:root{
  --bg:#f4f5f7; --card:#fff; --ink:#1e2229; --dim:#4a5263; --mute:#8a93a6;
  --line:#e0e3ea; --strong:#c8cdd8; --accent:#ff8c21; --ok:#2e9e52;
  --r:10px; --sh:0 1px 3px rgba(0,0,0,.08);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:'Inter Tight',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:860px;margin:0 auto;padding:16px 12px 80px}

/* HEADER */
header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.logo{font-weight:800;font-size:26px;color:var(--ink)}
.logo em{font-style:italic;color:var(--accent)}
.top-btns{display:flex;gap:8px}
.btn{font-family:inherit;font-weight:600;font-size:13px;padding:9px 14px;border-radius:8px;cursor:pointer;border:1.5px solid var(--strong);background:var(--card);color:var(--ink);display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.btn.accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ghost{background:transparent;border-color:transparent;color:var(--mute)}

/* CARD */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--sh);margin-bottom:12px}
.card-title{font-weight:700;font-size:16px;margin-bottom:3px}
.card-sub{font-size:11px;color:var(--mute);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}

/* FIELDS */
.field{margin-bottom:10px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:11px;font-weight:600;color:var(--mute);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;background:#f8f9fb;border:1.5px solid var(--line);color:var(--ink);padding:10px 11px;border-radius:8px;font-family:inherit;font-size:15px;-webkit-appearance:none;appearance:none}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238a93a6' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:32px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}

/* PRESETS */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.chip{font-family:inherit;font-size:12px;font-weight:500;padding:6px 11px;border-radius:999px;border:1.5px solid var(--line);background:#f0f1f3;color:var(--dim);cursor:pointer}
.chip:active{border-color:var(--accent);color:var(--accent);background:#fff8f0}

/* DESCUENTO GLOBAL */
.disc-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;background:#fff8f0;border:1.5px solid rgba(255,140,33,.3);border-radius:8px;margin-bottom:10px}
.disc-bar label{font-size:13px;font-weight:600}
.disc-bar input{width:60px;padding:7px 9px;background:#fff;border:1.5px solid var(--line);border-radius:7px;font-size:14px;font-family:'JetBrains Mono',monospace;text-align:right;color:var(--ink)}
.disc-bar input:focus{outline:none;border-color:var(--accent)}
.disc-bar .pct{color:var(--mute);font-size:13px}
.btn-apply{font-family:inherit;font-size:13px;font-weight:700;background:var(--accent);color:#fff;border:0;padding:8px 12px;border-radius:7px;cursor:pointer}

/* SECCIONES DESPLEGABLES */
.section{border:1px solid var(--line);border-radius:8px;margin-bottom:8px;overflow:hidden}
.section-hdr{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:#f8f9fb;cursor:pointer;user-select:none;-webkit-user-select:none;width:100%;border:none;text-align:left;font-family:inherit}
.section-hdr:active{background:#f0f1f3}
.section-hdr-left{display:flex;align-items:center;gap:8px}
.section-bar{width:3px;height:14px;background:var(--accent);border-radius:2px;flex-shrink:0}
.section-name{font-size:13px;font-weight:700;color:var(--ink);text-transform:uppercase;letter-spacing:.08em}
.section-count{font-size:11px;color:var(--accent);font-weight:700;font-family:'JetBrains Mono',monospace}
.section-arrow{font-size:14px;color:var(--mute);transition:transform .2s}
.section-arrow.open{transform:rotate(180deg)}
.section-body{border-top:1px solid var(--line)}

/* ITEMS */
.item{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item.active{background:rgba(255,140,33,.04)}
.iname{font-size:14px;font-weight:600;color:var(--ink);line-height:1.3}
.iname.on{color:var(--accent)}
.idesc{font-size:12px;color:var(--mute);margin-top:2px;font-style:italic}
.iprice{font-size:11px;color:var(--dim);margin-top:4px;font-family:'JetBrains Mono',monospace}
.tag{display:inline-block;font-size:9px;padding:1px 5px;border-radius:3px;margin-left:4px;font-family:'JetBrains Mono',monospace;font-weight:700;vertical-align:middle}
.tag.new{background:rgba(46,158,82,.12);color:var(--ok)}
.tag.dto{background:rgba(192,120,0,.12);color:#c07800}
.tag.reac{background:rgba(124,58,237,.12);color:#7c3aed}
.ec.reac-chip{background:rgba(124,58,237,.06);border-color:rgba(124,58,237,.2);display:flex;align-items:center;gap:5px;flex-wrap:wrap}

/* QTY */
.qty{display:inline-flex;align-items:center;background:#f4f5f7;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;flex-shrink:0}
.qty button{background:transparent;border:0;color:var(--ink);width:40px;height:40px;cursor:pointer;font-size:20px;font-weight:300;display:flex;align-items:center;justify-content:center}
.qty button:active{background:rgba(255,140,33,.2)}
.qty input{width:38px;height:40px;background:transparent;border:0;color:var(--ink);text-align:center;font-family:'JetBrains Mono',monospace;font-size:14px;font-weight:700}
.qty input:focus{outline:none}

/* EDIT CHIPS */
.edit-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.ec{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:6px;font-size:11px;font-family:'JetBrains Mono',monospace;border:1px solid rgba(255,140,33,.25);background:rgba(255,140,33,.07)}
.ec.cuota{border-color:rgba(30,100,220,.2);background:rgba(30,100,220,.06)}
.ec label{font-weight:700;color:var(--accent);white-space:nowrap}
.ec.cuota label{color:#1e64dc}
.ec input{width:50px;background:transparent;border:0;color:var(--ink);font-family:inherit;font-size:11px;text-align:right;padding:0}
.ec input:focus{outline:none}

/* CUSTOM */
.custom-form{background:#f0f4ff;border:2px dashed rgba(30,100,220,.25);border-radius:10px;padding:14px;margin:8px 14px 14px}
.custom-form-title{font-size:12px;font-weight:700;color:#1e64dc;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.custom-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}
.custom-item:last-child{border-bottom:0}
.ci-info{flex:1;min-width:0}
.ci-name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ci-price{font-size:11px;color:var(--mute);font-family:'JetBrains Mono',monospace;margin-top:2px}
.btn-del{font-family:inherit;font-size:12px;font-weight:600;background:#fff0f0;border:1px solid #fbc5c5;color:#c0392b;padding:6px 10px;border-radius:6px;cursor:pointer;flex-shrink:0}

/* SWITCH */
.sw{display:flex;align-items:center;gap:10px;padding:12px 14px;background:#f8f9fb;border:1.5px solid var(--line);border-radius:8px}
.sw input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}
.sw label{font-size:14px;font-weight:500;cursor:pointer}

/* SUMMARY */
.summary{background:#f8f9fb;border:1.5px solid var(--strong);border-radius:10px;padding:14px;margin-top:14px}
.sum-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;font-size:14px}
.sum-row.total{border-top:1.5px solid var(--line);margin-top:6px;padding-top:10px;font-weight:700;font-size:16px}
.sum-row .lbl{color:var(--dim)}
.sum-row .val{font-family:'JetBrains Mono',monospace;font-weight:600}
.sum-row.total .val{color:var(--accent)}

@media screen and (max-width:600px){
  .row2{grid-template-columns:1fr}
  .row3{grid-template-columns:1fr}
}
@media screen and (max-width:600px){
  .btn{padding:9px 11px;font-size:12px}
  .logo{font-size:22px}
  .field input,.field select,.field textarea{font-size:16px}
}