:root{
  color-scheme:light;
  --bg:#f5f5f4;--surface:#fff;--surface-2:#fafaf9;--border:#e7e5e4;--border-strong:#d6d3d1;
  --text:#1c1917;--text-2:#57534e;--muted:#78716c;
  --accent:#cf4a0a;--accent-hover:#b43e08;--accent-ink:#fff;--accent-text:#c2410c;--accent-soft:#fff1e6;
  --brand:#f97316;--yellow:#f5b82e;
  --ok:#15803d;--warn:#92400e;--danger:#b91c1c;
  --ok-soft:#dcfce7;--warn-soft:#fef3c7;--danger-soft:#fee2e2;
  --side:#1c1b19;--side-text:#a8a29e;
  --r:14px;--r-sm:10px;
  --shadow-sm:0 1px 2px rgba(28,25,23,.06),0 1px 3px rgba(28,25,23,.05);
  --shadow-md:0 14px 36px rgba(28,25,23,.18);
  --ring:0 0 0 3px rgba(249,115,22,.28);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
h1,h2{margin:0;letter-spacing:-.01em}
h2{font-size:16px;font-weight:650}
img{max-width:100%}
a{color:var(--accent-text)}

/* ---------- Estructura ---------- */
.shell{display:flex;min-height:100vh;min-height:100dvh}
.sidebar{width:236px;flex:none;background:linear-gradient(180deg,var(--side),#151412);color:#fff;padding:calc(18px + env(safe-area-inset-top)) 12px 16px;display:flex;flex-direction:column;gap:22px;position:sticky;top:0;height:100vh;height:100dvh;overflow-y:auto}
.brand{display:flex;gap:10px;align-items:center;padding:0 8px;font-weight:700}
.brand-logo{width:38px;height:38px;flex:none;display:block}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center}
.brand-text{font-size:16px;letter-spacing:.01em;color:#fff;line-height:1.1}
.brand-text em{font-style:normal;color:var(--yellow)}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{position:relative;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-sm);color:var(--side-text);text-decoration:none;font-weight:500;transition:background .15s,color .15s}
.nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.nav a.activo{background:rgba(249,115,22,.16);color:#fdba74;font-weight:600}
.nav a.activo::before{content:"";position:absolute;left:-12px;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.ico{width:19px;height:19px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-badge{margin-left:auto;background:var(--yellow);color:#1c1917;border-radius:999px;padding:0 7px;font-size:11px;font-weight:700;line-height:18px;min-width:18px;text-align:center}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:calc(12px + env(safe-area-inset-top)) 28px 12px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.88);-webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px)}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,var(--brand),var(--yellow) 38%,transparent 72%)}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar h1{font-size:21px;font-weight:700;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:16px;flex:none}
.reloj{color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.vista{padding:28px}
.btn-menu{display:none;width:42px;height:42px;padding:0;font-size:22px;line-height:1;flex:none}
.nav-overlay{display:none}

/* ---------- Acceso ---------- */
.login{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:16px;background:radial-gradient(900px 420px at 50% -8%,rgba(249,115,22,.22),transparent 70%),radial-gradient(620px 320px at 92% 100%,rgba(245,184,46,.2),transparent 70%),var(--bg)}
.login-card{width:min(380px,100%);background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:30px 28px 28px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-md)}
.login-logo{display:flex;flex-direction:column;align-items:center;gap:4px}
.login-logo img{width:96px;height:96px}
.login-logo .brand-text{color:var(--text);font-size:19px}
.login-logo .brand-text em{color:var(--accent-text)}
.login-card h1{font-size:15px;font-weight:500;color:var(--muted);text-align:center;margin:0 0 4px}
.login-error{color:var(--danger);background:var(--danger-soft);padding:9px 12px;border-radius:var(--r-sm);margin:0}

/* ---------- Formularios y botones ---------- */
.campo{display:flex;flex-direction:column;gap:5px}
.campo>span{font-size:12px;font-weight:600;color:var(--text-2)}
input,select{font:inherit;color:inherit;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-sm);padding:9px 11px;max-width:100%;transition:border-color .15s,box-shadow .15s}
input::placeholder{color:#a8a29e}
input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}
.btn{font:inherit;font-weight:600;color:var(--text);border:1px solid var(--border-strong);background:var(--surface);padding:9px 16px;border-radius:var(--r-sm);cursor:pointer;box-shadow:var(--shadow-sm);transition:background .15s,border-color .15s,box-shadow .15s,transform .05s}
.btn:hover{background:var(--surface-2);border-color:#a8a29e}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:none;box-shadow:var(--ring)}
.btn.primario{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(207,74,10,.4)}
.btn.primario:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn.grande{width:100%;padding:13px;font-size:16px;border-radius:12px}
.btn.chico{padding:5px 11px;font-size:12px}
.btn.peligro{color:var(--danger);border-color:#fca5a5;background:transparent;box-shadow:none}
.btn.peligro:hover{background:var(--danger-soft);border-color:var(--danger)}
.btn:disabled,input:disabled,select:disabled{opacity:.55;cursor:not-allowed}
.btn:disabled:hover{background:var(--surface)}
.btn.primario:disabled:hover{background:var(--accent)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}

/* ---------- Contenido ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:20px;box-shadow:var(--shadow-sm)}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:1fr 1fr 1fr}
.grid-4{grid-template-columns:1fr 1fr 1fr 1fr}
.stack{display:flex;flex-direction:column;gap:16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.tabla-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse}
.tabla-wrap table{min-width:560px}
th,td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left}
th{background:var(--surface-2);font-size:11px;font-weight:650;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
th:first-child{border-radius:8px 0 0 8px}
th:last-child{border-radius:0 8px 8px 0}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:var(--surface-2)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:650;white-space:nowrap}
.badge.ok{background:var(--ok-soft);color:var(--ok)}
.badge.bajo{background:var(--warn-soft);color:var(--warn)}
.badge.agotado,.badge.anulada{background:var(--danger-soft);color:var(--danger)}
.badge.neutro{background:#f0eeec;color:var(--text-2)}
.neg{color:var(--danger)}
.pos{color:var(--ok)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.93em}
.tile{position:relative;overflow:hidden}
.tile::before{content:"";position:absolute;left:0;top:0;width:38px;height:3px;border-radius:0 0 3px 0;background:linear-gradient(90deg,var(--brand),var(--yellow))}
.tile .valor{font-size:26px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin-top:2px}
.tile .label{font-size:12px;font-weight:600;color:var(--muted)}
.vacio{color:var(--muted);text-align:center;padding:22px}
.acciones{text-align:right;white-space:nowrap}
.nota{color:var(--muted)}
body.solo-lectura [data-solo-admin]{display:none!important}
[hidden]{display:none!important}

/* ---------- Usuario ---------- */
.usuario-menu{position:relative}
.usuario-chip{display:flex;gap:10px;align-items:center;background:none;border:0;cursor:pointer;font:inherit;color:inherit;padding:0}
.usuario-datos{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2;text-align:left}
.usuario-datos b{font-weight:650}
.usuario-datos small{color:var(--muted)}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--yellow));color:#1c1917;display:grid;place-items:center;font-weight:700;flex:none}
.menu{position:absolute;right:0;top:120%;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:5px;min-width:180px;z-index:20;box-shadow:var(--shadow-md)}
.menu button{display:block;width:100%;text-align:left;background:none;border:0;padding:10px 12px;cursor:pointer;font:inherit;color:inherit;border-radius:8px}
.menu button:hover{background:var(--surface-2)}

/* ---------- Avisos y ventanas ---------- */
.toasts{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:8px;z-index:100;max-width:calc(100vw - 32px)}
.toast{background:var(--text);color:#fff;padding:11px 16px;border-radius:12px;box-shadow:var(--shadow-md)}
.toast.error{background:var(--danger)}
.toast.ok{background:var(--ok)}
.modal{border:0;border-radius:20px;padding:0;width:min(640px,94vw);max-height:92vh;overflow:auto;background:var(--surface);color:var(--text);box-shadow:var(--shadow-md)}
.modal::backdrop{background:rgba(28,25,23,.5);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.modal-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-head h2{font-size:18px}
.modal-head .cerrar{background:none;border:0;font-size:26px;line-height:1;cursor:pointer;color:var(--muted);padding:2px 8px;border-radius:8px}
.modal-head .cerrar:hover{background:var(--surface-2);color:var(--text)}
.modal-body{padding:22px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 22px;border-top:1px solid var(--border);background:var(--surface-2)}

/* ---------- Buscador de productos ---------- */
.picker{position:relative}
.picker-lista{position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:12px;width:100%;max-height:300px;overflow-y:auto;z-index:20;box-shadow:var(--shadow-md);margin-top:4px}
.picker-item{padding:10px 12px;cursor:pointer;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.picker-item.sel,.picker-item:hover{background:var(--accent-soft)}
.qty{display:inline-flex;gap:4px;align-items:center}
.qty input{width:50px;text-align:center}
.resumen .linea{display:flex;justify-content:space-between}
.resumen .total{font-size:24px;font-weight:700;border-top:1px solid var(--border);padding-top:8px}
.segmentado{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--r-sm);overflow:hidden}
.segmentado button{border:0;background:var(--surface);padding:8px 12px;cursor:pointer;font:inherit}
.segmentado button.activo{background:var(--accent);color:#fff}
.pos-layout{display:grid;grid-template-columns:1fr 340px;gap:16px}

/* ---------- Impresión (recibo) ---------- */
.print-area{display:none}
@media print{body>*:not(.print-area){display:none!important}.print-area{display:block}body{padding:0;background:#fff}}

/* ---------- Pantallas táctiles: controles más grandes ---------- */
@media (pointer:coarse){
  .btn{min-height:44px}
  .btn.chico{min-height:38px;padding:6px 13px}
  input:not([type=checkbox]):not([type=radio]),select{min-height:44px}
  .menu button{padding:13px 12px}
}

/* ---------- Tablet y PC pequeño ---------- */
@media (max-width:1100px){
  .grid-4{grid-template-columns:1fr 1fr}
  .vista{padding:22px}
  .topbar{padding-left:22px;padding-right:22px}
}

/* ---------- Tablet vertical y celular: menú lateral deslizable ---------- */
@media (max-width:900px){
  .btn-menu{display:inline-flex;align-items:center;justify-content:center}
  .sidebar{position:fixed;top:0;left:0;bottom:0;z-index:50;width:min(285px,84vw);transform:translateX(-105%);transition:transform .22s ease;padding-left:calc(12px + env(safe-area-inset-left))}
  body.nav-abierto .sidebar{transform:none;box-shadow:0 0 44px rgba(0,0,0,.4)}
  body.nav-abierto .nav-overlay{display:block;position:fixed;inset:0;z-index:40;background:rgba(28,25,23,.5);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
  body.nav-abierto{overflow:hidden}
  .nav a{padding:13px 12px;font-size:15px}
  .topbar{padding-left:16px;padding-right:16px}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .pos-layout{grid-template-columns:1fr}
  .reloj{display:none}
}

/* ---------- Celular ---------- */
@media (max-width:600px){
  .vista{padding:12px}
  .topbar h1{font-size:18px}
  .topbar-right{gap:10px}
  .usuario-datos{display:none}
  .card{padding:14px;border-radius:12px}
  .grid,.stack{gap:12px}
  .tile .valor{font-size:20px}
  .form-grid{grid-template-columns:1fr}
  .row>.campo{flex:1 1 140px}
  .row>.campo input,.row>.campo select{width:100%}
  .toasts{left:12px;right:12px;max-width:none}
  .modal{width:100vw;max-width:100vw;max-height:94vh;margin:auto 0 0;border-radius:20px 20px 0 0}
  .modal-body{padding:16px}
  .modal-head,.modal-foot{padding-left:16px;padding-right:16px}
  .modal-foot{padding-bottom:calc(14px + env(safe-area-inset-bottom))}
  .login-card{padding:24px 20px}
}