*{box-sizing:border-box;margin:0;padding:0}
:root{
  /* ---- design-v3 token system (oklch); legacy names below alias onto these ---- */
  --n-50:oklch(0.985 0 0);--n-100:oklch(0.970 0 0);--n-200:oklch(0.922 0 0);--n-400:oklch(0.708 0 0);--n-600:oklch(0.439 0 0);--n-800:oklch(0.269 0 0);--n-900:oklch(0.205 0 0);
  --background:var(--n-50);--foreground:oklch(0.205 0 0);--card:oklch(1 0 0);
  --muted-foreground:oklch(0.556 0 0);--subtle-foreground:oklch(0.635 0 0);--border-strong:oklch(0.870 0 0);
  --primary:oklch(0.547 0.108 237);--primary-hover:oklch(0.489 0.104 237);--primary-soft:oklch(0.958 0.022 237);--primary-soft-fg:oklch(0.455 0.098 237);
  --st-ok-bg:oklch(0.960 0.045 155);--st-ok-fg:oklch(0.482 0.120 155);
  --st-low-bg:oklch(0.968 0.045 88);--st-low-fg:oklch(0.505 0.120 75);
  --st-out-bg:oklch(0.962 0.038 25);--st-out-fg:oklch(0.505 0.170 25);
  --st-info-bg:oklch(0.962 0.035 258);--st-info-fg:oklch(0.500 0.150 258);
  --st-cat-bg:oklch(0.962 0.035 300);--st-cat-fg:oklch(0.500 0.150 300);
  --destructive:oklch(0.577 0.212 25.3);--warning:oklch(0.660 0.140 75);--success:oklch(0.552 0.130 155);
  --c-copper:oklch(0.640 0.150 55);--c-elec:oklch(0.600 0.150 258);--c-fit:oklch(0.620 0.130 175);--c-tools:oklch(0.600 0.150 310);--c-cons:oklch(0.610 0.130 130);
  --muted:var(--n-100);--muted-2:oklch(0.955 0 0);--input:oklch(0.922 0 0);--ring:oklch(0.547 0.108 237 / .35);--primary-foreground:oklch(1 0 0);--on-solid:oklch(1 0 0);
  --radius-sm:6px;--radius-xl:16px;
  --shadow-xs:0 1px 2px 0 oklch(0 0 0/.05);--shadow-sm:0 1px 3px 0 oklch(0 0 0/.07),0 1px 2px -1px oklch(0 0 0/.05);--shadow-md:0 4px 10px -2px oklch(0 0 0/.08),0 2px 4px -2px oklch(0 0 0/.05);--shadow-lg:0 12px 28px -8px oklch(0 0 0/.16);--shadow-pop:0 16px 40px -12px oklch(0 0 0/.22);

  /* ---- legacy names — referenced throughout app.js/index.html, DO NOT RENAME. Aliased onto the tokens above. ---- */
  --green:var(--primary);--green-d:var(--primary-hover);--green-l:var(--primary-soft);--green-ll:#F0F8FD;
  --amber:var(--warning);--amber-l:var(--st-low-bg);
  --red:var(--destructive);--red-l:var(--st-out-bg);--red-d:#A32D2D;
  --blue:var(--st-info-fg);--blue-l:var(--st-info-bg);
  --gray-50:#F8F8F6;--gray-100:#F1EFE8;--gray-200:#E0DED7;--gray-400:#B4B2A9;--gray-600:#888780;--gray-800:#444441;--gray-900:#2C2C2A;
  --bg:var(--background);--surface:var(--card);--border:oklch(0.922 0 0);--border-s:var(--border-strong);
  --text:var(--foreground);--text-1:var(--foreground);--text-2:var(--muted-foreground);--text-3:var(--subtle-foreground);
  --sidebar:200px;--header:52px;--radius:8px;--radius-l:12px;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
}
/* Self-hosted to match SR Tracker (localhost:5173) exactly — same file, offline-capable for the PWA. Latin subset only. */
@font-face{font-family:'Geist Variable';font-style:normal;font-display:swap;font-weight:100 900;src:url('fonts/geist-latin-wght-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
body{font-family:'Geist Variable',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;overflow:hidden;height:100vh}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono','Courier New',monospace}

/* ---- LAYOUT ---- */
.app{display:flex;height:100vh}
.sidebar{width:var(--sidebar);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;z-index:10;transition:width .2s ease;overflow:hidden}
.brand{padding:14px 14px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:9px}
.brand-ico{width:30px;height:30px;background:var(--green);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-ico svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:14px;font-weight:600;color:var(--text)}
.brand-tag{font-size:10px;color:var(--text-3);margin-top:-2px}
.nav-group{padding:10px 8px 4px;font-size:10px;color:var(--text-3);text-transform:uppercase;letter-spacing:.09em;font-weight:500}
.nav-item{display:flex;align-items:center;gap:9px;padding:7px 10px;margin:1px 6px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;color:var(--text-2);transition:background .12s,color .12s;user-select:none;font-weight:500;position:relative}
.nav-item:hover{background:var(--muted);color:var(--text)}
.nav-item.active{background:var(--primary-soft);color:var(--primary-soft-fg);font-weight:600}
.nav-item.active::before{content:"";position:absolute;left:-6px;top:6px;bottom:6px;width:2.5px;background:var(--green);border-radius:0 2px 2px 0}
.nav-item svg{width:16px;height:16px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sidebar-footer{margin-top:auto;padding:12px 14px;border-top:1px solid var(--border);font-size:11px;color:var(--text-3)}

/* ---- MAIN ---- */
.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}
.topbar{height:var(--header);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;padding:0 18px;flex-shrink:0}
.topbar-title{font-size:15px;font-weight:600;color:var(--text);flex:1}
.search-box{position:relative}
.search-box svg{position:absolute;left:9px;top:50%;transform:translateY(-50%);width:14px;height:14px;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.search-box input{padding:6px 10px 6px 30px;font-size:13px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--muted);width:220px;color:var(--text);font-family:inherit;transition:border .15s}
.search-box input:focus{outline:none;border-color:var(--green);background:var(--surface)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid var(--border-s);border-radius:var(--radius-sm);font-size:13px;cursor:pointer;background:var(--surface);color:var(--text);transition:background .12s,border-color .12s,box-shadow .12s;white-space:nowrap;font-family:inherit;font-weight:500;box-shadow:var(--shadow-xs)}
.btn:hover{background:var(--muted);border-color:var(--border-s)}
.btn:active{transform:scale(.985)}
.btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn.primary{background:var(--green);color:#fff;border-color:var(--green-d)}
.btn.primary:hover{background:var(--green-d)}
.btn.danger{background:var(--red);color:#fff;border-color:var(--red-d)}
.btn.danger:hover{background:var(--red-d)}
.btn.sm{padding:4px 10px;font-size:12px}
.btn.xs{padding:3px 8px;font-size:11px}
.content{flex:1;overflow-y:auto;padding:20px}

/* ---- PAGES ---- */
.page{display:none}
.page.active{display:block}

/* ---- STATS ---- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:14px 16px;box-shadow:var(--shadow-xs);transition:border-color .15s,box-shadow .15s}
.stat.clickable:hover{border-color:var(--border-s);box-shadow:var(--shadow-sm)}
.stat-label{font-size:11px;color:var(--text-3);font-weight:500;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.stat-val{font-size:24px;font-weight:600;color:var(--text);line-height:1}
.stat-sub{font-size:11px;color:var(--text-3);margin-top:4px}
.stat.warn .stat-val{color:var(--amber)}
.stat.danger .stat-val{color:var(--red)}

/* ---- CARDS ---- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-xs)}
.card-header{padding:13px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
#page-inventory .card{overflow:visible}
#page-inventory .card-header{position:sticky;top:-20px;padding-top:20px;background:var(--surface);z-index:5;border-radius:var(--radius-l) var(--radius-l) 0 0}
#inv-table-wrap{border-radius:0 0 var(--radius-l) var(--radius-l)}
.card-title{font-size:13px;font-weight:600;flex:1;color:var(--text)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.three-col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.cat-layout{display:grid;grid-template-columns:340px 1fr;gap:16px;align-items:start}

/* ---- TABS (segmented control — saved views, replaces .filt pill row) ---- */
.tabs{display:inline-flex;gap:2px;padding:3px;background:var(--muted);border-radius:var(--radius);flex-wrap:wrap}
.tab{height:28px;padding:0 12px;border:none;border-radius:var(--radius-sm);background:transparent;font-size:12px;font-weight:500;color:var(--text-2);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .15s,color .15s,box-shadow .15s;font-family:inherit;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.active{background:var(--surface);color:var(--text);font-weight:600;box-shadow:var(--shadow-xs)}
.tab .tab-count{font-size:10px;color:var(--text-3)}
.tab.active .tab-count{color:var(--text-3)}

/* ---- ALERT BANNER (offline notice, warnings) ---- */
.alert{display:flex;gap:10px;padding:11px 14px;border-radius:var(--radius);border:1px solid;font-size:13px;align-items:flex-start}
.alert b{font-weight:650}
.alert-warn{background:var(--amber-l);border-color:var(--amber);color:var(--text)}
.alert-info{background:var(--primary-soft);border-color:var(--green);color:var(--text)}

/* ---- BULK ACTION BAR (floats above content, shown only when rows are selected) ---- */
.bulk-bar{position:sticky;bottom:16px;z-index:30;margin:14px auto 0;max-width:640px;display:flex;align-items:center;gap:8px;padding:8px 10px 8px 15px;background:var(--gray-900);color:#fff;border-radius:var(--radius-l);box-shadow:var(--shadow-lg);font-size:12px}
.bulk-bar .bulk-count{font-weight:600;white-space:nowrap}
.bulk-bar .btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff}
.bulk-bar .btn:hover{background:rgba(255,255,255,.18)}
.bulk-bar .btn.danger{background:var(--red);border-color:var(--red-d);color:#fff}
.bulk-bar .btn.danger:hover{background:var(--red-d)}

/* ---- LIST ROWS (dashboard reorder queue / activity feed) ---- */
.row{display:flex;align-items:center;gap:14px;padding:11px 16px;border-bottom:1px solid var(--border);transition:background .12s}
.row:last-child{border-bottom:none}
.row:hover{background:var(--muted)}
.row-main{min-width:0;flex:1}
.row-t{font-size:13px;font-weight:500;color:var(--text)}
.row-s{font-size:11px;color:var(--text-3);margin-top:1px}
.ratio{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono','Courier New',monospace;font-size:13px;font-weight:600;white-space:nowrap;min-width:70px;text-align:right;flex-shrink:0;color:var(--text)}
.ratio.out{color:var(--red)}
.ratio.low{color:var(--amber)}
.figure{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono','Courier New',monospace;font-size:12px;white-space:nowrap;color:var(--text-2);text-align:right}

/* ---- CATEGORY / TYPE CARD GRID ---- */
.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px}
.cat-card{border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.cat-card-info{min-width:0}
.cat-card-stats{display:flex;align-items:center;gap:14px;flex-shrink:0}
.cat-card-stat{font-size:12px;color:var(--text-2);white-space:nowrap}

/* ---- TABLE ---- */
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:9px 13px;font-size:11px;font-weight:600;color:var(--text-3);border-bottom:1px solid var(--border);text-transform:uppercase;letter-spacing:.07em;white-space:nowrap}
td{padding:9px 13px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--muted)}
.act-col{display:flex;gap:4px;align-items:center;flex-wrap:nowrap}
.act-col .btn.xs{padding:4px 10px;font-size:11px;border-radius:var(--radius-sm);font-weight:600;gap:4px;border:none;opacity:.55;transition:opacity .12s,background .15s,color .15s}
tr:hover .act-col .btn.xs,tr:focus-within .act-col .btn.xs{opacity:1}
.act-col .act-icon{font-size:12px;line-height:1}
.act-col .act-lbl{font-size:10.5px;letter-spacing:.02em}
.act-adjust{background:var(--primary-soft);color:var(--primary-soft-fg)}
.act-adjust:hover{filter:brightness(.94)}
.act-history{background:var(--st-cat-bg);color:var(--st-cat-fg)}
.act-history:hover{filter:brightness(.94)}
.act-edit{background:var(--st-low-bg);color:var(--st-low-fg)}
.act-edit:hover{filter:brightness(.94)}
.act-delete{background:var(--st-out-bg);color:var(--st-out-fg)}
.act-delete:hover{filter:brightness(.94)}

/* ---- BADGES ---- */
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}
.badge.ok{background:var(--st-ok-bg);color:var(--st-ok-fg)}
.badge.low{background:var(--st-low-bg);color:var(--st-low-fg)}
.badge.out{background:var(--st-out-bg);color:var(--st-out-fg)}
.badge.cat{background:var(--st-cat-bg);color:var(--st-cat-fg)}
.badge.blue{background:var(--st-info-bg);color:var(--st-info-fg)}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.dot.ok{background:var(--st-ok-fg)}
.dot.low{background:var(--st-low-fg)}
.dot.out{background:var(--st-out-fg)}

/* ---- FILTERS ---- */
.filter-bar{display:flex;gap:6px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.inv-search-wrap{position:relative;flex:1;min-width:180px;max-width:280px}
.inv-search-wrap svg{position:absolute;left:9px;top:50%;transform:translateY(-50%);width:13px;height:13px;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;pointer-events:none}
.inv-search-wrap input{width:100%;padding:5px 10px 5px 28px;font-size:12px;border:1px solid var(--border);border-radius:20px;background:var(--surface);color:var(--text);font-family:inherit;transition:border .12s}
.inv-search-wrap input:focus{outline:none;border-color:var(--green);background:var(--surface)}
.inv-search-wrap .clear-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);cursor:pointer;font-size:12px;color:var(--text-3);display:none}
.inv-search-wrap input:not(:placeholder-shown) ~ .clear-btn{display:block}
.filt-select{padding:4px 10px;border:1px solid var(--border);border-radius:20px;font-size:12px;cursor:pointer;background:var(--surface);color:var(--text-2);font-family:inherit;font-weight:500;transition:all .12s;appearance:none;padding-right:22px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center}
.filt-select.active-filter{border-color:var(--green);color:var(--primary-soft-fg);background-color:var(--primary-soft)}
.filter-divider{width:1px;height:20px;background:var(--border);margin:0 2px}
.active-filters{display:flex;gap:5px;flex-wrap:wrap;align-items:center}
.active-tag{display:inline-flex;align-items:center;gap:5px;padding:2px 8px 2px 10px;background:var(--primary-soft);color:var(--primary-soft-fg);border-radius:20px;font-size:11px;font-weight:500}
.active-tag button{background:none;border:none;cursor:pointer;color:var(--primary-soft-fg);font-size:13px;line-height:1;padding:0;margin-left:2px}
.filt{padding:4px 12px;border:1px solid var(--border);border-radius:20px;font-size:12px;cursor:pointer;background:var(--surface);color:var(--text-2);transition:all .12s;font-family:inherit;font-weight:500}
.filt:hover{background:var(--muted)}
.filt.active{background:var(--green);color:#fff;border-color:var(--green-d)}

/* ---- MODAL ---- */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.overlay.open{display:flex}
.modal{background:var(--surface);border-radius:var(--radius-xl);border:1px solid var(--border);width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-pop)}
.modal.wide{width:700px}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;position:sticky;top:0;background:var(--surface);z-index:1}
.modal-head h3{font-size:15px;font-weight:600;flex:1}
.modal-body{padding:20px}
.modal-foot{padding:12px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;position:sticky;bottom:0;background:var(--surface)}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:12px;color:var(--text-2);font-weight:500;margin-bottom:5px}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:7px 10px;border:1px solid var(--border-s);border-radius:var(--radius-sm);font-size:13px;background:var(--surface);color:var(--text);font-family:inherit;transition:border .12s}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--ring)}
.form-row textarea{resize:vertical;min-height:60px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}

/* ---- ACTIVITY ---- */
.act-item{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.act-item:last-child{border-bottom:none}
.act-dot{width:8px;height:8px;border-radius:50%;margin-top:5px;flex-shrink:0}
.act-dot.green{background:var(--green)}
.act-dot.amber{background:var(--amber)}
.act-dot.red{background:var(--red)}
.act-dot.blue{background:var(--blue)}
.act-dot.gray{background:var(--gray-400)}
.act-msg{font-size:13px;flex:1;color:var(--text)}
.act-time{font-size:11px;color:var(--text-3);white-space:nowrap;margin-top:1px}

/* ---- STOCK HISTORY ---- */
.hist-table{font-size:12px}
.hist-table th{font-size:10px}
.delta-pos{color:var(--green);font-weight:600}
.delta-neg{color:var(--red);font-weight:600}

/* ---- PRINT PREVIEW ---- */
.label-preview-wrap{border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;background:var(--muted);margin-top:10px;min-height:80px;display:flex;align-items:center;justify-content:center}
.print-checklist{max-height:360px;overflow-y:auto;border:1px solid var(--border-s);border-radius:var(--radius-sm);margin:0 14px 10px}
.print-chip{display:inline-flex;align-items:center;gap:3px;padding:3px 6px 3px 10px;background:var(--green-l);color:var(--text);border-radius:20px;font-size:12px;font-weight:500;line-height:1.3}
.print-chip button{background:none;border:none;cursor:pointer;padding:0 1px;line-height:1;color:var(--text-3);font-size:16px;font-weight:300}
.print-chip button:hover{color:var(--text)}
.radio-row{display:flex;gap:16px;margin-top:5px}
.radio-row label{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer;color:var(--text)}
input[type=radio]{accent-color:var(--green)}
input[type=checkbox]{accent-color:var(--green);width:14px;height:14px}

/* ---- CSV / IMPORT ---- */
.drop-zone{border:2px dashed var(--border-s);border-radius:var(--radius-sm);padding:32px;text-align:center;color:var(--text-3);cursor:pointer;transition:all .15s}
.drop-zone:hover,.drop-zone.drag{border-color:var(--green);background:var(--green-ll);color:var(--primary-soft-fg)}
.drop-zone svg{width:32px;height:32px;margin:0 auto 10px;display:block;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* ---- TOAST ---- */
.toast-wrap{position:fixed;bottom:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{padding:10px 16px;background:var(--gray-900);color:#fff;border-radius:999px;font-size:13px;box-shadow:var(--shadow-lg);animation:slideIn .2s ease;display:flex;align-items:center;gap:8px;max-width:320px}
.toast.success{background:var(--green-d)}
.toast.error{background:var(--red-d)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ---- SUPPLIER ---- */
.supplier-tag{font-size:11px;color:var(--text-3);display:flex;align-items:center;gap:4px}

/* ---- EMPTY STATE ---- */
.empty{text-align:center;padding:40px;color:var(--text-3)}
.empty svg{width:40px;height:40px;margin:0 auto 12px;display:block;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--gray-200);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}

/* ---- SIDEBAR TOGGLE & RESPONSIVE ---- */
.sidebar.collapsed{width:0}
.sidebar-toggle{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;border-radius:var(--radius-sm);color:var(--text-2);flex-shrink:0;transition:background .12s;padding:0}
.sidebar-toggle:hover{background:var(--muted)}
.sidebar-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:9}
.sidebar-overlay.open{display:block}
@media(max-width:768px){
  /* Switch from content-scroll to body-scroll so mobile browser chrome never clips content */
  body{height:auto;min-height:100vh;overflow-x:hidden;overflow-y:auto}
  .app{height:auto;min-height:100vh}
  .main{overflow:visible}
  .content{overflow-y:visible;padding:14px 14px 80px}
  .topbar{position:sticky;top:0;z-index:90;background:var(--surface);padding:0 12px;gap:6px}
  .sidebar{position:fixed;top:0;left:0;height:100%;height:100dvh;z-index:100;transform:translateX(-100%);width:var(--sidebar)!important;transition:transform .2s ease;overflow-y:auto}
  .sidebar.open{transform:translateX(0)}
  .sidebar.collapsed{transform:translateX(-100%);width:var(--sidebar)!important}
  .stats-grid{grid-template-columns:1fr 1fr}
  .two-col,.three-col{grid-template-columns:1fr}
  .cat-layout{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .search-box{display:none}
  .topbar .btn-label{display:none}
  .topbar .btn{padding:7px 9px}
  #sync-label{display:none}
  .modal{width:calc(100vw - 32px)}
  .modal.wide{width:calc(100vw - 32px)}
  .form-grid,.form-3{grid-template-columns:1fr}
  .act-col .act-lbl{display:none}
  .act-col .btn.xs{padding:5px 7px;opacity:1}
  .bulk-bar{left:14px;right:14px;margin-left:0;margin-right:0;max-width:none}
}

/* ---- ITEM HISTORY MOBILE ---- */
.ih-mobile-back{display:none;margin-bottom:12px;}
@media(max-width:768px){
  .ih-layout{flex-direction:column;}
  .ih-list-panel{width:100%!important;position:static!important;max-height:none!important;}
  .ih-detail-panel{width:100%;}
  .ih-mobile-back{display:inline-flex;}
}

/* ---- SCAN PAGE ---- */
.scan-mode-btn{display:flex;align-items:center;gap:16px;padding:20px 22px;border-radius:14px;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:transform .1s,box-shadow .1s;text-align:left;width:100%}
.scan-mode-btn:active{transform:scale(.97)}
.scan-mode-out{background:var(--st-out-bg);color:var(--st-out-fg);border-color:color-mix(in oklab,var(--red) 28%,transparent)}
.scan-mode-in{background:var(--st-ok-bg);color:var(--st-ok-fg);border-color:color-mix(in oklab,var(--st-ok-fg) 28%,transparent)}
.scan-mode-manual{background:var(--muted);color:var(--text);border-color:var(--border)}
.scan-mode-icon{font-size:30px;flex-shrink:0;width:38px;text-align:center;line-height:1}
.scan-mode-label{font-size:17px;font-weight:700;line-height:1.2}
.scan-mode-sub{font-size:12px;opacity:.65;margin-top:2px}
#scan-step-header{position:sticky;top:-20px;padding-top:20px;background:var(--surface);z-index:5;padding-bottom:12px;border-bottom:1px solid var(--border-s);margin-bottom:4px}
.dash-table-wrap{max-height:280px;overflow-y:auto}
.dash-table-wrap thead th{position:sticky;top:0;background:var(--surface);z-index:1}
@media(max-width:768px){
  #scan-step-scan,#scan-step-review{padding-bottom:20px}
  #scan-step-header{top:var(--header);padding-top:10px}
  #page-inventory .card-header{top:var(--header);padding-top:10px}
  .dash-table-wrap{max-height:220px}
}

/* ---- PRINT STYLES ---- */
@media print{
  body{overflow:auto}
  .app{display:block;height:auto}
  .sidebar,.topbar,.no-print{display:none!important}
  .main{display:block}
  .content{overflow:visible;padding:0}
  .page.active{display:block}
  .print-sheet{display:flex;flex-wrap:wrap;gap:6px;padding:10px}
  .label-item{break-inside:avoid;page-break-inside:avoid}
}
/* ---- TECHNICIANS ---- */
.tech-layout{display:flex;gap:16px;min-height:400px}
.tech-list-panel{width:240px;flex-shrink:0}
.tech-detail-panel{flex:1;min-width:0}
.tech-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px;margin-bottom:7px;cursor:pointer;transition:border-color .12s,background .12s,box-shadow .12s;user-select:none}
.tech-card:hover{border-color:var(--green);background:var(--green-ll)}
.tech-card.active{border-color:var(--green);background:var(--green-ll);box-shadow:0 0 0 2px var(--green-l)}
.tech-mobile-back{display:none;margin-bottom:12px}
@media(max-width:768px){
  .tech-layout{flex-direction:column;gap:0}
  .tech-list-panel{width:100%}
  .tech-mobile-back{display:inline-flex}
}

/* ---- DELIVERY RECEIPTS ---- */
.dr-items-table{width:100%;border-collapse:collapse;font-size:12px}
.dr-items-table th{background:var(--gray-100);font-size:11px;font-weight:600;padding:7px 6px;text-align:left;border:1px solid var(--border-s);white-space:nowrap}
.dr-items-table td{border:1px solid var(--border);padding:2px}
.dr-items-table .dr-cell{width:100%;border:none;outline:none;font-size:12px;font-family:inherit;background:transparent;padding:4px 5px;min-width:0}
.dr-items-table textarea.dr-cell{resize:vertical;height:44px;display:block}
.dr-items-table input[type=number].dr-cell{text-align:center}

/* ---- DARK MODE ---- */
html.dark {
  color-scheme: dark;
  /* redefine the canonical tokens only — the legacy aliases in :root cascade through automatically */
  --background:oklch(0.145 0 0);--foreground:oklch(0.960 0 0);--card:oklch(0.196 0 0);
  --muted-foreground:oklch(0.700 0 0);--subtle-foreground:oklch(0.610 0 0);--border-strong:oklch(0.360 0 0);
  --primary:oklch(0.700 0.105 237);--primary-hover:oklch(0.750 0.105 237);--primary-soft:oklch(0.292 0.048 237);--primary-soft-fg:oklch(0.850 0.062 237);
  --st-ok-bg:oklch(0.290 0.055 155);--st-ok-fg:oklch(0.840 0.110 158);
  --st-low-bg:oklch(0.300 0.055 82);--st-low-fg:oklch(0.850 0.110 88);
  --st-out-bg:oklch(0.300 0.070 25);--st-out-fg:oklch(0.840 0.110 25);
  --st-info-bg:oklch(0.290 0.055 258);--st-info-fg:oklch(0.840 0.090 258);
  --st-cat-bg:oklch(0.295 0.055 300);--st-cat-fg:oklch(0.850 0.090 300);
  --destructive:oklch(0.660 0.190 25.3);--warning:oklch(0.780 0.130 80);--success:oklch(0.680 0.130 158);
  --c-copper:oklch(0.730 0.130 60);--c-elec:oklch(0.680 0.130 258);--c-fit:oklch(0.700 0.110 175);--c-tools:oklch(0.690 0.130 310);--c-cons:oklch(0.700 0.110 130);
  --muted:oklch(0.248 0 0);--muted-2:oklch(0.276 0 0);--input:oklch(0.320 0 0);--ring:oklch(0.700 0.105 237 / .45);--primary-foreground:oklch(0.145 0 0);
  --shadow-xs:0 1px 2px 0 oklch(0 0 0/.35);--shadow-sm:0 1px 3px 0 oklch(0 0 0/.45);--shadow-md:0 4px 12px -2px oklch(0 0 0/.55);--shadow-lg:0 14px 32px -10px oklch(0 0 0/.65);--shadow-pop:0 20px 48px -14px oklch(0 0 0/.75);

  /* not aliased — kept as direct dark overrides same as before */
  --green-ll:#142c3d;
  --gray-50:#1e1e1e;--gray-100:#272727;--gray-200:#333333;--gray-400:#555553;--gray-600:#888780;--gray-800:#b8b8b5;--gray-900:#e4e4e1;
  --border:oklch(0.288 0 0);
  --shadow:0 1px 4px rgba(0,0,0,.5),0 1px 2px rgba(0,0,0,.4);
}
html.theme-switching *{transition:background-color .2s,border-color .2s,color .2s !important}
/* Inputs */
html.dark .search-box input:focus,html.dark .inv-search-wrap input:focus{background:var(--gray-50)}
html.dark select option{background:var(--surface);color:var(--text)}
/* Filt-select arrow (raw SVG data-URI, can't be var()-ized) */
html.dark .filt-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23777' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E")}
/* Dark toggle button */
#dark-toggle{padding:7px 8px}

/* ---- UTILITIES ---- */
.u-flex { display: flex; }
.u-flex-col { display: flex; flex-direction: column; }
.u-gap-4 { gap: 4px; }
.u-gap-6 { gap: 6px; }
.u-gap-8 { gap: 8px; }
.u-gap-10 { gap: 10px; }
.u-gap-12 { gap: 12px; }
.u-gap-16 { gap: 16px; }
.u-align-center { align-items: center; }
.u-justify-end { justify-content: flex-end; }
.u-flex-1 { flex: 1; }
.u-nowrap { white-space: nowrap; }
.u-text-center { text-align: center; }
.u-text-right { text-align: right; }
.u-text-hint { font-size: 12px; color: var(--text-3); }
.u-text-sm { font-size: 13px; }
.u-text-xs { font-size: 11px; }
.u-bold { font-weight: 600; }
.u-hidden { display: none; }
.u-mt-4 { margin-top: 4px; }
.u-mt-8 { margin-top: 8px; }
.u-mt-12 { margin-top: 12px; }
.u-mb-8 { margin-bottom: 8px; }
.u-mb-12 { margin-bottom: 12px; }
.u-mb-16 { margin-bottom: 16px; }
.u-w-full { width: 100%; }
.u-muted { color: var(--text-3); }
.u-danger { color: var(--red); }
.u-success { color: var(--green); }