:root{
  --ink:    #0a0a0b;
  --ink-2:  #52525b;
  --ink-3:  #a1a1aa;
  --ink-4:  #d4d4d8;

  --bg:     #fafafa;
  --srf:    #ffffff;
  --srf-2:  #f6f6f7;
  --srf-3:  #efeff1;

  --line:   #ececed;
  --line-2: #e0e0e2;

  --acc:    #4f46e5;
  --acc-bg: #f0effe;

  --green:  #16a34a; --grn-bg:#f0fdf4;
  --amber:  #d97706; --amb-bg:#fffbeb;
  --red:    #dc2626; --red-bg:#fef2f2;
  --blue:   #2563eb;

  --font: 'Figtree', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --r:  10px;
  --r2: 14px;
  --rail: 72px;
  --cw: 340px;
  --bnav: 62px;

  --sh0: 0 1px 2px rgba(0,0,0,.04);
  --sh:  0 4px 20px rgba(0,0,0,.06);
  --shl: 0 20px 50px rgba(0,0,0,.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:13.5px;-webkit-font-smoothing:antialiased;letter-spacing:-.011em}
a{text-decoration:none;color:inherit;cursor:pointer}
button{font-family:var(--font);cursor:pointer;letter-spacing:inherit}
input,select,textarea{font-family:var(--font);color:var(--ink)}

/* ── LAYOUT ── */
#app{display:flex;height:100vh;overflow:hidden}
#main{flex:1;overflow:hidden;display:flex;flex-direction:column;min-width:0}
.page{display:none;height:100%;overflow:hidden;flex-direction:column}
.page.active{display:flex}

/* ══ RAIL (desktop, light, icon-only) ══ */
#rail{
  width:var(--rail);flex-shrink:0;background:var(--srf);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;
  padding:16px 0;gap:4px;z-index:100;
}
.rail-logo{
  width:40px;height:40px;border-radius:12px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:19px;
  margin-bottom:14px;flex-shrink:0;
}
.rail-item{
  width:48px;height:48px;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--ink-3);cursor:pointer;transition:all .14s;position:relative;
}
.rail-item svg{width:19px;height:19px;stroke:currentColor}
.rail-lbl{font-size:8.5px;font-weight:600;letter-spacing:.01em}
.rail-item:hover{background:var(--srf-2);color:var(--ink-2)}
.rail-item.active{background:var(--acc-bg);color:var(--acc)}
.rail-sp{flex:1}
.rail-clock{font-family:var(--mono);font-size:10px;color:var(--ink-3);font-weight:600;margin-top:8px;text-align:center;line-height:1.4}

/* ══ MOBILE HEADER ══ */
#mhdr{display:none;align-items:center;gap:11px;padding:0 16px;height:56px;background:var(--srf);border-bottom:1px solid var(--line);flex-shrink:0;z-index:90}
.mh-logo{width:32px;height:32px;border-radius:9px;background:var(--ink);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.mh-name{font-size:16px;font-weight:800;letter-spacing:-.03em}
.mh-name span{color:var(--acc)}
.mh-r{margin-left:auto;display:flex;gap:8px}
.mh-btn{width:38px;height:38px;background:var(--srf-2);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--ink-2);position:relative}
.mh-btn svg{width:17px;height:17px;stroke:currentColor}
.mh-bdg{position:absolute;top:-5px;right:-5px;background:var(--acc);color:#fff;font-size:9px;font-weight:800;min-width:17px;height:17px;border-radius:99px;display:none;align-items:center;justify-content:center;font-family:var(--mono);border:2px solid var(--srf);padding:0 4px}
.mh-bdg.on{display:flex}

/* ══ BOTTOM NAV ══ */
#bnav{display:none;position:fixed;bottom:0;left:0;right:0;height:var(--bnav);background:var(--srf);border-top:1px solid var(--line);z-index:200;grid-template-columns:repeat(5,1fr)}
.bn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--ink-3);font-size:9.5px;font-weight:600;cursor:pointer;transition:color .13s}
.bn svg{width:20px;height:20px;stroke:currentColor}
.bn.active{color:var(--acc)}

/* ══ SECTION HEAD ══ */
.shead{display:flex;align-items:center;gap:12px;padding:20px 24px 0;flex-shrink:0}
.stitle{font-size:22px;font-weight:800;letter-spacing:-.04em;color:var(--ink)}
.ssub{font-size:12px;color:var(--ink-3);margin-top:2px}
.shead-r{margin-left:auto;display:flex;gap:8px;align-items:center}

/* ══ POS ══ */
#page-pos.active{display:flex!important;flex-direction:row}
.pos-left{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}

.pos-search{padding:18px 24px 12px;flex-shrink:0}
.srch{display:flex;align-items:center;gap:11px;background:var(--srf);border:1px solid var(--line-2);border-radius:13px;padding:0 16px;transition:all .15s}
.srch:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px var(--srf-3)}
.srch svg{width:17px;height:17px;color:var(--ink-3);flex-shrink:0}
.srch input{flex:1;border:none;outline:none;background:none;font-size:14.5px;padding:13px 0;font-family:var(--font);color:var(--ink)}
.srch input::placeholder{color:var(--ink-3)}
.srch-clr{background:none;border:none;color:var(--ink-3);width:24px;height:24px;border-radius:50%;font-size:14px;display:none;align-items:center;justify-content:center;transition:all .12s}
.srch-clr.on{display:flex}
.srch-clr:hover{background:var(--srf-3);color:var(--ink)}
.srch-scan{width:24px;height:24px;flex-shrink:0;background:none;border:none;display:flex;align-items:center;justify-content:center;color:var(--ink-3);transition:color .13s}
.srch-scan:hover{color:var(--ink)}
.srch-scan svg{width:19px;height:19px}
#iva-toggle{width:auto !important;height:28px !important;padding:0 12px !important;border-radius:6px !important;border:2px solid #94a3b8 !important;font-size:11.5px !important;font-weight:800 !important;font-family:var(--mono) !important;letter-spacing:.04em !important;cursor:pointer !important;transition:all .15s !important;background:#f1f5f9 !important;color:#475569 !important}
#iva-toggle.iva-on{background:#dbeafe !important;color:#1e40af !important;border-color:#2563eb !important}
#iva-toggle.iva-off{background:#fef08a !important;color:#92400e !important;border-color:#d97706 !important}
#iva-toggle:hover{opacity:.8 !important}

.pos-cats{padding:0 24px 14px;display:flex;gap:8px;overflow-x:auto;flex-shrink:0;scrollbar-width:none}
.pos-cats::-webkit-scrollbar{display:none}
.chip{padding:6px 15px;border-radius:99px;border:1px solid var(--line-2);background:var(--srf);color:var(--ink-2);font-size:12.5px;font-weight:600;white-space:nowrap;cursor:pointer;transition:all .13s}
.chip:hover{border-color:var(--ink-3)}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff}

.prod-grid{flex:1;overflow-y:auto;padding:0 24px 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px;align-content:start;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.prod-grid::-webkit-scrollbar{width:5px}
.prod-grid::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:3px}

/* minimalist product card */
.pc{background:var(--srf);border:1px solid var(--line);border-radius:var(--r2);padding:14px;cursor:pointer;transition:all .16s;display:flex;flex-direction:column;gap:2px}
.pc:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh)}
.pc:active{transform:scale(.98)}
.pc-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:12px}
.pc-ic{width:38px;height:38px;border-radius:10px;background:var(--srf-2);display:flex;align-items:center;justify-content:center}
.pc-ic svg{width:20px;height:20px}
.pc-stk{display:flex;align-items:center;gap:4px;font-size:10px;font-family:var(--mono);color:var(--ink-3)}
.pc-dot{width:6px;height:6px;border-radius:50%}
.s-ok .pc-dot{background:var(--green)}.s-ok{color:var(--green)}
.s-low .pc-dot{background:var(--amber)}.s-low{color:var(--amber)}
.s-out .pc-dot{background:var(--red)}.s-out{color:var(--red)}
.pc-name{font-size:13px;font-weight:600;line-height:1.35;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.pc-sku{font-size:10px;color:var(--ink-3);font-family:var(--mono);margin-bottom:8px}
.pc-price{font-size:17px;font-weight:800;font-family:var(--mono);letter-spacing:-.04em;color:var(--ink);margin-top:auto}

/* ══ CART ══ */
.cart{width:var(--cw);flex-shrink:0;display:flex;flex-direction:column;background:var(--srf);border-left:1px solid var(--line);overflow:hidden}
.cart-h{padding:20px 20px 16px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.cart-t{font-size:16px;font-weight:800;letter-spacing:-.03em;display:flex;align-items:center;gap:8px}
.cart-n{background:var(--ink);color:#fff;font-size:10px;font-weight:700;font-family:var(--mono);padding:2px 7px;border-radius:99px;min-width:20px;text-align:center;transition:transform .15s}
.cart-n.pop{animation:pop .22s ease}
#mcart-x{display:none;background:var(--srf-2);border:1px solid var(--line);width:30px;height:30px;border-radius:9px;color:var(--ink-2);font-size:14px;align-items:center;justify-content:center}

.cart-cli{padding:0 20px 14px;flex-shrink:0}
.cart-items{flex:1;overflow-y:auto;padding:0 20px;scrollbar-width:thin}
.cart-items::-webkit-scrollbar{width:4px}
.cart-items::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:2px}
.cempty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;padding:24px;color:var(--ink-3)}
.cempty svg{width:36px;height:36px;stroke:var(--ink-4);margin-bottom:6px}
.cempty p{font-size:13px;font-weight:600}
.cempty small{font-size:11px;color:var(--ink-4)}

.ci{padding:14px 0;border-bottom:1px solid var(--line);animation:fade .18s ease}
.ci:last-child{border-bottom:none}
.ci-top{display:flex;justify-content:space-between;gap:8px;margin-bottom:10px}
.ci-name{font-size:13px;font-weight:600;line-height:1.3;flex:1}
.ci-x{background:none;border:none;color:var(--ink-4);width:20px;height:20px;font-size:14px;border-radius:5px;flex-shrink:0;transition:all .12s}
.ci-x:hover{color:var(--red);background:var(--red-bg)}
.ci-bot{display:flex;align-items:center;justify-content:space-between}
.qty{display:flex;align-items:center;gap:2px;border:1px solid var(--line-2);border-radius:9px;padding:2px}
.qb{width:26px;height:26px;border:none;background:none;border-radius:7px;color:var(--ink-2);font-size:15px;display:flex;align-items:center;justify-content:center;transition:all .12s}
.qb:hover{background:var(--srf-2);color:var(--ink)}
.qn{font-size:13px;font-weight:700;font-family:var(--mono);min-width:26px;text-align:center}
.ci-p{font-size:14px;font-weight:800;font-family:var(--mono);letter-spacing:-.03em}
.ci-u{font-size:10px;color:var(--ink-3);font-family:var(--mono);text-align:right;margin-top:2px}

.cart-foot{padding:16px 20px;border-top:1px solid var(--line);flex-shrink:0}
.disc-row{display:flex;gap:8px;margin-bottom:14px}
.tt{margin-bottom:14px}
.tr{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-3);padding:3px 0}
.tr .v{font-family:var(--mono);color:var(--ink-2)}
.tr.dsc,.tr.dsc .v{color:var(--green)}
.tsep{height:1px;background:var(--line);margin:9px 0}
.tf{display:flex;justify-content:space-between;align-items:baseline}
.tf .l{font-size:14px;font-weight:700}
.tf .v{font-family:var(--mono);font-size:24px;font-weight:800;letter-spacing:-.05em}
.pays{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:12px}
.pay{padding:8px 4px;font-size:11px;font-weight:600;border:1px solid var(--line-2);background:var(--srf);color:var(--ink-3);border-radius:9px;transition:all .13s}
.pay:hover{color:var(--ink-2);border-color:var(--ink-3)}
.pay.active{background:var(--ink);border-color:var(--ink);color:#fff}
.cash{margin-bottom:12px}
.chg{font-size:12px;font-family:var(--mono);font-weight:700;text-align:right;margin-top:6px}
.pay-btn{width:100%;padding:15px;font-size:15px;font-weight:800;border-radius:13px;border:none;background:var(--ink);color:#fff;letter-spacing:-.02em;transition:all .18s}
.pay-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.18)}
.pay-btn:disabled{background:var(--srf-3);color:var(--ink-4);cursor:not-allowed}

/* ══ INPUTS / BTN ══ */
.inp,.sel,.txa{width:100%;padding:9px 13px;background:var(--srf);border:1px solid var(--line-2);border-radius:var(--r);color:var(--ink);font-size:13px;outline:none;transition:all .15s;font-family:var(--font)}
.inp:focus,.sel:focus,.txa:focus{border-color:var(--ink);box-shadow:0 0 0 4px var(--srf-3)}
.inp::placeholder{color:var(--ink-3)}
.sel{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none' stroke='%23a1a1aa' stroke-width='1.6'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:30px}
.txa{resize:vertical;min-height:64px}
.lbl{display:block;font-size:10px;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:.09em;margin-bottom:6px;font-family:var(--mono)}

.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--srf);color:var(--ink-2);font-size:12.5px;font-weight:600;transition:all .13s;white-space:nowrap;line-height:1}
.btn:hover{border-color:var(--ink-3);color:var(--ink);background:var(--srf-2)}
.btn svg{width:14px;height:14px}
.btn:disabled{opacity:.4;pointer-events:none}
.btn-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-dark:hover{background:#000;border-color:#000;color:#fff}
.btn-sm{padding:6px 11px;font-size:11.5px}
.btn-lg{padding:12px 22px;font-size:14px;font-weight:700}
.sw{position:relative}
.sw svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--ink-3);width:14px;height:14px;pointer-events:none}
.sw .inp{padding-left:38px}

/* ══ TABLE ══ */
.tbl-wrap{flex:1;overflow:auto;padding:8px 24px 24px;scrollbar-width:thin}
.tbl-wrap::-webkit-scrollbar{width:5px;height:5px}
.tbl-wrap::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:3px}
.tbl{width:100%;border-collapse:collapse;font-size:13px;background:var(--srf);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden}
.tbl thead{background:var(--srf-2)}
.tbl th{padding:12px 16px;text-align:left;font-size:9.5px;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:.1em;font-family:var(--mono);border-bottom:1px solid var(--line)}
.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--srf-2)}
.td-r{text-align:right;font-family:var(--mono)}

.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;font-size:10.5px;font-weight:700;white-space:nowrap;font-family:var(--mono)}
.b-grn{background:var(--grn-bg);color:var(--green)}
.b-amb{background:var(--amb-bg);color:var(--amber)}
.b-red{background:var(--red-bg);color:var(--red)}
.b-gry{background:var(--srf-3);color:var(--ink-3)}
.b-acc{background:var(--acc-bg);color:var(--acc)}

/* stat cards */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;padding:20px 24px;flex-shrink:0}
.sc{background:var(--srf);border:1px solid var(--line);border-radius:var(--r2);padding:18px}
.sc-l{font-size:10px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.1em;font-family:var(--mono);margin-bottom:10px}
.sc-v{font-size:26px;font-weight:800;font-family:var(--mono);letter-spacing:-.05em}
.sc-s{font-size:11px;color:var(--ink-3);margin-top:4px}

/* progress */
.prog{height:5px;background:var(--srf-3);border-radius:3px;overflow:hidden}
.prog-b{height:100%;border-radius:3px}

/* ══ COTIZACIÓN ══ */
#page-cotiza.active{display:flex!important;flex-direction:row}
.cot-build{width:380px;flex-shrink:0;border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;background:var(--srf)}
.cot-build-h{padding:18px 20px;border-bottom:1px solid var(--line);flex-shrink:0}
.cot-build-body{flex:1;overflow-y:auto;padding:18px 20px;scrollbar-width:thin}
.cot-build-foot{padding:16px 20px;border-top:1px solid var(--line);flex-shrink:0;display:flex;gap:8px}
.cot-additem{display:flex;gap:8px;margin-bottom:16px}
.cot-line{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.cot-line-info{flex:1;min-width:0}
.cot-line-n{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cot-line-p{font-size:10.5px;color:var(--ink-3);font-family:var(--mono)}
.cot-line-q{width:52px;text-align:center;padding:5px;font-family:var(--mono);font-size:12px}
.cot-line-x{background:none;border:none;color:var(--ink-4);font-size:14px;width:22px;height:22px;border-radius:5px;flex-shrink:0}
.cot-line-x:hover{color:var(--red);background:var(--red-bg)}

/* Preview area (letter) */
.cot-preview{flex:1;overflow:auto;background:#eceef1;display:flex;justify-content:center;padding:28px;scrollbar-width:thin}
.sheet{
  width:816px;min-height:1056px;background:#fff;flex-shrink:0;
  box-shadow:0 4px 30px rgba(0,0,0,.14);padding:64px 60px;
  font-size:13px;color:#18181b;position:relative;
}
.sheet-hd{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:40px;padding-bottom:24px;border-bottom:2px solid #18181b}
.sheet-brand{display:flex;align-items:center;gap:14px}
.sheet-logo{width:52px;height:52px;border-radius:14px;background:#0a0a0b;color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px}
.sheet-co{font-size:22px;font-weight:900;letter-spacing:-.04em}
.sheet-co-s{font-size:11px;color:#71717a;margin-top:2px;font-family:'JetBrains Mono',monospace}
.sheet-doc{text-align:right}
.sheet-doc-t{font-size:26px;font-weight:900;letter-spacing:-.04em;color:#0a0a0b}
.sheet-doc-m{font-size:11px;color:#71717a;font-family:'JetBrains Mono',monospace;margin-top:4px;line-height:1.7}
.sheet-parties{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:34px}
.sheet-block-l{font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#a1a1aa;margin-bottom:8px;font-family:'JetBrains Mono',monospace}
.sheet-block-v{font-size:13.5px;line-height:1.65;color:#3f3f46}
.sheet-block-v strong{color:#18181b;font-weight:700;font-size:14.5px}
.sheet-table{width:100%;border-collapse:collapse;margin-bottom:28px}
.sheet-table th{text-align:left;font-size:9.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#a1a1aa;padding:0 0 12px;border-bottom:1.5px solid #18181b;font-family:'JetBrains Mono',monospace}
.sheet-table th.r,.sheet-table td.r{text-align:right}
.sheet-table td{padding:13px 0;border-bottom:1px solid #ececed;font-size:13px;color:#3f3f46;vertical-align:top}
.sheet-table td.r{font-family:'JetBrains Mono',monospace}
.sheet-item-n{font-weight:600;color:#18181b}
.sheet-item-s{font-size:10.5px;color:#a1a1aa;font-family:'JetBrains Mono',monospace;margin-top:2px}
.sheet-tot{display:flex;justify-content:flex-end;margin-bottom:40px}
.sheet-tot-box{width:280px}
.sheet-tot-row{display:flex;justify-content:space-between;font-size:13px;color:#52525b;padding:6px 0}
.sheet-tot-row .v{font-family:'JetBrains Mono',monospace}
.sheet-tot-final{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0 0;margin-top:8px;border-top:2px solid #18181b}
.sheet-tot-final .l{font-size:15px;font-weight:800}
.sheet-tot-final .v{font-family:'JetBrains Mono',monospace;font-size:24px;font-weight:900;letter-spacing:-.04em;color:#0a0a0b}
.sheet-notes{border-top:1px solid #ececed;padding-top:20px;font-size:11.5px;color:#71717a;line-height:1.7}
.sheet-notes b{color:#3f3f46;display:block;margin-bottom:4px;font-family:'JetBrains Mono',monospace;font-size:9.5px;text-transform:uppercase;letter-spacing:.1em}
.sheet-foot{position:absolute;bottom:44px;left:60px;right:60px;text-align:center;font-size:10.5px;color:#a1a1aa;border-top:1px solid #ececed;padding-top:16px}

.cempty-cot{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:10px;color:var(--ink-3);text-align:center;padding:40px}

/* ══ MODAL ══ */
#mbg{position:fixed;inset:0;background:rgba(9,9,11,.4);display:flex;align-items:center;justify-content:center;z-index:500;padding:16px;opacity:0;pointer-events:none;transition:opacity .2s;backdrop-filter:blur(4px)}
#mbg.show{opacity:1;pointer-events:all}
#mbox{background:var(--srf);border-radius:var(--r2);width:100%;max-width:640px;max-height:90vh;overflow-y:auto;transform:translateY(16px) scale(.97);transition:transform .25s cubic-bezier(.4,0,.2,1);box-shadow:var(--shl)}
#mbg.show #mbox{transform:none}
.mh{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line)}
.mt{font-size:16px;font-weight:800;letter-spacing:-.03em}
.mx{background:var(--srf-2);border:none;color:var(--ink-3);width:30px;height:30px;border-radius:8px;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .13s}
.mx:hover{background:var(--srf-3);color:var(--ink)}
.mb{padding:24px}

/* ══ TOASTS ══ */
#toasts{position:fixed;bottom:22px;right:22px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--ink);color:#fff;border-radius:11px;padding:12px 18px;font-size:13px;font-weight:500;min-width:220px;max-width:340px;box-shadow:var(--shl);animation:tin .25s ease,tout .3s 2.7s ease forwards;display:flex;align-items:center;gap:9px}
.toast::before{content:'';width:7px;height:7px;border-radius:50%;flex-shrink:0}
.toast-success::before{background:#4ade80}
.toast-error::before{background:#f87171}
.toast-info::before{background:#818cf8}
.toast-warning::before{background:#fbbf24}

/* ══ MISC ══ */
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:12px;color:var(--ink-3);padding:48px;text-align:center}
.empty svg{width:38px;height:38px;stroke:var(--ink-4)}
.empty p{font-size:14px;font-weight:600}
.spinner{width:18px;height:18px;border:2px solid var(--line-2);border-top-color:var(--ink);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* mobile cart float */
#cfloat{display:none;position:fixed;left:14px;right:14px;bottom:calc(var(--bnav) + 12px);z-index:190;background:var(--ink);color:#fff;border-radius:14px;padding:14px 18px;align-items:center;justify-content:space-between;box-shadow:0 8px 30px rgba(0,0,0,.25);animation:up .2s ease}
#cfloat.show{display:flex}
.cf-l{display:flex;align-items:center;gap:10px}
.cf-p{background:rgba(255,255,255,.16);border-radius:99px;padding:3px 10px;font-size:11px;font-family:var(--mono);font-weight:700}
.cf-t{font-size:16px;font-weight:800;font-family:var(--mono);letter-spacing:-.03em}
#covl{display:none;position:fixed;inset:0;background:rgba(9,9,11,.4);z-index:250}
#covl.on{display:block}

/* tweaks */
#tw{position:fixed;bottom:22px;right:22px;background:var(--srf);border:1px solid var(--line-2);border-radius:var(--r2);padding:18px 20px;z-index:1000;min-width:250px;box-shadow:var(--shl);display:none}
#tw.show{display:block}
.tw-h{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:var(--ink-3);margin-bottom:14px;font-family:var(--mono)}
.tw-r{margin-bottom:13px}
.tw-l{font-size:11px;color:var(--ink-2);margin-bottom:6px;font-weight:600}
.tw-o{display:flex;gap:5px;flex-wrap:wrap}
.two{padding:5px 11px;border-radius:8px;border:1px solid var(--line-2);background:var(--srf-2);color:var(--ink-3);font-size:11px;cursor:pointer;transition:all .13s;font-weight:600}
.two.on{background:var(--ink);border-color:var(--ink);color:#fff}

/* animations */
@keyframes pop{0%,100%{transform:scale(1)}50%{transform:scale(1.45)}}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes tin{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}
@keyframes tout{to{opacity:0;transform:translateX(12px)}}
@keyframes up{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:3px}

/* ══ RESPONSIVE ══ */
@media(max-width:1200px){.cot-preview{padding:16px}.sheet{transform:scale(.82);transform-origin:top center;margin-bottom:-180px}}
@media(max-width:900px){:root{--cw:300px}}
@media(max-width:768px){
  /* ── Layout base ── */
  #rail{display:none}
  #mhdr{display:flex}
  #bnav{display:grid}
  #app{flex-direction:column;height:calc(100vh - 52px - var(--bnav))}
  #main{height:100%}

  /* ── POS ── */
  #page-pos.active{flex-direction:column}
  .pos-left{padding-bottom:0;min-height:0;flex:1;overflow:hidden;display:flex;flex-direction:column}
  .pos-search{padding:10px 12px 8px}
  .pos-search .srch{gap:6px}
  .pos-cats{padding:0 12px 8px;gap:5px}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:8px;padding:0 12px 12px}
  .pc{font-size:12px}
  .pc-top{margin-bottom:6px}
  .pc-price{font-size:14px}

  /* ── Carrito (drawer desde abajo) ── */
  .cart{
    position:fixed;bottom:0;left:0;right:0;
    height:90vh;width:100%;z-index:260;
    border-radius:20px 20px 0 0;
    border-left:none;border-top:2px solid var(--line);
    transform:translateY(100%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);
    box-shadow:0 -12px 40px rgba(0,0,0,.18);
    display:flex;flex-direction:column
  }
  .cart.open{transform:translateY(0)}
  #mcart-x{display:flex}
  .cart-h{padding:14px 16px}
  .cart-cli{padding:6px 12px}
  .cart-items{flex:1;min-height:0}
  .cart-foot{padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  .pays{gap:5px}
  .pay{font-size:11px;padding:7px 4px}
  .pay-btn{padding:13px;font-size:14px}

  /* ── Páginas internas ── */
  .page{padding-bottom:var(--bnav)}
  .shead{padding:14px 14px 0;flex-wrap:wrap;gap:8px}
  .shead-r{width:100%;justify-content:space-between}
  .stitle{font-size:18px}
  .ssub{font-size:12px}
  .stats{padding:12px;gap:8px;grid-template-columns:repeat(2,1fr)}
  .sc-v{font-size:20px}

  /* ── Tablas ── */
  .tbl-wrap{padding:8px 12px 20px;overflow-x:auto}
  table{font-size:12px;min-width:500px}
  td,th{padding:8px 10px}

  /* ── Modal ── */
  #mbox{border-radius:16px 16px 0 0;position:fixed;bottom:0;left:0;right:0;max-height:92vh;max-width:100%!important;border-left:none;border-right:none;border-bottom:none}
  #mbg{align-items:flex-end;padding:0}

  /* ── Cotización ── */
  #page-cotiza.active{flex-direction:column}
  .cot-build{width:100%;border-right:none;border-bottom:1px solid var(--line);max-height:none;flex:none}
  .cot-preview{padding:14px 0;background:#eceef1}
  .sheet{transform:scale(.42);transform-origin:top center;margin-bottom:-600px}

  /* ── Grids de formulario ── */
  .grid-2,.grid-3{grid-template-columns:1fr!important}

  /* ── Toasts ── */
  #toasts{bottom:calc(var(--bnav) + 10px);right:10px;left:10px}
  .toast{min-width:0;font-size:12px}

  /* ── Floater carrito ── */
  #cfloat{display:flex;bottom:calc(var(--bnav) + 10px)}
}

@media(max-width:480px){
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:6px}
  .pays{grid-template-columns:repeat(2,1fr)}
  .pc-name{font-size:11px}
  .stats{grid-template-columns:1fr 1fr}
  .shead-r{flex-wrap:wrap}
  .sw input{width:120px!important}
}

/* Safe area para iPhone X+ */
@supports(padding-bottom:env(safe-area-inset-bottom)){
  .cart-foot{padding-bottom:calc(12px + env(safe-area-inset-bottom))}
  #bnav{padding-bottom:env(safe-area-inset-bottom)}
}

/* ══ PRINT ══ */
@media print{body *{visibility:hidden}}
/* ── NUEVOS ESTILOS v2 ── */
/* Progress bar */
.prog{height:5px;background:#e2e8f0;border-radius:3px;overflow:hidden;margin-top:4px}
.prog-b{height:100%;border-radius:3px;transition:width .4s}

/* Tabs */
.tabs{display:flex;border-bottom:1px solid #e2e8f0;padding:0 16px;background:#fff;flex-shrink:0;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{padding:10px 14px;font-size:12.5px;font-weight:500;color:#94a3b8;border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;transition:all .15s;white-space:nowrap;font-family:var(--font)}
.tab:hover{color:#0f172a}
.tab.active{color:var(--acc);border-bottom-color:var(--acc)}
.tab-pane{display:none;flex:1;flex-direction:column;overflow:hidden}
.tab-pane.active{display:flex}

/* QR / Barcode */
.barcode-wrap{text-align:center;padding:16px;background:#f8fafc;border-radius:12px;margin:12px 0}
.barcode-wrap img{max-width:220px;margin:0 auto;display:block;border-radius:6px}

/* Ticket confirm */
.tkt{font-family:'Courier New',monospace;font-size:11px;background:#fff;border:1.5px dashed #cbd5e1;border-radius:10px;padding:16px;max-height:55vh;overflow-y:auto;line-height:1.8}
.tkt-title{font-size:14px;font-weight:700;text-align:center;margin-bottom:4px}
.tkt-sep{border-top:1px dashed #aaa;margin:6px 0}
.tkt-row{display:flex;justify-content:space-between;gap:8px}
.tkt-row .r{font-weight:700}

/* Mobile responsive improvements */
@media(max-width:768px){
  .shead{flex-wrap:wrap;gap:8px;padding:12px 14px}
  .shead-r{width:100%;justify-content:space-between}
  .sw input{width:140px!important}
  .tbl-wrap{font-size:12px}
  td,th{padding:8px 10px}
}

/* ── MEJORAS UX MÓVIL ── */
/* Header móvil más compacto */
#mhdr{height:52px;padding:0 14px;gap:8px}
.mh-logo{width:36px;height:36px;border-radius:8px;overflow:hidden;flex-shrink:0}
.mh-logo img{width:100%;height:100%;object-fit:contain}
.mh-name{font-size:14px;font-weight:800;flex:1}
.mh-name span{color:var(--acc)}

/* Bottom nav mejorado */
#bnav{
  grid-template-columns:repeat(5,1fr);
  height:var(--bnav);
  background:#fff;
  border-top:1px solid var(--line);
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  padding:4px 0 0;
  box-shadow:0 -2px 12px rgba(0,0,0,.06)
}
.bn{
  display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:2px;
  color:var(--ink-3);font-size:9px;font-weight:600;
  cursor:pointer;padding:4px 2px;
  transition:color .13s;border-radius:8px;margin:2px
}
.bn svg{width:22px;height:22px;stroke:currentColor}
.bn.active{color:var(--acc)}
.bn.active svg{filter:drop-shadow(0 0 4px color-mix(in srgb,var(--acc) 40%,transparent))}

/* Floater carrito */
#cfloat{
  display:none;
  position:fixed;bottom:calc(var(--bnav) + 8px);left:16px;right:16px;
  background:var(--ink);color:#fff;
  border-radius:14px;padding:12px 16px;
  align-items:center;justify-content:space-between;
  z-index:190;cursor:pointer;
  box-shadow:0 4px 20px rgba(0,0,0,.25);
  font-weight:700;font-size:14px
}
#cfloat.show{display:flex}
.cf-l{display:flex;align-items:center;gap:10px}
.cf-p{background:var(--acc);color:#fff;border-radius:99px;padding:2px 8px;font-size:12px;font-family:var(--mono)}
.cf-t{font-family:var(--mono);font-size:15px}

/* Input cantidad en carrito — táctil friendly */
.qn-input{
  width:48px!important;height:32px;
  text-align:center;
  border:1.5px solid #e2e8f0;border-radius:8px;
  font-size:15px;font-weight:700;
  padding:0 4px;
  font-family:var(--mono);
  -moz-appearance:textfield;
  touch-action:manipulation;
  cursor:text
}
.qn-input:focus{border-color:var(--acc);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--acc) 15%,transparent)}
.qn-input::-webkit-inner-spin-button,.qn-input::-webkit-outer-spin-button{-webkit-appearance:none}

/* Botones de cantidad más grandes en móvil */
@media(max-width:768px){
  .qb{width:32px;height:32px;font-size:18px}
  .qn-input{width:52px!important;height:36px;font-size:16px}
}

/* ── MENÚ MÁS ── */
.mas-item{
  display:flex;align-items:center;gap:14px;
  padding:13px 8px;font-size:14px;font-weight:600;
  color:#0f172a;cursor:pointer;border-radius:10px;
  transition:background .12s
}
.mas-item:hover,.mas-item:active{background:#f8fafc}
.mas-item svg{width:22px;height:22px;stroke:currentColor;flex-shrink:0;color:#64748b}
.mas-item:active{background:#f1f5f9}