:root{--bg:#f5f2ed;--card:#fff;--ink:#171513;--muted:#726c66;--line:#e7e0d7;--gold:#c5a46a;--gold2:#e7d6b8;--rose:#e8b8c7;--danger:#b44848;--ok:#2e7d5a;--warn:#bd7c22;--shadow:0 12px 35px rgba(28,22,16,.07)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:#111;color:#fff;padding:22px 16px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;padding:4px 8px 24px}.brand-mark{width:43px;height:43px;border:1px solid var(--gold);display:grid;place-items:center;font-family:Georgia,serif;font-weight:700;color:var(--gold);border-radius:12px}.brand strong{display:block}.brand small{display:block;color:#aaa;margin-top:3px;font-size:11px}.sidebar nav{display:grid;gap:7px}.nav-btn{position:relative;border:0;background:transparent;color:#c9c9c9;border-radius:12px;padding:12px 14px;text-align:left;display:flex;gap:11px;align-items:center;cursor:pointer}.nav-btn.active,.nav-btn:hover{background:#24211e;color:white}.nav-btn.active:before{content:"";position:absolute;left:-16px;width:3px;height:26px;background:var(--gold);border-radius:0 3px 3px 0}.badge{margin-left:auto;background:var(--rose);color:#1b1114;border-radius:99px;padding:2px 7px;font-size:11px}.side-footer{margin-top:auto;display:grid;gap:6px}.ghost{background:white;border:1px solid var(--line);padding:9px 12px;border-radius:10px;cursor:pointer}.sidebar .ghost{background:transparent;border-color:#333;color:#bbb}.small{font-size:12px}.danger-text{color:#e08c8c!important}main{min-width:0;padding:26px 30px 50px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.topbar h1{margin:0;font-size:27px}.topbar p{margin:5px 0 0;color:var(--muted)}.primary{background:var(--ink);color:white;border:0;border-radius:11px;padding:12px 17px;cursor:pointer;box-shadow:var(--shadow)}.primary:hover{transform:translateY(-1px)}.full{width:100%;margin-top:8px}.view{display:none}.view.active{display:block}.filter-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}.segmented{display:inline-flex;background:white;border:1px solid var(--line);padding:4px;border-radius:12px;box-shadow:var(--shadow)}.segmented button{border:0;background:transparent;padding:8px 13px;border-radius:8px;cursor:pointer;color:var(--muted)}.segmented button.active{background:var(--ink);color:white}.custom-dates{display:flex;align-items:center;gap:8px}.custom-dates input,.search,.catalog-tools input,.catalog-tools select{background:white;border:1px solid var(--line);padding:10px 12px;border-radius:10px}.hidden{display:none!important}.metric-grid{display:grid;grid-template-columns:repeat(6,minmax(130px,1fr));gap:12px}.metric{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:17px;box-shadow:var(--shadow)}.metric span{font-size:12px;color:var(--muted)}.metric strong{display:block;font-size:24px;margin:9px 0 4px}.metric small{color:#918981}.metric.alert{background:#fff8f0;border-color:#f0d7b7}.dashboard-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:15px;margin-top:15px}.panel{background:var(--card);border:1px solid var(--line);border-radius:17px;padding:19px;box-shadow:var(--shadow)}.wide{grid-row:span 2}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px}.panel h2{font-size:17px;margin:0}.panel p{font-size:12px;color:var(--muted);margin:4px 0 0}.text-btn{background:none;border:0;color:#8e6a2d;cursor:pointer;font-weight:600;font-size:12px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line);padding:10px 8px}td{padding:13px 8px;border-bottom:1px solid #f0ece7}.money{font-variant-numeric:tabular-nums}.status{display:inline-flex;padding:5px 9px;border-radius:99px;font-size:11px;font-weight:700}.status.paid{background:#e7f4ed;color:var(--ok)}.status.partial{background:#fff0d9;color:var(--warn)}.status.pending{background:#fde8e8;color:var(--danger)}.stack,.timeline{display:grid;gap:10px}.quick-debt{border:1px solid var(--line);border-radius:12px;padding:12px}.quick-debt strong,.quick-debt span{display:block}.quick-debt span{font-size:12px;color:var(--muted);margin-top:4px}.quick-debt footer{display:flex;justify-content:space-between;align-items:end;margin-top:10px}.quick-debt footer b{color:var(--danger)}.timeline-item{padding-left:14px;border-left:2px solid var(--gold2);font-size:12px}.timeline-item strong{display:block}.timeline-item span{color:var(--muted)}.empty{padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:12px}.order-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}.order-summary{position:sticky;top:20px}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.section-title>div{display:flex;align-items:center;gap:9px}.step{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--gold2);font-weight:700;font-size:12px}.top-gap{margin-top:28px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.span-2{grid-column:span 2}label{display:grid;gap:6px;font-size:12px;color:var(--muted)}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 11px;background:white;color:var(--ink)}.client-card{border:1px solid var(--line);border-radius:12px;padding:12px;margin-top:10px;background:#faf8f5}.catalog-tools{display:grid;grid-template-columns:1fr 210px;gap:10px;margin-bottom:12px}.catalog{display:grid;grid-template-columns:repeat(3,minmax(160px,1fr));gap:10px}.product-card{border:1px solid var(--line);border-radius:13px;padding:13px;display:grid;gap:10px;background:#fff}.product-card small{color:var(--muted)}.product-card footer{display:flex;justify-content:space-between;align-items:center}.product-card strong{font-size:16px}.add-btn{border:0;background:var(--gold2);border-radius:8px;padding:7px 10px;cursor:pointer}.cart{display:grid;gap:9px;max-height:350px;overflow:auto;margin-bottom:15px}.cart-item{border-bottom:1px solid var(--line);padding-bottom:9px}.cart-item header{display:flex;justify-content:space-between;gap:10px}.cart-item small{color:var(--muted)}.qty-row{display:flex;align-items:center;gap:8px;margin-top:7px}.qty-row button{width:26px;height:26px;border:1px solid var(--line);background:white;border-radius:7px;cursor:pointer}.remove{margin-left:auto;border:0!important;color:var(--danger);width:auto!important}.totals{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin:12px 0}.totals div{display:flex;justify-content:space-between}.totals strong{font-size:23px}.help{font-size:11px!important;text-align:center}.muted{font-size:12px;color:var(--muted)}.cards-list{display:grid;gap:11px}.client-row,.pending-row{display:grid;grid-template-columns:1.3fr repeat(4,.8fr) auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:13px;padding:14px}.client-row small,.pending-row small{display:block;color:var(--muted);margin-top:3px}.debt{color:var(--danger)}.ok{color:var(--ok)}.big-money{font-size:23px}.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:grid;place-items:center;padding:20px;z-index:50}.modal-card{position:relative;background:white;border-radius:18px;width:min(820px,100%);max-height:92vh;overflow:auto;padding:24px}.modal-close{position:absolute;right:14px;top:12px;border:0;background:#f1ede8;border-radius:50%;width:32px;height:32px;cursor:pointer;font-size:20px}.receipt{font-family:Arial,sans-serif;color:#191919}.receipt-head{display:flex;justify-content:space-between;border-bottom:2px solid #1a1a1a;padding-bottom:15px}.receipt-brand{display:flex;gap:12px;align-items:center}.receipt-logo{width:55px;height:55px;border:1px solid #b9975b;display:grid;place-items:center;font-family:Georgia,serif;font-weight:bold}.receipt-meta{text-align:right}.receipt h3{margin:22px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.receipt-client{background:#f7f4ef;padding:12px;border-radius:8px}.receipt table{margin-top:8px}.receipt-total{margin-left:auto;width:300px;margin-top:16px}.receipt-total div{display:flex;justify-content:space-between;padding:6px}.receipt-total .grand{border-top:2px solid #111;font-size:18px;font-weight:bold}.receipt-status{margin-top:18px;border:1px solid #ddd;padding:12px;border-radius:8px}.modal-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.toast{position:fixed;right:22px;bottom:22px;background:#111;color:white;padding:12px 16px;border-radius:10px;z-index:80;box-shadow:var(--shadow)}@media(max-width:1100px){.metric-grid{grid-template-columns:repeat(3,1fr)}.catalog{grid-template-columns:repeat(2,1fr)}}@media(max-width:800px){.app-shell{display:block}.sidebar{position:fixed;z-index:20;bottom:0;top:auto;width:100%;height:auto;padding:8px;background:#111}.brand,.side-footer{display:none}.sidebar nav{display:grid;grid-template-columns:repeat(5,1fr);gap:2px}.nav-btn{justify-content:center;padding:9px 2px;font-size:18px}.nav-btn span{display:none}.nav-btn.active:before{display:none}.badge{position:absolute;right:9px;top:3px}main{padding:18px 14px 90px}.topbar{align-items:flex-start}.topbar h1{font-size:23px}.topbar p{font-size:12px}.topbar .primary{padding:10px 12px}.metric-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.wide{grid-row:auto}.order-layout{grid-template-columns:1fr}.order-summary{position:static}.catalog{grid-template-columns:1fr 1fr}.client-row,.pending-row{grid-template-columns:1fr 1fr}.client-row>div:first-child,.pending-row>div:first-child{grid-column:span 2}.client-row button,.pending-row button{grid-column:span 2}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}}@media(max-width:480px){.metric-grid{grid-template-columns:1fr 1fr}.metric{padding:13px}.metric strong{font-size:20px}.catalog{grid-template-columns:1fr}.catalog-tools{grid-template-columns:1fr}.segmented{width:100%;overflow:auto}.segmented button{white-space:nowrap}.modal{padding:0}.modal-card{border-radius:0;min-height:100vh}.receipt-head{display:block}.receipt-meta{text-align:left;margin-top:12px}.receipt-total{width:100%}}@media print{body>*{display:none!important}#modal{display:block!important;position:static;background:white;padding:0}.modal-card{box-shadow:none;width:100%;max-height:none;padding:0}.modal-close,.modal-actions{display:none!important}.receipt{font-size:12px}}

/* Mobile app refinements */
@supports (padding: max(0px)) {
  .sidebar { padding-bottom: max(8px, env(safe-area-inset-bottom)); }
  main { padding-left: max(14px, env(safe-area-inset-left)); padding-right: max(14px, env(safe-area-inset-right)); }
}
@media(max-width:800px){
  body{overscroll-behavior-y:none;background:#f5f2ed}
  main{padding-top:max(14px,env(safe-area-inset-top));padding-bottom:calc(84px + env(safe-area-inset-bottom))}
  .topbar{position:sticky;top:0;z-index:8;background:rgba(245,242,237,.94);backdrop-filter:blur(12px);margin:-14px -14px 16px;padding:14px;border-bottom:1px solid rgba(231,224,215,.85)}
  .topbar .primary{font-size:0;width:44px;height:44px;padding:0;border-radius:14px;display:grid;place-items:center}
  .topbar .primary::after{content:'＋';font-size:24px;line-height:1}
  .sidebar nav{grid-template-columns:repeat(5,minmax(0,1fr))}
  .nav-btn{min-height:56px;flex-direction:column;gap:2px;font-size:19px;border-radius:10px}
  .nav-btn span{display:block;font-size:9px;line-height:1.05;text-align:center;max-width:64px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .panel{padding:15px;border-radius:15px}
  .metric-grid{gap:9px}
  .metric{min-width:0}
  .metric span,.metric small{font-size:10px}
  .metric strong{font-size:19px;overflow-wrap:anywhere}
  .filter-row{display:block}
  .segmented{display:flex;width:100%;overflow-x:auto;scrollbar-width:none}
  .segmented::-webkit-scrollbar{display:none}
  .segmented button{flex:0 0 auto}
  .table-wrap{margin-left:-15px;margin-right:-15px;padding:0 15px}
  table{min-width:620px}
  .order-main{padding-bottom:8px}
  .order-summary{margin-top:0}
  .catalog{grid-template-columns:1fr}
  .product-card{grid-template-columns:1fr auto;align-items:center}
  .product-card footer{grid-column:2;grid-row:1 / span 2;display:grid;gap:8px;justify-items:end}
  .product-card small{grid-column:1}
  .add-btn{min-width:44px;min-height:38px}
  .client-row,.pending-row{padding:12px}
  .modal-card{padding:18px 14px calc(18px + env(safe-area-inset-bottom))}
}
@media(max-width:390px){
  .metric-grid{grid-template-columns:1fr}
  .metric{display:grid;grid-template-columns:1fr auto;column-gap:10px;align-items:center}
  .metric strong{grid-column:2;grid-row:1 / span 2;margin:0;text-align:right}
  .metric small{grid-column:1}
  .panel-head{align-items:flex-start}
  .panel-head .search{width:44%;min-width:120px}
}

/* v3: mobile-first production corrections */
html,body{max-width:100%;overflow-x:hidden}
@media(max-width:800px){
  .app-shell{display:block;width:100%;min-width:0}
  main{width:100%;min-width:0;padding:14px 12px calc(86px + env(safe-area-inset-bottom))}
  .sidebar{position:fixed!important;left:0!important;right:0!important;bottom:0!important;top:auto!important;width:100vw!important;height:auto!important;z-index:100;padding:6px 8px max(6px,env(safe-area-inset-bottom));box-shadow:0 -8px 24px rgba(0,0,0,.16)}
  .sidebar nav{display:grid!important;grid-template-columns:repeat(5,minmax(0,1fr));width:100%;gap:4px}
  .nav-btn{min-width:0;min-height:56px;padding:6px 2px;justify-content:center;align-items:center}
  .nav-btn span{display:block;font-size:9px;white-space:normal;line-height:1.05;max-width:72px}
  .badge{right:6px;top:2px}
  .topbar{margin:-14px -12px 12px;padding:13px 12px}
  .topbar h1{font-size:22px}
  .topbar p{font-size:11px}
  .filter-row{margin-bottom:12px}
  .segmented{max-width:100%;width:100%;overflow-x:auto;justify-content:flex-start}
  .segmented button{padding:8px 11px;font-size:12px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .metric{padding:12px;min-height:104px}
  .metric span,.metric small{font-size:10px;line-height:1.25}
  .metric strong{font-size:20px;margin:7px 0 3px;white-space:normal}
  .dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin-top:10px}
  .panel{width:100%;min-width:0;padding:14px;border-radius:14px}
  .panel-head{gap:8px;margin-bottom:12px}
  .panel h2{font-size:16px}
  .panel p{font-size:11px}
  .quick-debt footer{align-items:center;gap:8px}
  .quick-debt footer .ghost{flex:0 0 auto}
  .order-layout,.form-grid,.catalog-tools{grid-template-columns:minmax(0,1fr)}
  .catalog{grid-template-columns:minmax(0,1fr)}
  .client-row,.pending-row{grid-template-columns:minmax(0,1fr);gap:8px}
  .client-row>div:first-child,.pending-row>div:first-child,.client-row button,.pending-row button{grid-column:auto}
  .client-row button,.pending-row button{width:100%}
  .panel-head .search{width:100%;min-width:0}
  #clients .panel-head,#receipts .panel-head,#pending .panel-head{display:grid;grid-template-columns:minmax(0,1fr);align-items:start}

  /* Dashboard and receipt tables become readable cards */
  .table-wrap{overflow:visible;margin:0;padding:0}
  .table-wrap table{display:block;width:100%;min-width:0}
  .table-wrap thead{display:none}
  .table-wrap tbody{display:grid;gap:10px}
  .table-wrap tr{display:grid;width:100%;border:1px solid var(--line);border-radius:12px;padding:11px;background:#fff;box-shadow:0 5px 16px rgba(28,22,16,.04)}
  .table-wrap td{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:6px 0;border:0;text-align:right;font-size:12px}
  .table-wrap td::before{content:attr(data-label);font-size:10px;color:var(--muted);font-weight:600;text-align:left}
  .table-wrap td:first-child{padding-top:0;font-size:14px}
  .table-wrap td:first-child::before{display:none}
  .table-wrap td:last-child{padding-bottom:0}
  .table-wrap td[colspan]{display:block;text-align:center}
  .table-wrap td[colspan]::before{display:none}
  .table-wrap .empty{padding:20px}

  .receipt table{display:table;min-width:520px}
  .receipt .table-wrap{overflow-x:auto}
  .receipt .table-wrap thead{display:table-header-group}
  .receipt .table-wrap tbody{display:table-row-group}
  .receipt .table-wrap tr{display:table-row;border:0;padding:0;box-shadow:none}
  .receipt .table-wrap td{display:table-cell;padding:8px;text-align:left}
  .receipt .table-wrap td::before{display:none}
}
@media(max-width:390px){
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric{display:block;min-height:100px}
  .metric strong{text-align:left;margin:7px 0 3px}
}

/* v4 — iPhone/PWA installed mode: safe areas and clean mobile header */
@supports (padding: env(safe-area-inset-top)) {
  body {
    min-height: 100dvh;
  }
}

@media (max-width: 800px) {
  main {
    padding-top: calc(14px + env(safe-area-inset-top, 0px));
    padding-right: calc(12px + env(safe-area-inset-right, 0px));
    padding-bottom: calc(86px + env(safe-area-inset-bottom, 0px));
    padding-left: calc(12px + env(safe-area-inset-left, 0px));
  }

  .topbar {
    margin: 0 0 14px;
    padding: 0;
    min-height: 58px;
    align-items: flex-start;
  }

  .topbar > div {
    min-width: 0;
    padding-top: 2px;
  }

  .topbar h1 {
    line-height: 1.08;
    overflow-wrap: anywhere;
  }

  /* La acción ya existe en la navegación inferior. Evita duplicación y superposición. */
  .top-new-order {
    display: none !important;
  }

  .sidebar {
    padding-right: calc(8px + env(safe-area-inset-right, 0px));
    padding-bottom: max(8px, env(safe-area-inset-bottom, 0px));
    padding-left: calc(8px + env(safe-area-inset-left, 0px));
  }

  .nav-btn {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
}