/* ── RESET & TOKENS ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:   #2563EB;
  --blue-l: #EFF6FF;
  --blue-h: #1D4ED8;
  --green:  #16A34A;
  --green-l:#F0FDF4;
  --red:    #DC2626;
  --red-l:  #FEF2F2;
  --orange: #EA580C;
  --purple: #7C3AED;
  --gray-0: #FFFFFF;
  --gray-1: #F9FAFB;
  --gray-2: #F3F4F6;
  --gray-3: #E5E7EB;
  --gray-4: #D1D5DB;
  --gray-5: #9CA3AF;
  --gray-6: #6B7280;
  --gray-7: #374151;
  --gray-8: #1F2937;
  --gray-9: #111827;
  --sidebar-w: 248px;
  --topbar-h:  52px;
  --radius:    8px;
  --radius-sm: 5px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow:    0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --tr: .15s ease;
}

html, body { height: 100%; font-family: var(--font); font-size: 14px; line-height: 1.5; color: var(--gray-8); background: var(--gray-1); -webkit-font-smoothing: antialiased; }

/* ── UTILS ──────────────────────────────────────── */
.hidden  { display: none !important; }
.block   { display: block; }
.tc      { text-align: center; }
.tr      { text-align: right; }
.mono    { font-family: 'Menlo','Courier New',monospace; letter-spacing: .01em; }
.mt1     { margin-top: 4px; }
.mt2     { margin-top: 8px; }
.mt3     { margin-top: 12px; }
.mb2     { margin-bottom: 8px; }
.mb3     { margin-bottom: 12px; }
.mb4     { margin-bottom: 16px; }
.full    { width: 100%; }
.grow    { flex: 1; min-width: 120px; }
.rel     { position: relative; }
.p0      { padding: 0 !important; overflow: hidden; }
.self-end{ align-self: flex-end; }
.red     { color: var(--red) !important; }
.opt     { color: var(--gray-5); font-weight: 400; }

/* ── SCREEN OVERLAYS ────────────────────────────── */
.screen-center { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: var(--gray-1); z-index: 100; }

/* Loading */
.loading-box { text-align: center; }
.app-icon    { width: 52px; height: 52px; border-radius: 14px; background: var(--blue-l); display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; }
.app-wordmark{ font-size: 22px; font-weight: 700; color: var(--gray-9); }
.loading-hint{ font-size: 13px; color: var(--gray-5); margin-top: 4px; }
.loader-bar  { width: 140px; height: 3px; background: var(--gray-3); border-radius: 2px; margin: 20px auto 0; overflow: hidden; }
.loader-fill { width: 45%; height: 100%; background: var(--blue); border-radius: 2px; animation: slide 1.3s ease-in-out infinite; }
@keyframes slide { 0%{transform:translateX(-100%)} 100%{transform:translateX(320%)} }

/* Auth */
.auth-panel  { width: 100%; max-width: 380px; background: var(--gray-0); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 36px 32px; box-shadow: var(--shadow); }
.auth-brand  { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.auth-wordmark{ font-size: 18px; font-weight: 700; color: var(--gray-9); }
.auth-heading{ font-size: 20px; font-weight: 700; color: var(--gray-9); margin-bottom: 4px; }
.auth-subtext{ font-size: 13px; color: var(--gray-5); margin-bottom: 24px; }
.auth-foot   { font-size: 12px; color: var(--gray-5); text-align: center; margin-top: 16px; }
.err-msg     { font-size: 12.5px; color: var(--red); min-height: 18px; margin-bottom: 8px; }
.mt8         { margin-top: 8px; }

/* ── APP SHELL ──────────────────────────────────── */
.app { display: flex; height: 100vh; overflow: hidden; }
.app.hidden { display: none; }

/* Mobile topbar */
.topbar { display: none; height: var(--topbar-h); background: var(--gray-0); border-bottom: 1px solid var(--gray-3); align-items: center; justify-content: space-between; padding: 0 16px; position: fixed; top: 0; left: 0; right: 0; z-index: 50; }
.topbar-brand { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--gray-9); }
.topbar-clock { font-size: 12px; color: var(--gray-5); font-variant-numeric: tabular-nums; }
.burger { background: none; border: none; cursor: pointer; padding: 6px; border-radius: var(--radius-sm); color: var(--gray-7); }
.burger:hover { background: var(--gray-2); }

/* Overlay */
.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 49; }
.overlay.show { display: block; }

/* ── SIDEBAR ────────────────────────────────────── */
.sidebar { width: var(--sidebar-w); flex-shrink: 0; background: var(--gray-0); border-right: 1px solid var(--gray-3); display: flex; flex-direction: column; height: 100%; overflow-y: auto; overflow-x: hidden; }
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--gray-3); border-radius: 2px; }

.sb-top { padding: 18px 14px 12px; border-bottom: 1px solid var(--gray-3); }
.sb-brand{ display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.sb-name { font-size: 15px; font-weight: 700; color: var(--gray-9); line-height: 1; }
.sb-sub  { font-size: 11px; color: var(--gray-5); }
.sb-clock{ font-size: 12px; color: var(--gray-5); font-variant-numeric: tabular-nums; margin-bottom: 14px; }
.sb-user { display: flex; align-items: center; gap: 10px; }
.av      { width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: white; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; flex-shrink: 0; }
.u-email { font-size: 12px; font-weight: 500; color: var(--gray-8); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px; }
.u-role  { font-size: 11px; color: var(--gray-5); }

/* Nav */
.sb-nav { flex: 1; padding: 10px 10px 0; display: flex; flex-direction: column; gap: 1px; }
.nl     { font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--gray-5); padding: 14px 8px 4px; }
.nd     { height: 1px; background: var(--gray-3); margin: 8px 0; }
.ni     { display: flex; align-items: center; gap: 9px; width: 100%; padding: 8px 10px; border: none; background: transparent; color: var(--gray-6); font-family: var(--font); font-size: 13.5px; font-weight: 500; border-radius: var(--radius-sm); cursor: pointer; text-align: left; transition: background var(--tr), color var(--tr); }
.ni:hover { background: var(--gray-2); color: var(--gray-8); }
.ni.active { background: var(--blue-l); color: var(--blue); }
.nic { width: 15px; height: 15px; flex-shrink: 0; }

.sb-logout { display: flex; align-items: center; gap: 8px; margin: 10px 14px 16px; padding: 9px 12px; background: none; border: 1px solid var(--gray-3); border-radius: var(--radius-sm); color: var(--gray-6); font-family: var(--font); font-size: 13px; font-weight: 500; cursor: pointer; transition: all var(--tr); }
.sb-logout:hover { background: var(--red-l); border-color: var(--red); color: var(--red); }

/* ── MAIN CONTENT ───────────────────────────────── */
.content { flex: 1; overflow-y: auto; padding: 28px 28px 40px; background: var(--gray-1); }
.content::-webkit-scrollbar { width: 6px; }
.content::-webkit-scrollbar-thumb { background: var(--gray-3); border-radius: 3px; }

.page { animation: fadein .2s ease; }
.page.hidden { display: none; }
@keyframes fadein { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }

/* Page header */
.ph  { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.pt  { font-size: 22px; font-weight: 700; color: var(--gray-9); }
.ps  { font-size: 13px; color: var(--gray-5); margin-top: 2px; }
.ph-right { display: flex; align-items: center; gap: 8px; }

/* ── CARD ───────────────────────────────────────── */
.card { background: var(--gray-0); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 20px; }
.ch  { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.ct  { font-size: 14px; font-weight: 600; color: var(--gray-9); }
.cdesc { font-size: 13px; color: var(--gray-6); margin: 6px 0 16px; line-height: 1.6; }
.fcard { max-width: 640px; }

/* ── STATS ──────────────────────────────────────── */
.stats   { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 18px; }
.sc      { background: var(--gray-0); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 18px 20px; position: relative; overflow: hidden; }
.sc.blue { border-top: 3px solid var(--blue); }
.sc.green{ border-top: 3px solid var(--green); }
.sc-label{ font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-5); margin-bottom: 6px; }
.sc-val  { font-size: 28px; font-weight: 700; color: var(--gray-9); font-variant-numeric: tabular-nums; }
.sc.blue .sc-val  { color: var(--blue); }
.sc.green .sc-val { color: var(--green); }
.sc-icon { position: absolute; right: 16px; bottom: 8px; font-size: 40px; font-weight: 900; opacity: .05; color: var(--gray-9); pointer-events: none; }

/* ── TWO COL ────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Quick actions */
.qa-wrap { display: flex; flex-direction: column; gap: 4px; }
.qa      { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: var(--gray-1); border: 1px solid var(--gray-3); border-radius: var(--radius-sm); color: var(--gray-7); font-family: var(--font); font-size: 13.5px; font-weight: 500; cursor: pointer; text-align: left; transition: all var(--tr); }
.qa:hover{ background: var(--blue-l); border-color: var(--blue); color: var(--blue); transform: translateX(2px); }
.qd  { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.qd.b{ background: var(--blue); }
.qd.o{ background: var(--orange); }
.qd.p{ background: var(--purple); }
.qc  { margin-left: auto; color: var(--gray-4); font-size: 16px; }
.qa:hover .qc { color: var(--blue); }

/* Low stock */
.badge { font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 99px; }
.badge.r { background: var(--red-l); color: var(--red); }
.low-wrap { display: flex; flex-direction: column; gap: 5px; max-height: 260px; overflow-y: auto; }
.low-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; background: var(--red-l); border-radius: var(--radius-sm); }
.low-name { font-size: 13px; color: var(--gray-8); font-weight: 500; }
.low-qty  { font-size: 12px; color: var(--red); font-weight: 600; }

/* ── FORMS ──────────────────────────────────────── */
.fg  { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.fg.sm { margin-bottom: 0; }
.fg:last-child { margin-bottom: 0; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.flabel { font-size: 12px; font-weight: 500; color: var(--gray-7); }

.finput { width: 100%; padding: 8px 11px; background: var(--gray-0); border: 1px solid var(--gray-4); border-radius: var(--radius-sm); color: var(--gray-9); font-family: var(--font); font-size: 14px; outline: none; transition: border-color var(--tr), box-shadow var(--tr); }
.finput::placeholder { color: var(--gray-4); }
.finput:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.finput.sm-inp { font-size: 13px; padding: 7px 10px; }
.fsel  { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 28px; }
.finput-lg { font-size: 20px; padding: 10px 14px; font-variant-numeric: tabular-nums; }

.fwb { display: flex; gap: 8px; }
.fwb .finput { flex: 1; }

.fbar { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--gray-3); }
.fbar.wrap { flex-wrap: wrap; }

.ffoot { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--gray-3); }

/* Suggestions */
.suggest { position: absolute; top: calc(100% + 3px); left: 0; right: 0; background: var(--gray-0); border: 1px solid var(--gray-3); border-radius: var(--radius); box-shadow: var(--shadow); z-index: 40; max-height: 180px; overflow-y: auto; }
.sug-item { display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; cursor: pointer; border-bottom: 1px solid var(--gray-2); transition: background var(--tr); }
.sug-item:last-child { border-bottom: none; }
.sug-item:hover { background: var(--blue-l); }
.sug-name { font-size: 13px; font-weight: 500; color: var(--gray-8); }
.sug-cat  { font-size: 11px; color: var(--gray-5); }

/* ── BUTTONS ────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius-sm); font-family: var(--font); font-size: 13.5px; font-weight: 500; cursor: pointer; border: 1px solid transparent; transition: all var(--tr); text-align: center; justify-content: center; white-space: nowrap; }
.btn.sm { padding: 6px 12px; font-size: 12.5px; }
.btn.full { width: 100%; }
.btn.primary { background: var(--blue); color: white; border-color: var(--blue); }
.btn.primary:hover { background: var(--blue-h); border-color: var(--blue-h); box-shadow: 0 2px 8px rgba(37,99,235,.25); }
.btn.secondary { background: var(--blue-l); color: var(--blue); border-color: rgba(37,99,235,.2); }
.btn.secondary:hover { background: #DBEAFE; }
.btn.ghost { background: transparent; color: var(--gray-6); border-color: var(--gray-4); }
.btn.ghost:hover { background: var(--gray-2); color: var(--gray-8); }
.btn.outline { background: transparent; color: var(--gray-7); border-color: var(--gray-4); }
.btn.outline:hover { background: var(--gray-2); }
.btn.danger { background: var(--red-l); color: var(--red); border-color: rgba(220,38,38,.25); }
.btn.danger:hover { background: #FEE2E2; }

/* ── INVENTORY ──────────────────────────────────── */
.inv-head { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr; gap: 12px; padding: 11px 16px; background: var(--gray-1); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-5); border-bottom: 1px solid var(--gray-3); }
.inv-rows { max-height: 65vh; overflow-y: auto; }
.inv-row  { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr; gap: 12px; padding: 11px 16px; border-bottom: 1px solid var(--gray-2); align-items: center; font-size: 13px; transition: background var(--tr); }
.inv-row:hover { background: var(--gray-1); }
.inv-row:last-child { border-bottom: none; }
.c2      { grid-column: span 2; }
.inv-name{ font-weight: 500; color: var(--gray-9); }
.inv-bc  { font-size: 12px; color: var(--gray-5); font-family: 'Menlo','Courier New',monospace; }
.cat-pill{ display: inline-block; font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 99px; background: var(--gray-2); color: var(--gray-6); }
.inv-cost{ color: var(--gray-6); text-align: right; font-variant-numeric: tabular-nums; }
.inv-qty { text-align: center; font-weight: 600; color: var(--gray-8); }
.inv-qty.low { color: var(--red); }
.inv-acts{ display: flex; gap: 4px; justify-content: center; }
.ab { padding: 4px 9px; border-radius: 4px; font-size: 11.5px; font-weight: 500; cursor: pointer; border: 1px solid transparent; transition: all var(--tr); }
.ab.edit  { background: rgba(37,99,235,.08); color: var(--blue); border-color: rgba(37,99,235,.2); }
.ab.edit:hover { background: var(--blue-l); }
.ab.adj   { background: rgba(22,163,74,.08); color: var(--green); border-color: rgba(22,163,74,.2); }
.ab.adj:hover { background: var(--green-l); }
.ab.del   { background: var(--red-l); color: var(--red); border-color: rgba(220,38,38,.2); }
.ab.del:hover { background: #FEE2E2; }

/* hide on small */
.hsm { }

/* ── SALE PAGE ──────────────────────────────────── */
.sale-grid { display: grid; grid-template-columns: 360px 1fr; gap: 16px; align-items: start; }
.scan-hi   { border-color: var(--green) !important; }
.scan-hi:focus { box-shadow: 0 0 0 3px rgba(22,163,74,.15) !important; }
.or-sep    { text-align: center; font-size: 12px; color: var(--gray-4); font-weight: 500; letter-spacing: .05em; margin: 12px 0; position: relative; }
.or-sep::before,.or-sep::after { content:''; position:absolute; top:50%; width:calc(50% - 18px); height:1px; background:var(--gray-3); }
.or-sep::before { left:0; }
.or-sep::after  { right:0; }
.sel-btn   { background: var(--gray-1) !important; cursor: pointer; text-align: left; color: var(--gray-5) !important; }
.sel-btn:hover { border-color: var(--gray-5) !important; color: var(--gray-7) !important; }
.stag      { font-size: 12px; color: var(--green); font-weight: 500; white-space: nowrap; align-self: center; }

.cart-card { display: flex; flex-direction: column; }
.cart-body { flex: 1; min-height: 160px; max-height: 340px; overflow-y: auto; display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.empty     { color: var(--gray-4); text-align: center; padding: 32px 0; font-size: 13px; }
.ci        { display: grid; grid-template-columns: 1fr auto auto auto; gap: 10px; align-items: center; padding: 9px 12px; background: var(--gray-1); border: 1px solid var(--gray-3); border-radius: var(--radius-sm); font-size: 13px; }
.ci-name   { font-weight: 500; color: var(--gray-8); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ci-qty    { color: var(--gray-5); }
.ci-price  { color: var(--gray-7); font-variant-numeric: tabular-nums; }
.ci-del    { background: none; border: none; cursor: pointer; color: var(--gray-4); font-size: 15px; padding: 0 2px; transition: color var(--tr); }
.ci-del:hover { color: var(--red); }

.cart-foot { border-top: 1px solid var(--gray-3); padding-top: 14px; }
.ctr       { display: flex; justify-content: space-between; align-items: center; padding: 4px 0; font-size: 13.5px; color: var(--gray-6); }
.ctr.sub   { }
.ctv       { font-size: 22px; font-weight: 700; color: var(--gray-9); font-variant-numeric: tabular-nums; }
.cpv       { font-size: 14px; font-weight: 600; color: var(--green); font-variant-numeric: tabular-nums; }

/* ── TABLES ─────────────────────────────────────── */
.tscroll { overflow-x: auto; max-height: 55vh; }
.dt      { width: 100%; border-collapse: collapse; font-size: 13px; }
.dt thead{ position: sticky; top: 0; z-index: 2; }
.dt th   { padding: 10px 12px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-5); background: var(--gray-1); border-bottom: 1px solid var(--gray-3); text-align: left; white-space: nowrap; }
.dt td   { padding: 10px 12px; border-bottom: 1px solid var(--gray-2); color: var(--gray-6); vertical-align: middle; }
.dt tbody tr:last-child td { border-bottom: none; }
.dt tbody tr:hover td { background: var(--gray-1); }
.dt td:first-child { font-size: 12px; color: var(--gray-5); white-space: nowrap; }
.tn      { font-weight: 500; color: var(--gray-8) !important; }
.tnum    { font-variant-numeric: tabular-nums; }
.tg      { color: var(--green) !important; font-weight: 500; font-variant-numeric: tabular-nums; }

.tfoot   { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; margin-top: 14px; border-top: 1px solid var(--gray-3); }
.tfoot.three { display: grid; grid-template-columns: 1fr 1fr 1fr; }
.tfs     { font-size: 13px; color: var(--gray-6); font-weight: 500; font-variant-numeric: tabular-nums; }
.tfs.g   { color: var(--green); }

/* ── SETTINGS ───────────────────────────────────── */
.set-grid  { display: flex; flex-direction: column; gap: 14px; max-width: 560px; }
.set-btns  { display: flex; gap: 10px; }
.danger-card { border-color: rgba(220,38,38,.2); }
.danger-card:hover { border-color: rgba(220,38,38,.4); }

/* ── STATUS MSG ─────────────────────────────────── */
.smsg { font-size: 12.5px; min-height: 18px; transition: opacity .3s; }
.smsg.ok  { color: var(--green); }
.smsg.err { color: var(--red); }

/* ── MODALS ─────────────────────────────────────── */
.mbg   { position: fixed; inset: 0; background: rgba(0,0,0,.4); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 16px; animation: fadein .15s ease; }
.modal { background: var(--gray-0); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); width: 100%; max-width: 460px; box-shadow: var(--shadow-lg); animation: mup .18s ease; }
.modal.narrow { max-width: 340px; }
@keyframes mup { from{transform:translateY(10px);opacity:0} to{transform:none;opacity:1} }

.mh  { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--gray-3); }
.mtt { font-size: 14px; font-weight: 600; color: var(--gray-9); }
.mx  { background: none; border: none; cursor: pointer; color: var(--gray-5); font-size: 16px; width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; border-radius: 4px; transition: all var(--tr); }
.mx:hover { background: var(--gray-2); color: var(--gray-8); }

.mb  { padding: 18px; }
.mf  { display: flex; align-items: center; justify-content: flex-end; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--gray-3); }
.mf.center { justify-content: center; }

.coni { width: 44px; height: 44px; border-radius: 50%; background: rgba(234,179,8,.12); color: #CA8A04; font-size: 22px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
.cont { font-size: 14px; color: var(--gray-7); line-height: 1.6; }

.aname { font-size: 14px; font-weight: 600; color: var(--gray-9); margin-bottom: 4px; }
.aqty  { font-size: 12px; color: var(--gray-5); font-variant-numeric: tabular-nums; }

.cat-list { display: flex; flex-direction: column; gap: 5px; max-height: 220px; overflow-y: auto; }
.cat-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; background: var(--gray-1); border: 1px solid var(--gray-3); border-radius: var(--radius-sm); }
.cat-del  { background: none; border: none; cursor: pointer; color: var(--gray-4); font-size: 14px; transition: color var(--tr); }
.cat-del:hover { color: var(--red); }

.presults { display: flex; flex-direction: column; gap: 4px; max-height: 240px; overflow-y: auto; }
.pr-btn   { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: var(--gray-1); border: 1px solid var(--gray-3); border-radius: var(--radius-sm); cursor: pointer; text-align: left; width: 100%; transition: all var(--tr); }
.pr-btn:hover { border-color: var(--blue); background: var(--blue-l); }
.pr-name  { font-size: 13px; font-weight: 500; color: var(--gray-8); }
.pr-stock { font-size: 12px; color: var(--gray-5); }

/* ── SCROLLBARS ─────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-thumb { background: var(--gray-3); border-radius: 3px; }
::-webkit-scrollbar-track { background: transparent; }

/* ── RESPONSIVE ─────────────────────────────────── */

/* Tablet (≤ 900px) */
@media (max-width: 900px) {
  .two-col  { grid-template-columns: 1fr; }
  .sale-grid { grid-template-columns: 1fr; }
  .stats    { grid-template-columns: repeat(2, 1fr); }
  .frow     { grid-template-columns: 1fr 1fr; }
  .inv-head,
  .inv-row  { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .hsm      { display: none; }
}

/* Mobile (≤ 640px) */
@media (max-width: 640px) {
  /* Show mobile topbar */
  .topbar { display: flex; }

  /* Sidebar becomes drawer */
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 260px; z-index: 50;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { transform: translateX(0); }

  /* Content offset for topbar */
  .content { padding-top: calc(var(--topbar-h) + 20px); padding-left: 16px; padding-right: 16px; }

  /* Stats */
  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .sc-val { font-size: 22px; }

  /* Inventory simplified */
  .inv-head,
  .inv-row { grid-template-columns: 1fr 1fr 1fr; }
  .inv-acts { flex-direction: column; gap: 3px; }
  .ab { width: 100%; text-align: center; }
  .hsm { display: none; }

  /* Forms */
  .frow { grid-template-columns: 1fr; }
  .fbar { flex-direction: column; align-items: stretch; }
  .fbar .self-end { align-self: flex-start; }

  /* Auth */
  .auth-panel { padding: 24px 20px; }

  /* Sale layout */
  .sale-grid { grid-template-columns: 1fr; }

  /* Page title */
  .pt { font-size: 18px; }

  /* Table filter row */
  .fbar.wrap { gap: 8px; }
  .fbar .fg.sm { width: 100%; }
  .fbar .btn.self-end { width: 100%; }

  /* Settings */
  .set-btns { flex-direction: column; }

  /* Modal */
  .modal { max-width: 100%; border-radius: var(--radius-lg) var(--radius-lg) 0 0; position: fixed; bottom: 0; left: 0; right: 0; }
  .mbg   { align-items: flex-end; padding: 0; }
}

/* Very small (≤ 380px) */
@media (max-width: 380px) {
  .stats { grid-template-columns: 1fr; }
  .inv-head, .inv-row { grid-template-columns: 1fr 1fr; }
}