:root{
  --bg:#0f1720; --panel:#161f2b; --panel2:#1d2836; --line:#27313f;
  --ink:#e8edf3; --muted:#93a1b3; --faint:#64748b;
  --brand:#1f9d6b; --brand-ink:#0b3b2a; --brand-soft:#12332a;
  --accent:#3b82f6; --danger:#ef4444; --warn:#f59e0b; --ok:#22c55e;
  --radius:14px; --shadow:0 10px 30px rgba(0,0,0,.35);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
.hidden{display:none !important}

/* ---------- buttons ---------- */
.btn{border:1px solid var(--line);background:var(--panel2);color:var(--ink);padding:9px 14px;border-radius:10px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:7px;transition:.15s}
.btn:hover{border-color:#3a4a5e;background:#233042}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#04180f}
.btn.primary:hover{background:#25b57c}
.btn.ghost{background:transparent}
.btn.danger{color:#fff;background:var(--danger);border-color:var(--danger)}
.btn.danger:hover{background:#dc2626}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:8px}
.btn.icon{padding:6px 9px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1200px 600px at 50% -10%, #17342a 0%, var(--bg) 55%)}
.login-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:34px 30px;box-shadow:var(--shadow)}
.brand-badge{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#0e7a52);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;color:#fff;margin-bottom:16px}
.login-card h1{font-size:20px;margin:0 0 4px}
.login-card p.sub{color:var(--muted);margin:0 0 22px;font-size:14px}
label.fld{display:block;margin-bottom:14px}
label.fld span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:600;letter-spacing:.02em}
.input{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--ink);padding:11px 12px;border-radius:10px;font-size:15px;outline:none;transition:.15s}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,157,107,.18)}
textarea.input{resize:vertical;min-height:64px}
.err{background:#3a1618;border:1px solid #5b2225;color:#ffb4b4;padding:9px 12px;border-radius:9px;font-size:13.5px;margin-bottom:14px}
.hint{color:var(--faint);font-size:12.5px;margin-top:8px}

/* ---------- app shell ---------- */
header.top{position:sticky;top:0;z-index:40;background:rgba(15,23,32,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-inner{max-width:1240px;margin:0 auto;padding:11px 20px;display:flex;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;white-space:nowrap}
.logo .badge{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#0e7a52);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px}
.search{flex:1;max-width:440px;position:relative}
.search input{width:100%;padding:9px 12px 9px 34px;background:var(--panel2);border:1px solid var(--line);border-radius:10px;color:var(--ink);outline:none}
.search input:focus{border-color:var(--brand)}
.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);opacity:.5}
nav.tabs{display:flex;gap:4px;margin-left:auto}
nav.tabs button{background:transparent;border:none;color:var(--muted);padding:8px 12px;border-radius:9px;font-weight:600;font-size:14px}
nav.tabs button:hover{color:var(--ink);background:var(--panel2)}
nav.tabs button.active{color:var(--ink);background:var(--brand-soft)}
.usermenu{display:flex;align-items:center;gap:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--panel2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:var(--brand)}
.role-chip{font-size:11px;padding:2px 7px;border-radius:20px;background:var(--brand-soft);color:#5fe0a8;font-weight:700;text-transform:uppercase;letter-spacing:.04em}

main{max-width:1240px;margin:0 auto;padding:22px 20px 60px}
.view-title{font-size:22px;font-weight:800;margin:0 0 2px}
.view-sub{color:var(--muted);margin:0 0 18px;font-size:14px}

/* ---------- KPI tiles ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:15px 16px}
.kpi .n{font-size:26px;font-weight:800;letter-spacing:-.02em}
.kpi .l{color:var(--muted);font-size:12.5px;font-weight:600;margin-top:2px}
.kpi.warn .n{color:var(--warn)}
.kpi.danger .n{color:var(--danger)}

/* ---------- toolbar / chips ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.chip{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:6px 13px;border-radius:20px;font-size:13px;font-weight:600}
.chip:hover{color:var(--ink)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#04180f}
.chip .c{opacity:.7;margin-left:5px;font-weight:700}
.spacer{flex:1}

.dropdown{position:relative;display:inline-block}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);min-width:220px;padding:6px;z-index:50}
.dropdown-menu button{display:flex;width:100%;text-align:left;background:transparent;border:none;color:var(--ink);padding:9px 11px;border-radius:8px;font-size:14px;gap:9px;align-items:center}
.dropdown-menu button:hover{background:var(--panel2)}

/* ---------- item grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:9px;transition:.15s}
.card:hover{border-color:#33465b}
.card .head{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.card .name{font-weight:700;font-size:15.5px;line-height:1.25}
.card .variant{color:var(--muted);font-size:13px;margin-top:1px}
.card .cat-tag{font-size:10.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.stockrow{display:flex;align-items:center;gap:8px;margin-top:2px}
.stock-num{font-size:24px;font-weight:800;min-width:38px}
.stock-unit{color:var(--muted);font-size:12.5px}
.stepper{display:flex;gap:5px;margin-left:auto}
.stepper button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);color:var(--ink);font-size:17px;font-weight:700;line-height:1;display:flex;align-items:center;justify-content:center}
.stepper button:hover{background:#243244;border-color:#3a4a5e}
.badge-status{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:20px;white-space:nowrap}
.st-ok{background:rgba(34,197,94,.14);color:#5fe0a8}
.st-low{background:rgba(239,68,68,.15);color:#ff9d9d}
.st-none{background:var(--panel2);color:var(--muted)}
.card .meta{font-size:12px;color:var(--faint);display:flex;flex-wrap:wrap;gap:4px 10px}
.card .actions{display:flex;gap:6px;margin-top:2px;border-top:1px solid var(--line);padding-top:9px}
.card .actions .btn{flex:1;justify-content:center}
.card.low{border-color:rgba(239,68,68,.4)}
.card .notes{font-size:12.5px;color:var(--muted);background:var(--panel2);border-radius:8px;padding:6px 9px}
.empty{text-align:center;color:var(--muted);padding:60px 20px}

/* ---------- table (users/logs) ---------- */
table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
th{background:var(--panel2);color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:700}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(255,255,255,.015)}
.tag{font-size:11px;padding:2px 8px;border-radius:20px;font-weight:700}
.tag.admin{background:rgba(59,130,246,.16);color:#8fb8ff}
.tag.user{background:var(--panel2);color:var(--muted)}
.tag.on{background:rgba(34,197,94,.14);color:#5fe0a8}
.tag.off{background:rgba(239,68,68,.14);color:#ff9d9d}
.mono{font-variant-numeric:tabular-nums;color:var(--faint);font-size:12.5px;white-space:nowrap}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:22px}
.timeline::before{content:"";position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 16px 8px}
.tl-item::before{content:"";position:absolute;left:-20px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--brand);border:2px solid var(--bg)}
.tl-item.login::before{background:var(--accent)}
.tl-item.deleted::before,.tl-item.user_removed::before{background:var(--danger)}
.tl-item.export::before,.tl-item.export_download::before{background:var(--warn)}
.tl-when{font-size:12px;color:var(--faint)}
.tl-text{font-size:14px;margin-top:1px}
.tl-text b{color:var(--ink)}

/* ---------- modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(4,8,12,.6);backdrop-filter:blur(3px);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.modal{width:100%;max-width:520px;background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px 22px 20px}
.modal h2{margin:0 0 3px;font-size:19px}
.modal .msub{color:var(--muted);font-size:13.5px;margin:0 0 18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.close-x{float:right;background:transparent;border:none;color:var(--muted);font-size:22px;line-height:1;margin:-6px -6px 0 0}

/* ---------- toast ---------- */
#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--panel2);border:1px solid var(--line);color:var(--ink);padding:12px 18px;border-radius:12px;box-shadow:var(--shadow);z-index:200;transition:.25s;font-weight:600;max-width:90vw}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.ok{border-color:var(--brand)}
#toast.bad{border-color:var(--danger)}

.settings-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;max-width:620px}
.settings-card h3{margin:0 0 4px;font-size:16px}
.switch{display:flex;align-items:center;gap:10px}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

@media(max-width:720px){
  .top-inner{flex-wrap:wrap}
  .search{order:3;max-width:none;flex-basis:100%}
  nav.tabs{margin-left:0;flex:1;overflow-x:auto}
  .form-grid{grid-template-columns:1fr}
}