*{box-sizing:border-box}
:root{
  --bg:#f4f1ea;--card:#fff;--ink:#171a1d;--muted:#6b7280;--gold:#c8a24a;
  --dark:#15191d;--line:#e5e7eb;--danger:#b42318;--danger-bg:#fee4e2;
  --warn:#9a6700;--warn-bg:#fff3cd;--ok:#16794c;--ok-bg:#dff5ea;
  --shadow:0 10px 28px rgba(23,26,29,.08)
}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic",sans-serif;background:var(--bg);color:var(--ink)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:15px max(18px,calc((100vw - 980px)/2));background:rgba(244,241,234,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.05)}
.topbar h1{margin:0;font-size:24px}.eyebrow{margin:0 0 4px;font-size:11px;font-weight:900;letter-spacing:.17em;color:var(--gold)}
.wrap{width:min(980px,100%);margin:auto;padding:20px 18px 100px}
.hero{background:linear-gradient(135deg,#111417,#282d31);color:#fff;border-radius:26px;padding:28px;display:flex;justify-content:space-between;gap:20px;align-items:end;box-shadow:var(--shadow)}
.hero h2{font-size:clamp(28px,5vw,46px);margin:12px 0 8px}.hero p{margin:0;color:#d1d5db;max-width:560px;line-height:1.7}
.pill{display:inline-block;border:1px solid rgba(200,162,74,.55);background:rgba(200,162,74,.12);color:#f1d98d;padding:7px 11px;border-radius:999px;font-size:12px;font-weight:800}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;min-width:310px}
.hero-stats div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:16px;text-align:center}
.hero-stats span{display:block;font-size:28px;font-weight:900}.hero-stats small{color:#cbd5e1}
.tabs{display:flex;gap:8px;margin:18px 0;overflow:auto;padding-bottom:3px}.tab{border:0;background:#fff;border-radius:999px;padding:11px 15px;font-weight:800;white-space:nowrap;color:#59616b}.tab.active{background:var(--dark);color:#fff}
.alert-tab span{background:var(--danger);color:#fff;border-radius:999px;padding:2px 7px;font-size:11px}
.view{display:none}.view.active{display:block}
.card{background:var(--card);border-radius:24px;padding:22px;box-shadow:var(--shadow);margin-bottom:16px}.compact{padding-bottom:10px}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:14px}.section-head h3{margin:0;font-size:23px}
label{display:block;font-weight:800;font-size:14px;margin:14px 0 7px}
input,select,textarea{width:100%;border:1px solid #d4d8de;background:#fff;border-radius:14px;padding:13px 14px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(200,162,74,.14)}
textarea{min-height:90px;resize:vertical}
.stock-preview{margin:12px 0 0;padding:13px 15px;background:#f8fafc;border-radius:14px;display:flex;justify-content:space-between}.stock-preview strong{font-size:20px}
.qty-row{display:grid;grid-template-columns:54px 1fr 54px;gap:8px}.qty-btn{border:0;border-radius:14px;background:#eef1f4;font-size:28px;font-weight:700}
.primary{border:0;background:var(--dark);color:#fff;border-radius:14px;padding:14px 18px;font-weight:900;width:100%;margin-top:18px}.primary.small{width:auto;margin:0;padding:11px 14px}
.ghost{border:1px solid #d0d5dd;background:#fff;border-radius:999px;padding:9px 13px;font-weight:800}
.message{min-height:22px;text-align:center;font-weight:800}.success{color:var(--ok)}.error{color:var(--danger)}.muted{color:var(--muted)}
.toolbar{display:flex;gap:10px;margin-bottom:14px}.toolbar input{flex:1}
.inventory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.inventory-card{background:#fff;border-radius:20px;padding:18px;box-shadow:var(--shadow);border:2px solid transparent}
.inventory-card.low{border-color:#efb4ae}.inventory-card.warn{border-color:#efd38f}
.item-top{display:flex;justify-content:space-between;gap:10px;align-items:start}.item-top h4{margin:0 0 5px;font-size:19px}.category{color:var(--muted);font-size:12px}
.stock-number{font-size:38px;font-weight:900;margin:16px 0 2px}.unit{font-size:14px;color:var(--muted)}
.status{display:inline-flex;border-radius:999px;padding:6px 9px;font-size:11px;font-weight:900}.status.ok{background:var(--ok-bg);color:var(--ok)}.status.warn{background:var(--warn-bg);color:var(--warn)}.status.low{background:var(--danger-bg);color:var(--danger)}
.meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.meta div{background:#f7f8fa;border-radius:12px;padding:10px}.meta small{display:block;color:var(--muted)}.meta strong{font-size:15px}
.card-actions{display:flex;gap:8px;margin-top:14px}.card-actions button{flex:1;border:0;border-radius:12px;padding:10px;font-weight:800}.restock{background:var(--dark);color:#fff}.edit{background:#eef1f4}
.list-row{display:grid;grid-template-columns:1fr auto;gap:14px;padding:15px 0;border-top:1px solid var(--line)}.list-row:first-child{border-top:0}.list-row h4{margin:0 0 5px}.list-row p{margin:0;color:var(--muted);font-size:13px}.order-qty{font-size:20px;font-weight:900;color:var(--danger);text-align:right}
.history-row{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-top:1px solid var(--line)}.history-row:first-child{border-top:0}.history-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:#f0f2f5}.history-row strong{display:block}.history-row small{color:var(--muted)}.minus{color:var(--danger);font-weight:900}.plus{color:var(--ok);font-weight:900}
.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:30;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom));backdrop-filter:blur(12px)}
.bottom-nav button{border:0;background:transparent;color:#6b7280;font-size:19px}.bottom-nav button.active{color:var(--ink);font-weight:900}.bottom-nav span{display:block;font-size:10px;margin-top:2px}
.modal{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.48);display:grid;place-items:center;padding:18px}.hidden{display:none!important}.modal-card{position:relative;width:min(560px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:25px;padding:25px}.close{position:absolute;right:14px;top:12px;border:0;width:38px;height:38px;border-radius:50%;background:#f0f2f4;font-size:23px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form-grid .full{grid-column:1/-1}
.employee-chip{display:inline-flex;background:#eef1f4;padding:8px 10px;border-radius:999px;margin:4px;font-size:13px}
@media(max-width:720px){
  .hero{display:block}.hero-stats{margin-top:22px;min-width:0}.hero-stats div{padding:12px 7px}.hero-stats span{font-size:23px}
  .tabs{display:none}.bottom-nav{display:grid}.inventory-grid{grid-template-columns:1fr}.toolbar{align-items:stretch}.toolbar .small{white-space:nowrap}
}

.header-actions{display:flex;gap:8px;align-items:center}
.category-head{margin:4px 0 14px}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.category-card{
  border:0;background:#fff;border-radius:22px;padding:20px;text-align:left;
  box-shadow:var(--shadow);min-height:138px;position:relative;overflow:hidden
}
.category-card:hover{transform:translateY(-2px)}
.category-icon{font-size:34px;display:block;margin-bottom:14px}
.category-card strong{display:block;font-size:18px;margin-bottom:4px}
.category-card small{color:var(--muted)}
.category-count{
  position:absolute;right:14px;top:14px;background:#f1eee5;color:#6b5416;
  padding:5px 8px;border-radius:999px;font-size:11px;font-weight:900
}
.category-toolbar{align-items:center}
.install-steps{line-height:1.8}
.install-steps li{margin-bottom:10px}
@media(max-width:720px){
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .category-card{min-height:125px;padding:17px}
  .header-actions{gap:6px}
  #installHelp{font-size:12px;padding:8px 10px}
}