:#e3f2e9;color:var(--green)}.chip.red{background:#fbe9e7;color:var(--red)}.chip.amber{background:#fdf3e0;color:var(--amber)}.chip.blue{background:#e5eef8;color:var(--blue)}
.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}.list{display:flex;flex-direction:column}.list-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.list-row:last-child{border-bottom:0}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.4);display:grid;place-items:center;padding:22px;z-index:100}.modal-card{width:min(760px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:18px;padding:20px;border:1px solid var(--line);box-shadow:0 28px 80px rgba(0,0,0,.2)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.modal-head h2{margin:0}.icon-btn{border:0;background:transparent;font-size:28px;line-height:1}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form-grid .full{grid-column:1/-1}.field label{display:block;font-size:12px;color:var(--muted);font-weight:700;margin-bottom:5px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.empty{padding:24px;text-align:center;color:var(--muted)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:700}.tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.sidebar nav{flex-direction:row;overflow:auto}.nav-btn{white-space:nowrap}.side-footer{display:none}.main{padding:18px}.two-col{grid-template-columns:1fr}}
@media(max-width:650px){.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.topbar{flex-direction:column}.top-actions{width:100%}.top-actions .btn{flex:1}}