:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#667085;--primary:#173d6b;--primary2:#245996;--border:#e3e8ef;--danger:#b42318;--success:#067647;--shadow:0 10px 30px rgba(20,40,70,.08)}*{box-sizing:border-box}html{color-scheme:light dark}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.45}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:10px 24px;background:#102f54;color:#fff;box-shadow:0 4px 20px rgba(0,0,0,.15)}.brand{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-weight:800;white-space:nowrap}.brandmark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#fff;color:#173d6b;font-weight:900}.brandmark.big{width:70px;height:70px;border-radius:20px;margin:auto;font-size:23px;background:#173d6b;color:#fff}.topbar nav{display:flex;gap:4px;flex:1;overflow:auto}.topbar nav a{color:#dbe9f7;text-decoration:none;padding:8px 10px;border-radius:8px;white-space:nowrap;font-size:14px}.topbar nav a:hover{background:rgba(255,255,255,.1);color:#fff}.userbox{display:flex;align-items:center;gap:10px;font-size:13px}.linkbtn{border:0;background:transparent;color:#fff;text-decoration:underline;cursor:pointer}.navtoggle{display:none}.container{max-width:1500px;margin:0 auto;padding:26px}.auth-container{min-height:100vh;display:grid;place-items:center}.login-card{width:min(420px,92vw);background:var(--card);padding:36px;border-radius:24px;box-shadow:var(--shadow);text-align:center}.login-card h1{margin-bottom:2px}.muted{color:var(--muted)}h1,h2,h3{line-height:1.15}h1{font-size:27px;margin:0 0 4px}.pagehead{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.pagehead p{margin:5px 0;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:var(--shadow);margin-bottom:20px}.narrow{max-width:900px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:20px}.stats article{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:17px;box-shadow:var(--shadow)}.stats span{display:block;color:var(--muted);font-size:13px}.stats strong{display:block;font-size:23px;margin-top:6px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--card);color:var(--text);padding:10px 14px;border-radius:10px;text-decoration:none;cursor:pointer;font-weight:700}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.primary:hover{background:var(--primary2)}.btn.ghost{background:transparent}.btn.small{padding:6px 9px;font-size:12px}.stack{display:grid;gap:14px;text-align:left}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.formgrid .wide{grid-column:1/-1}label{display:grid;gap:6px;font-size:13px;font-weight:700}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd8e4;border-radius:10px;background:var(--card);color:var(--text);font:inherit;outline:none}input:focus,select:focus{border-color:#4f8ac9;box-shadow:0 0 0 3px rgba(79,138,201,.13)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--border);vertical-align:middle}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.tablewrap{overflow:auto}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef3f8;font-size:12px}.badge.ok{background:#dcfae6;color:#067647}.low td{background:#fff7ed}.alert{padding:12px 15px;border-radius:11px;margin-bottom:16px}.alert.success{background:#dcfae6;color:#067647}.alert.danger{background:#fee4e2;color:#b42318}.variant-row{display:grid;grid-template-columns:1fr 1.2fr 1.5fr .7fr;gap:8px;margin:8px 0}.pos-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:20px}.search-results{border:1px solid var(--border);border-radius:10px;margin:6px 0 16px;max-height:230px;overflow:auto;display:none}.search-results.show{display:block}.search-item{padding:10px 12px;border-bottom:1px solid var(--border);cursor:pointer}.search-item:hover{background:#eff5fb}.selected-box{padding:12px;background:#eef4fb;border-radius:10px;margin-bottom:18px}.scanner-note{font-size:12px;color:var(--muted);padding-top:6px}.totals{margin-left:auto;width:min(420px,100%);display:grid;gap:7px;margin-top:14px}.totals>div{display:flex;justify-content:space-between}.totals .grand{font-size:22px;border-top:2px solid var(--border);padding-top:10px}.checkout{margin-top:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:13px;padding-top:18px;border-top:1px solid var(--border)}.checkout .change{display:flex;align-items:center;justify-content:space-between;background:#eef4fb;padding:12px;border-radius:10px}.checkout .actions{display:flex;gap:8px;align-items:end;justify-content:flex-end}.inline{display:flex;gap:6px}.checks{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px}.checks label{display:flex;align-items:center;gap:6px}.checks input{width:auto}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}hr{border:0;border-top:1px solid var(--border);margin:20px 0}@media(max-width:1100px){.stats{grid-template-columns:repeat(3,1fr)}.topbar nav{display:none}.navtoggle{display:block;background:none;border:0;color:#fff;font-size:20px}.navopen .topbar{flex-wrap:wrap}.navopen .topbar nav{display:flex;order:4;width:100%}}@media(max-width:800px){.container{padding:16px}.grid2,.pos-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.formgrid,.checkout{grid-template-columns:1fr}.variant-row{grid-template-columns:1fr 1fr}.pagehead{align-items:flex-start;flex-direction:column}.userbox span{display:none}}@media(prefers-color-scheme:dark){:root{--bg:#0f1722;--card:#17212f;--text:#ecf2f9;--muted:#a8b3c2;--border:#2b3a4d;--shadow:none}.low td{background:#382d20}.selected-box,.checkout .change{background:#1d2d40}.search-item:hover{background:#203247}}

.actions-right{display:flex;justify-content:flex-end;align-items:center;gap:14px;margin-top:16px}.row-actions{display:flex;flex-wrap:wrap;gap:7px;align-items:center}.modal{width:min(900px,94vw);max-height:90vh;overflow:auto;border:1px solid var(--border);border-radius:18px;background:var(--card);color:var(--text);padding:24px}.modal::backdrop{background:rgba(0,0,0,.5)}.dialog-close{float:right;border:0;background:transparent;font-size:25px;color:var(--text);cursor:pointer}.input-action{display:flex;gap:7px}.input-action input{flex:1}.scanner-box{padding:10px;border:1px solid var(--border);border-radius:12px;margin:8px 0}.scanner-box #reader{max-width:420px;margin:auto}.checkline{display:flex;align-items:center;gap:8px}.checkline input{width:auto}.grand-total{text-align:right;font-size:18px}.cash-stats{grid-template-columns:repeat(4,1fr)}@media(max-width:800px){.cash-stats{grid-template-columns:repeat(2,1fr)}.row-actions,.actions-right{align-items:stretch}.row-actions .inline{flex-wrap:wrap}.input-action{align-items:stretch}}

/* ===== Instituto Mendoza UI v3.1: identidad institucional ===== */
:root{--brand-blue:#0b3b8f;--brand-red:#c51f30;--page-bg:#ffffff;--im-blue:var(--brand-blue);--im-blue-2:#1559b7;--im-blue-soft:#eaf2ff;--im-red:var(--brand-red);--im-red-2:#e43c4d;--im-red-soft:#fff0f2;--im-white:#fff;--im-ink:#14213d;--im-line:#dce5f1;--sidebar-w:274px;--top-h:68px;--bg:#f7f9fc;--card:#fff;--text:#14213d;--muted:#67758b;--primary:#0b3b8f;--primary2:#1559b7;--border:#dce5f1;--shadow:0 12px 34px rgba(11,59,143,.09)}
html{color-scheme:light}body{background:linear-gradient(145deg,var(--page-bg) 0,#f7f9fc 55%,#eef4ff 100%);min-height:100vh;color:var(--im-ink)}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);z-index:40;display:flex;flex-direction:column;background:linear-gradient(180deg,#092f76 0%,#0b3b8f 52%,#08275d 100%);color:#fff;box-shadow:10px 0 30px rgba(8,39,93,.16);overflow:hidden}
.sidebar::before{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(197,31,48,.28);right:-75px;top:-65px;filter:blur(2px)}
.side-brand{position:relative;display:flex;align-items:center;gap:12px;padding:18px 16px;color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.12)}
.side-brand .brandmark{width:46px;height:46px;border-radius:15px;background:linear-gradient(145deg,#fff,#e8eff9);color:var(--im-blue);box-shadow:0 6px 0 rgba(0,0,0,.13),0 11px 22px rgba(0,0,0,.18);border:3px solid rgba(255,255,255,.7)}
.side-brand strong{display:block;font-size:15px;letter-spacing:.01em}.side-brand small{display:block;margin-top:3px;color:#c9d9f3;font-size:11px}.side-nav{position:relative;padding:12px 11px 24px;overflow:auto;flex:1;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.25) transparent}.nav-section{padding:13px 10px 7px;color:#9fbae4;font-size:10px;text-transform:uppercase;letter-spacing:.13em;font-weight:900}.side-link{position:relative;display:flex;align-items:center;gap:11px;color:#e7effc;text-decoration:none;padding:10px 11px;margin:4px 0;border-radius:13px;font-size:13px;font-weight:750;border:1px solid transparent;transition:.18s ease;transform:translateZ(0)}
.side-link:hover{color:#fff;background:linear-gradient(145deg,rgba(255,255,255,.15),rgba(255,255,255,.07));border-color:rgba(255,255,255,.16);transform:translateY(-1px);box-shadow:0 5px 0 rgba(2,20,51,.28),0 10px 18px rgba(2,20,51,.2)}
.side-link.active{color:#fff;background:linear-gradient(145deg,var(--im-red-2),var(--im-red));border-color:#ef6472;box-shadow:0 5px 0 #87141f,0 11px 20px rgba(122,15,31,.34);transform:translateY(-2px)}
.nav-icon{width:34px;height:34px;min-width:34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(145deg,rgba(255,255,255,.22),rgba(255,255,255,.08));box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 3px 7px rgba(0,0,0,.13)}.nav-icon svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.side-link.active .nav-icon{background:linear-gradient(145deg,#fff,#f0f4fb);color:var(--im-red);box-shadow:0 3px 0 rgba(113,9,21,.25),0 6px 12px rgba(86,7,18,.18)}
.appbar{position:fixed;left:var(--sidebar-w);right:0;top:0;height:var(--top-h);z-index:30;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:10px 24px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--im-line);box-shadow:0 5px 20px rgba(11,59,143,.06)}.appbar-title strong{display:block;color:var(--im-blue);font-size:16px}.appbar-title small{color:var(--muted);font-size:11px}.user-pill{padding:7px 10px;border-radius:999px;background:var(--im-blue-soft);color:var(--im-blue);font-weight:800}.navtoggle{display:none;border:0;background:var(--im-blue);color:#fff;width:40px;height:40px;border-radius:11px;font-size:20px;box-shadow:0 4px 0 #062357;cursor:pointer}
.container:not(.auth-container){max-width:none;margin-left:var(--sidebar-w);padding:calc(var(--top-h) + 25px) 28px 30px;min-height:100vh}.sidebar-backdrop{display:none}.pagehead h1{color:var(--im-blue);letter-spacing:-.02em}.pagehead h1::after{content:"";display:block;width:48px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--im-red),var(--im-red-2));margin-top:9px}.card{border:1px solid #e0e7f1;border-radius:20px;box-shadow:0 12px 30px rgba(16,48,95,.08),0 2px 0 rgba(255,255,255,.8) inset}.btn{border-radius:12px;border-color:#d7e0ec;background:linear-gradient(180deg,#fff,#f5f8fc);box-shadow:0 3px 0 #cbd5e3,0 6px 12px rgba(15,42,80,.07);transition:.15s ease}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 0 #c3cfde,0 9px 15px rgba(15,42,80,.1)}.btn:active{transform:translateY(2px);box-shadow:0 1px 0 #c3cfde}.btn.primary{background:linear-gradient(145deg,var(--im-blue-2),var(--im-blue));border-color:#0a3480;box-shadow:0 4px 0 #06265e,0 8px 15px rgba(11,59,143,.2)}.btn.primary:hover{background:linear-gradient(145deg,#1d68cf,#0c419c);box-shadow:0 5px 0 #06265e,0 11px 18px rgba(11,59,143,.24)}
input:focus,select:focus,textarea:focus{border-color:var(--im-blue-2);box-shadow:0 0 0 3px rgba(21,89,183,.12)}.selected-box{background:linear-gradient(145deg,#edf4ff,#f9fbff);border:1px solid #cfdffc;color:var(--im-ink)}.search-item:hover{background:var(--im-blue-soft)}.totals .grand{color:var(--im-blue)}.checkout .change{background:linear-gradient(145deg,var(--im-red-soft),#fff);border:1px solid #ffd3d8;color:#831520}.badge.ok{box-shadow:inset 0 0 0 1px rgba(6,118,71,.1)}
.section-pricing{margin:18px 0;padding:17px;border-radius:17px;background:linear-gradient(135deg,#f7faff,#fff6f7);border:1px solid #dce6f5}.section-pricing h3{margin:0 0 4px;color:var(--im-blue)}.section-pricing p{margin:0 0 14px}.section-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.section-price-grid label{background:#fff;border:1px solid #e1e8f2;padding:12px;border-radius:13px;box-shadow:0 5px 12px rgba(11,59,143,.05)}.section-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}.section-dot.preschool{background:#f0a500}.section-dot.primary-school{background:var(--im-blue-2)}.section-dot.secondary-school{background:var(--im-red)}.price-context{display:inline-flex;align-items:center;gap:5px;margin-top:4px;padding:3px 7px;border-radius:999px;font-size:10px;font-weight:800;background:var(--im-red-soft);color:#9d1725;border:1px solid #ffd2d7}.customer-section-banner{display:flex;gap:8px;align-items:center;margin-top:8px;font-size:12px;color:var(--im-blue);font-weight:800}.customer-section-banner::before{content:"SECCIÓN";font-size:9px;letter-spacing:.08em;background:var(--im-blue);color:#fff;border-radius:999px;padding:3px 6px}
@media(max-width:1000px){.sidebar{transform:translateX(-105%);transition:.22s ease}.appbar{left:0}.container:not(.auth-container){margin-left:0}.navtoggle{display:grid;place-items:center}.navopen .sidebar{transform:translateX(0)}.navopen .sidebar-backdrop{display:block;position:fixed;inset:0;z-index:35;background:rgba(5,19,42,.48);backdrop-filter:blur(2px)}}
@media(max-width:800px){.appbar{padding:9px 13px}.appbar-title small,.user-pill{display:none}.container:not(.auth-container){padding:calc(var(--top-h) + 14px) 14px 24px}.section-price-grid{grid-template-columns:1fr}.side-link{padding:11px 12px}.sidebar{width:min(290px,86vw)}}

/* ===== Instituto Mendoza POS v3.2 ===== */
.product-editor-card{max-width:1180px}.editor-section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-top:20px}.editor-section-title h3{margin-bottom:4px}.variant-editor-list{display:grid;gap:10px}.edit-variant-row{grid-template-columns:1fr 1.25fr 1.5fr .7fr .45fr;align-items:end;background:#f8faff;border:1px solid #e0e8f4;border-radius:15px;padding:12px}.variant-active{place-items:center}.variant-active input{width:22px;height:22px}
.price-list-layout{grid-template-columns:minmax(280px,.62fr) minmax(600px,1.38fr)}.price-list-cards{display:grid;gap:9px}.price-list-card{display:grid;grid-template-columns:1fr auto;gap:5px 12px;padding:12px;border:1px solid var(--border);border-radius:14px;text-decoration:none;color:var(--text);background:#fff}.price-list-card>div{display:grid}.price-list-card small{color:var(--muted)}.price-list-card.selected{border-color:var(--im-blue-2);box-shadow:0 0 0 3px rgba(21,89,183,.11);background:var(--im-blue-soft)}.price-list-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.price-matrix input{min-width:110px;padding:8px}.empty-state{text-align:center;padding:50px 20px;color:var(--muted)}.empty-state h2{color:var(--im-blue)}.empty-icon{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;margin:0 auto 14px;background:linear-gradient(145deg,var(--im-blue-2),var(--im-blue));color:#fff;font-size:26px;font-weight:900;box-shadow:0 6px 0 #06265e}
.pos-shell{max-width:1700px;margin:0 auto}.pos-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:16px;padding:2px 4px}.pos-kicker{font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--im-red)}.pos-toolbar h1{margin:3px 0 5px;color:var(--im-blue);font-size:30px}.pos-toolbar p{margin:0;color:var(--muted)}.pos-toolbar-actions{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#fff;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12px;box-shadow:var(--shadow)}.pos-status-dot{width:9px;height:9px;border-radius:50%;background:#18a05e;box-shadow:0 0 0 4px rgba(24,160,94,.12)}
.pos-workspace{display:grid;grid-template-columns:minmax(330px,.76fr) minmax(620px,1.24fr);gap:18px;align-items:start}.pos-catalog-panel,.pos-cart-panel{background:#fff;border:1px solid #dce5f1;border-radius:22px;box-shadow:0 16px 35px rgba(11,59,143,.09);padding:18px}.pos-catalog-panel{position:sticky;top:calc(var(--top-h) + 18px)}.pos-panel-title,.cart-heading>div{display:flex;align-items:center;gap:10px}.pos-panel-title{margin-bottom:11px}.pos-panel-title.product-title{margin-top:20px}.pos-panel-title strong,.cart-heading strong{display:block;color:var(--im-blue)}.pos-panel-title small,.cart-heading small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.pos-step{width:31px;height:31px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(145deg,var(--im-blue-2),var(--im-blue));color:#fff;font-weight:900;box-shadow:0 4px 0 #06265e}.pos-step.red{background:linear-gradient(145deg,var(--im-red-2),var(--im-red));box-shadow:0 4px 0 #87141f}.pos-search-field{position:relative;display:flex;align-items:center}.pos-search-field .search-glyph{position:absolute;left:12px;z-index:1;color:var(--im-blue);font-size:23px;line-height:1}.pos-search-field input{padding-left:40px;padding-right:45px;height:48px;border-radius:14px;background:#fbfcff}.icon-action{position:absolute;right:6px;width:36px;height:36px;border:0;border-radius:10px;color:#fff;background:linear-gradient(145deg,var(--im-red-2),var(--im-red));box-shadow:0 3px 0 #8d1722;cursor:pointer}.modern-results{position:relative;z-index:12;margin-top:6px;max-height:300px;border-radius:14px;box-shadow:0 16px 28px rgba(16,48,95,.13)}.modern-results .search-item{padding:12px}.modern-results .search-item b{color:var(--im-blue)}.customer-card{display:flex;align-items:center;gap:12px;min-height:74px;margin-top:12px;padding:13px;border-radius:16px;border:1px solid #d6e2f4;background:linear-gradient(145deg,#f5f9ff,#fff)}.customer-card.empty{color:var(--muted)}.customer-card .customer-avatar{width:44px;height:44px;min-width:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,var(--im-blue-2),var(--im-blue));color:#fff;font-weight:900;box-shadow:0 4px 0 #06265e}.customer-card strong,.customer-card small{display:block}.customer-card small{color:var(--muted);font-size:11px;margin-top:3px}.customer-card .customer-section-banner{margin-top:5px}.scanner-note{margin-top:12px;padding:10px 12px;border-radius:12px;background:#f8faff;border:1px dashed #cbd9ec}.cart-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:13px}.cart-empty{min-height:260px;display:grid;place-items:center;align-content:center;text-align:center;gap:6px;color:var(--muted)}.cart-empty strong{color:var(--im-blue);font-size:17px}.cart-empty-icon{font-size:42px;filter:grayscale(.15)}.cart-cards{display:grid;gap:10px;margin-top:14px;max-height:50vh;overflow:auto;padding-right:3px}.cart-item-card{display:grid;grid-template-columns:minmax(180px,1fr) auto auto auto;gap:12px;align-items:center;padding:12px;border:1px solid #e0e7f1;border-radius:16px;background:linear-gradient(145deg,#fff,#fbfcff);box-shadow:0 5px 14px rgba(11,59,143,.05)}.cart-product strong{display:block;color:var(--im-blue)}.cart-product small{display:block;color:var(--muted);margin-top:2px}.cart-price{font-weight:900;color:var(--im-ink);white-space:nowrap}.qty-stepper{display:flex;align-items:center;border:1px solid #d7e1ef;border-radius:11px;overflow:hidden;background:#fff}.qty-stepper button{width:31px;height:34px;border:0;background:#eef4ff;color:var(--im-blue);font-size:18px;font-weight:900;cursor:pointer}.qty-stepper input{width:44px;border:0;border-radius:0;padding:6px 3px;text-align:center;box-shadow:none}.discount-control{display:grid;grid-template-columns:65px 78px auto;gap:5px;align-items:center}.discount-control select,.discount-control input{padding:7px 8px}.line-total{font-size:15px;font-weight:900;color:var(--im-blue);white-space:nowrap}.remove-item{border:0;background:var(--im-red-soft);color:var(--im-red);width:30px;height:30px;border-radius:9px;cursor:pointer;font-weight:900}.pos-summary{margin-top:16px;margin-left:auto;width:min(480px,100%);display:grid;gap:7px;padding:14px 16px;border-radius:17px;background:#f8faff;border:1px solid #dce7f6}.pos-summary>div{display:flex;justify-content:space-between;align-items:center}.pos-summary .discount-value{color:var(--im-red)}.pos-summary .pos-total{margin-top:4px;padding-top:10px;border-top:2px solid #cfdced;font-size:20px;color:var(--im-blue)}.pos-summary .pos-total strong{font-size:29px}.checkout-modern{margin-top:14px;padding:14px;border:1px solid var(--border);border-radius:17px;background:#fff;grid-template-columns:repeat(2,1fr)}.change-modern{min-height:64px}.change-modern strong{font-size:22px}.pos-actions{display:grid;grid-template-columns:auto auto minmax(220px,1fr);gap:9px;margin-top:12px}.action-secondary{min-height:50px}.checkout-main{display:flex;justify-content:space-between;min-height:54px;padding-inline:18px;font-size:15px}.checkout-main strong{font-size:20px}.price-source-badge{display:inline-flex;margin-top:5px;padding:3px 7px;border-radius:999px;background:var(--im-red-soft);color:#9d1725;border:1px solid #ffd2d7;font-size:10px;font-weight:800}.price-source-badge.list{background:var(--im-blue-soft);color:var(--im-blue);border-color:#cddffc}
@media(max-width:1200px){.price-list-layout,.pos-workspace{grid-template-columns:1fr}.pos-catalog-panel{position:static}.cart-cards{max-height:none}.cart-item-card{grid-template-columns:1fr auto auto}.discount-control{grid-column:1/-1}.price-list-layout{display:grid}}
@media(max-width:800px){.edit-variant-row{grid-template-columns:1fr 1fr}.variant-active{place-items:start}.pos-toolbar{align-items:flex-start;flex-direction:column}.pos-toolbar-actions{display:none}.pos-catalog-panel,.pos-cart-panel{padding:13px;border-radius:17px}.cart-item-card{grid-template-columns:1fr auto}.cart-price{grid-column:2}.qty-stepper{grid-column:1}.discount-control{grid-column:1/-1}.pos-actions{grid-template-columns:1fr 1fr}.checkout-main{grid-column:1/-1}.checkout-modern{grid-template-columns:1fr}.price-list-head{flex-direction:column}.price-matrix{max-height:65vh}}

/* ===== V4: terminal comercial y administración avanzada ===== */
.permission-user{display:flex;justify-content:space-between;gap:16px;align-items:center}.permission-user h2{margin:0}.permission-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0 18px}.permission-module{grid-column:1/-1;color:var(--im-blue);margin:12px 0 2px;border-bottom:1px solid var(--border);padding-bottom:6px}.permission-card{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--border);border-radius:14px;background:#fbfcff}.permission-card input{width:20px;height:20px;flex:0 0 auto}.permission-card span{display:grid}.permission-card small{color:var(--muted);font-weight:500}.product-thumb,.result-thumb{width:48px;height:48px;object-fit:cover;border-radius:12px;border:1px solid var(--border);background:#eef4ff}.product-thumb.placeholder{display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--im-blue-2),var(--im-blue));font-weight:900}.result-thumb{float:left;margin-right:9px;width:42px;height:42px}.quick-categories{display:flex;gap:7px;overflow:auto;padding:2px 0 10px;scrollbar-width:thin}.quick-category{border:1px solid #cdd9ea;background:#fff;color:var(--im-blue);padding:8px 11px;border-radius:12px;font-weight:800;white-space:nowrap;cursor:pointer;box-shadow:0 3px 0 #d8e2ef}.quick-category:hover,.quick-category.active{background:var(--im-blue);color:#fff;border-color:var(--im-blue);box-shadow:0 3px 0 #06265e}.quick-category.favorite.active{background:var(--im-red);border-color:var(--im-red);box-shadow:0 3px 0 #87141f}.promotion-control{grid-column:1/-1}.promotion-control select{padding:7px 8px;border-color:#f0c96a;background:#fffaf0}.alert-list{display:grid;gap:10px}.alert-item{display:flex;justify-content:space-between;gap:16px;padding:14px;border:1px solid var(--border);border-radius:14px}.alert-item h3{margin:6px 0 3px}.alert-item p{margin:0;color:var(--muted)}.alert-item.critical{border-left:5px solid var(--im-red)}.alert-item.warning{border-left:5px solid #e7a400}.alert-item.info{border-left:5px solid var(--im-blue)}.update-row,.purchase-head{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:12px 0;border-bottom:1px solid var(--border)}.update-row div,.purchase-head div{display:grid}.update-row small,.purchase-head small{color:var(--muted)}.receive-box{margin-top:12px;border:1px solid #d9e4f3;border-radius:14px;padding:10px;background:#f9fbff}.receive-box summary{cursor:pointer;font-weight:900;color:var(--im-blue)}.receipt-card{max-width:620px;margin-inline:auto;text-align:center}.receipt-total{font-size:42px;font-weight:900;color:var(--im-blue);margin:20px}.dashboard-stats{grid-template-columns:repeat(4,1fr)}.check{display:flex;align-items:center;gap:8px}.check input{width:auto}.formgrid textarea{min-height:90px}.purchase-card{overflow:hidden}
@media(max-width:1000px){.permission-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.permission-grid{grid-template-columns:1fr}.permission-user,.update-row,.purchase-head,.alert-item{align-items:flex-start;flex-direction:column}.quick-category{padding:10px 13px}.dashboard-stats{grid-template-columns:1fr 1fr}}

/* ===== V4.1.2: interfaz compacta ===== */
:root{--sidebar-w:232px;--top-h:60px}.side-brand{gap:9px;padding:11px 12px}.side-brand .brandmark{width:36px;height:36px;border-radius:11px}.side-brand strong{font-size:13px}.side-brand small{font-size:9px;margin-top:1px}.side-nav{padding:5px 7px 12px}.nav-section{padding:8px 8px 3px;font-size:8.5px}.side-link{gap:8px;padding:6px 8px;margin:2px 0;border-radius:10px;font-size:11.5px}.nav-icon{width:27px;height:27px;min-width:27px;border-radius:8px}.nav-icon svg{width:16px;height:16px}.appbar{padding:7px 17px}.container:not(.auth-container){padding:calc(var(--top-h) + 16px) 18px 22px}.cart-empty{display:none!important;min-height:0!important}.cart-cards:empty{display:none!important;margin:0!important}.pos-cart-panel{min-height:0}.pos-summary{margin-top:10px}.checkout-modern{margin-top:10px}.pos-actions{margin-top:9px}
@media(max-width:1366px) and (min-width:1001px){:root{--sidebar-w:214px}.side-brand small{display:none}.side-link{font-size:11px}.container:not(.auth-container){padding-left:14px;padding-right:14px}.pos-workspace{gap:12px}.pos-catalog-panel,.pos-cart-panel{padding:13px}}

/* ===== V4.1.5 corrección de sucursales y acciones administrativas ===== */
.branch-edit-form{margin-bottom:0}.branch-actions{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;margin-top:14px;overflow-x:auto;padding:2px 2px 7px}.branch-actions>.btn,.branch-toggle-form{flex:0 0 auto}.branch-actions .btn{padding:7px 10px;font-size:12px}.branch-toggle-form,.admin-actions{display:flex;align-items:center;gap:8px;margin:0;white-space:nowrap}.admin-actions{flex-wrap:nowrap}.admin-actions form{margin:0}.actions-cell{min-width:235px;white-space:nowrap}.users-table{min-width:820px}
@media(max-width:600px){.branch-actions{align-items:center;flex-wrap:nowrap;overflow-x:auto}.branch-actions>.btn,.branch-toggle-form{flex:0 0 auto}.actions-cell{min-width:225px}}

/* ===== V4.1.6: tickets por sucursal ===== */
.branch-admin-layout{display:grid;grid-template-columns:minmax(320px,.72fr) minmax(520px,1.28fr);gap:20px;align-items:start}.branch-new-card{position:sticky;top:calc(var(--top-h) + 16px)}.branch-record-list{display:grid;gap:16px}.branch-record{padding:17px;border:1px solid var(--border);border-radius:17px;background:#fbfcff}.branch-record-head{display:flex;justify-content:space-between;align-items:start;gap:12px;margin-bottom:14px}.branch-record-head h3{margin:0;color:var(--im-blue)}.branch-record-head small,.inherit-note,.ticket-config small{color:var(--muted)}.ticket-config{border:1px solid #d8e3f2;border-radius:14px;background:#fff;overflow:hidden}.ticket-config summary{padding:11px 13px;cursor:pointer;font-weight:900;color:var(--im-blue);background:#f3f7fd}.ticket-config[open] summary{border-bottom:1px solid #d8e3f2}.ticket-config>.formgrid{padding:14px}.inherit-note{margin:0;padding:9px 11px;border-radius:10px;background:var(--im-blue-soft);font-size:12px}.ticket-logo-current{display:flex;align-items:center;gap:12px;margin-top:7px}.ticket-logo-current>img{width:82px;height:54px;object-fit:contain;border:1px solid var(--border);border-radius:10px;background:#fff}.ticket-logo-current .checkline{font-weight:700}.branch-record .branch-actions{border-top:1px solid var(--border);padding-top:14px}
@media(max-width:1100px){.branch-admin-layout{grid-template-columns:1fr}.branch-new-card{position:static}}

/* ===== V4.1.6: venta persistente y controles visibles ===== */
@media(min-width:1201px){.pos-cart-panel{position:sticky;top:calc(var(--top-h) + 16px);height:calc(100vh - var(--top-h) - 32px);display:flex;flex-direction:column;overflow:hidden}.pos-cart-panel .cart-heading{flex:0 0 auto}.pos-cart-panel .cart-cards{flex:1 1 auto;min-height:90px;max-height:none;overflow-y:auto}.pos-checkout-dock{flex:0 0 auto;background:#fff;padding-top:1px}.pos-checkout-dock .pos-summary{padding:10px 14px}.pos-checkout-dock .pos-summary .pos-total{padding-top:7px}.pos-checkout-dock .pos-summary .pos-total strong{font-size:25px}.pos-checkout-dock .checkout-modern{padding:10px}.pos-checkout-dock .checkout-modern input,.pos-checkout-dock .checkout-modern select{padding:8px 10px}.pos-checkout-dock .change-modern{min-height:50px}.pos-checkout-dock .action-secondary,.pos-checkout-dock .checkout-main{min-height:46px}}
@media(max-width:1200px) and (min-width:801px){.pos-checkout-dock{position:sticky;bottom:0;z-index:10;padding:8px 0 2px;background:#fff;border-top:1px solid var(--border);box-shadow:0 -10px 24px rgba(11,59,143,.08)}}
@media(max-width:800px){.pos-actions{position:sticky;bottom:0;z-index:10;padding:8px 0 2px;background:#fff;box-shadow:0 -8px 20px rgba(11,59,143,.08)}}

/* ===== V4.1.6: carrito compacto y selección masiva ===== */
#cashWrap[hidden],#initialWrap[hidden]{display:none!important}.customer-bulk-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;padding:10px 12px;border:1px solid var(--border);border-radius:13px;background:#f8faff}.customer-bulk-toolbar>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.select-cell{width:42px;text-align:center}.select-cell input{width:18px;height:18px;margin:0}.customer-bulk-toolbar .danger{background:#fff5f5;color:var(--im-red);border-color:#ffc9cf}
@media(min-width:801px){.pos-cart-panel .cart-cards{gap:7px;margin-top:8px}.pos-cart-panel .cart-item-card{grid-template-columns:minmax(180px,1fr) auto auto;gap:6px 9px;padding:8px 10px;border-radius:13px}.pos-cart-panel .cart-product strong{font-size:12px}.pos-cart-panel .cart-product small{font-size:10px;margin-top:0}.pos-cart-panel .price-source-badge{margin-top:3px;padding:2px 6px}.pos-cart-panel .cart-price{font-size:13px}.pos-cart-panel .qty-stepper button{height:30px;width:29px}.pos-cart-panel .qty-stepper input{height:30px;width:39px;padding:3px}.pos-cart-panel .promotion-control{grid-column:1/2}.pos-cart-panel .promotion-control select{height:33px;padding:5px 8px}.pos-cart-panel .discount-control{grid-column:2/4;grid-template-columns:58px 64px minmax(68px,auto) 28px;gap:4px}.pos-cart-panel .discount-control select,.pos-cart-panel .discount-control input{height:33px;padding:5px 6px}.pos-cart-panel .remove-item{width:28px;height:28px}.pos-checkout-dock .pos-summary{width:100%;grid-template-columns:1fr 1fr 1.2fr;gap:0;padding:8px 11px}.pos-checkout-dock .pos-summary>div{display:grid;gap:1px;align-content:center;font-size:11px}.pos-checkout-dock .pos-summary>div>strong{font-size:14px}.pos-checkout-dock .pos-summary .pos-total{margin:0;padding:0 0 0 13px;border-top:0;border-left:1px solid #cfdced;font-size:13px}.pos-checkout-dock .pos-summary .pos-total strong{font-size:23px}.pos-checkout-dock .checkout-modern{grid-template-columns:1.35fr 1fr 1fr;gap:8px;margin-top:7px;padding:8px}.pos-checkout-dock .checkout-modern label{gap:3px;font-size:10px}.pos-checkout-dock .checkout-modern input,.pos-checkout-dock .checkout-modern select{height:36px;padding:6px 9px;font-size:12px}.pos-checkout-dock .change-modern{min-height:52px;padding:8px 10px}.pos-checkout-dock .change-modern strong{font-size:18px}.pos-checkout-dock .pos-actions{margin-top:7px}.pos-checkout-dock .action-secondary,.pos-checkout-dock .checkout-main{min-height:43px}}
@media(max-width:800px){.customer-bulk-toolbar{align-items:stretch;flex-direction:column}.customer-bulk-toolbar>div{justify-content:space-between}.customer-bulk-toolbar>.danger{width:100%}}

/* ===== V4.1.6: búsqueda y paginación de inventario ===== */
.inventory-search-card{padding:14px 16px}.inventory-search-form{display:grid;grid-template-columns:minmax(150px,.7fr) minmax(260px,2fr) minmax(160px,1fr) minmax(170px,1fr) auto;gap:10px;align-items:end}.inventory-search-form label{display:grid;gap:5px;font-size:12px;font-weight:800;color:var(--im-blue)}.inventory-search-form input,.inventory-search-form select{height:43px}.inventory-search-actions{display:flex;gap:7px}.inventory-result-count{margin:10px 0 0;color:var(--muted)}.inventory-pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:15px}.inventory-pagination .disabled{opacity:.45;pointer-events:none}.inventory-pagination span{color:var(--muted)}
@media(max-width:1050px){.inventory-search-form{grid-template-columns:repeat(2,minmax(0,1fr))}.inventory-query{grid-column:1/-1}.inventory-search-actions{align-self:end}}
@media(max-width:650px){.inventory-search-form{grid-template-columns:1fr}.inventory-query{grid-column:auto}.inventory-search-actions .btn{flex:1}.inventory-pagination{justify-content:space-between}.inventory-pagination span{font-size:12px}}
.customer-edit-card{max-width:760px;margin-inline:auto}.customer-search-form{margin-top:0}

/* ===== V4.1.6: apertura rápida de caja desde POS ===== */
.pos-cash-alert{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:7px;padding:7px 10px;border:1px solid #f5c56b;border-radius:11px;background:#fff8e8;color:#8a4b08;font-size:11px}.pos-cash-alert[hidden]{display:none!important}.pos-cash-alert .btn{flex:0 0 auto;padding:6px 9px;border-color:#e9ae45;background:#fff}
@media(max-width:650px){.pos-cash-alert{align-items:stretch;flex-direction:column}.pos-cash-alert .btn{width:100%}}
.teacher-credit-fields{border:1px solid #d7e2f4;border-radius:12px;padding:12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.teacher-credit-fields[hidden]{display:none}.teacher-credit-fields legend{padding:0 6px;font-weight:800;color:var(--brand-blue)}.credit-term-inputs{display:grid;grid-template-columns:minmax(90px,.7fr) minmax(120px,1fr);gap:8px}@media(max-width:700px){.teacher-credit-fields{grid-template-columns:1fr}}

/* ===== V4.1.6: controles compactos, cuenta e importación ===== */
.btn{min-height:36px;padding:7px 11px;border-radius:10px;font-size:13px;line-height:1.15}.btn.small{min-height:30px;padding:5px 8px;font-size:11.5px;border-radius:9px}.admin-actions{gap:6px}.user-pill{color:inherit;text-decoration:none}.user-pill:hover{text-decoration:underline}.login-help{display:block;text-align:center;color:var(--brand-blue);font-weight:700}.account-summary{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:18px;padding:12px;border-radius:12px;background:#f4f7fb}.account-summary span{color:var(--muted)}.pagehead.compact{margin-bottom:12px}.pagehead.compact h2{margin:0}.product-import-form{display:grid;grid-template-columns:minmax(170px,.7fr) minmax(260px,1.5fr) auto;gap:10px;align-items:end}.product-import-form input,.product-import-form select{height:41px}.import-columns{margin-top:12px;padding:10px 12px;border:1px solid var(--border);border-radius:11px}.import-columns summary{cursor:pointer;font-weight:800;color:var(--brand-blue)}.import-columns p{margin:8px 0;color:var(--muted)}
@media(max-width:750px){.product-import-form{grid-template-columns:1fr}.product-import-form .btn{width:100%}}

/* ===== V4.1.6: secciones, venta familiar y contraste ===== */
.section-availability{display:flex;flex-wrap:wrap;gap:8px 14px;margin:8px 0 16px;padding:11px 13px;border:1px solid var(--border);border-radius:12px;background:#f7faff}.section-availability .check{margin:0;font-weight:800}.section-pricing h3 small{font-weight:600;color:var(--muted)}
.pos-family-list{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.family-customer{display:grid;gap:1px;text-align:left;padding:6px 9px;border:1px solid #cbd9ec;border-radius:10px;background:#fff;color:var(--im-blue);cursor:pointer}.family-customer small{font-size:9px;color:var(--muted)}.family-customer.active{border-color:var(--im-blue);background:var(--im-blue-soft);box-shadow:0 0 0 2px rgba(11,59,143,.10)}.recipient-badge{display:inline-flex;margin:3px 5px 0 0;padding:2px 6px;border-radius:999px;background:#e8f1ff;color:#0b3b8f;font-size:9px;font-weight:900}.price-source-badge.general{background:#eef2f7;color:#4b5c73}.price-source-badge.danger,.cart-item-card.unavailable{background:#fff0f1;color:#9b1423;border-color:#ef9aa4}
html{color-scheme:light!important}.low td{background:#fff7ed!important;color:#172033!important}.low td code,.low td strong,.low td b{color:inherit!important}

/* ===== V4.1.6: tema claro/oscuro y controles táctiles ===== */
.theme-toggle{gap:6px;white-space:nowrap}.theme-toggle>span[aria-hidden="true"]{font-size:17px;line-height:1}.family-customer-wrap{display:flex;align-items:stretch;min-height:44px;border:1px solid #cbd9ec;border-radius:11px;background:#fff;overflow:hidden}.family-customer-wrap.active{border-color:var(--im-blue);background:var(--im-blue-soft);box-shadow:0 0 0 2px rgba(11,59,143,.10)}.family-customer-wrap .family-customer{min-height:42px;border:0;border-radius:0;background:transparent;box-shadow:none;flex:1;padding:6px 9px}.family-customer-wrap .family-customer:hover,.family-customer-wrap .family-customer:active{transform:none;box-shadow:none}.family-remove{width:42px;min-width:42px;min-height:42px;border:0;border-left:1px solid #d7e2ef;background:transparent;color:#a61929;font-size:21px;font-weight:900;cursor:pointer;touch-action:manipulation}.family-remove:active{background:#ffe8eb}.pos-search-field input,.qty-stepper button,.icon-action,.btn{touch-action:manipulation}
html[data-theme="dark"]{color-scheme:dark!important;--page-bg:#0b1422;--bg:#0b1422;--card:#152133;--text:#edf3fc;--muted:#aab7ca;--border:#34445b;--im-blue:#79adff;--im-blue-2:#4f8fe8;--im-blue-soft:#1b304e;--im-red:#f06a79;--im-red-2:#db4053;--im-red-soft:#40212a;--im-white:#f5f8fc;--im-ink:#edf3fc;--im-line:#34445b;--primary:#2867bb;--primary2:#367bd4;--shadow:0 12px 32px rgba(0,0,0,.28)}
html[data-theme="dark"] body{background:linear-gradient(145deg,#0b1422 0,#101c2c 58%,#142238 100%);color:var(--text)}
html[data-theme="dark"] .appbar,html[data-theme="dark"] .card,html[data-theme="dark"] .pos-catalog-panel,html[data-theme="dark"] .pos-cart-panel,html[data-theme="dark"] .pos-checkout-dock,html[data-theme="dark"] .pos-actions,html[data-theme="dark"] .branch-record,html[data-theme="dark"] .ticket-config,html[data-theme="dark"] .section-price-grid label,html[data-theme="dark"] .family-customer-wrap{background:#152133;color:var(--text);border-color:var(--border);box-shadow:var(--shadow)}
html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea,html[data-theme="dark"] .pos-search-field input{background:#101b2b;color:var(--text);border-color:#40526c}
html[data-theme="dark"] input::placeholder,html[data-theme="dark"] textarea::placeholder{color:#8392a8}
html[data-theme="dark"] .btn:not(.primary),html[data-theme="dark"] .theme-toggle,html[data-theme="dark"] .ticket-config summary{background:linear-gradient(180deg,#24344a,#1b293c);color:var(--text);border-color:#42536b;box-shadow:0 3px 0 #0b1320}
html[data-theme="dark"] .section-pricing,html[data-theme="dark"] .section-availability,html[data-theme="dark"] .customer-card,html[data-theme="dark"] .scanner-note,html[data-theme="dark"] .customer-bulk-toolbar,html[data-theme="dark"] .account-summary,html[data-theme="dark"] .inherit-note{background:#111e30;color:var(--text);border-color:var(--border)}
html[data-theme="dark"] .cart-item-card{background:linear-gradient(145deg,#18263a,#132033);border-color:var(--border);box-shadow:0 5px 16px rgba(0,0,0,.22)}html[data-theme="dark"] .search-results{background:#152133}html[data-theme="dark"] .search-item:hover{background:#213754}html[data-theme="dark"] .pos-summary,html[data-theme="dark"] .checkout-modern{background:#152133}html[data-theme="dark"] .change-modern{background:#351f28;color:#ffb4bd;border-color:#6c3440}html[data-theme="dark"] .low td{background:#32291f!important;color:#f4e8d7!important}html[data-theme="dark"] .family-remove{color:#ff9aa6;border-left-color:#40516a}html[data-theme="dark"] .family-remove:active{background:#48232c}html[data-theme="dark"] .recipient-badge{background:#243b5d;color:#bcd7ff}html[data-theme="dark"] .price-source-badge.general{background:#273548;color:#d0daea}html[data-theme="dark"] .pos-cash-alert{background:#352a18;color:#ffd693;border-color:#735a2c}
@media(max-width:800px){.theme-toggle{width:44px;height:44px;min-height:44px;padding:0}.theme-toggle>span[aria-hidden="true"]{display:inline!important}.theme-toggle .theme-label{display:none!important}.appbar{padding-left:max(13px,env(safe-area-inset-left));padding-right:max(13px,env(safe-area-inset-right))}.container:not(.auth-container){padding-bottom:max(24px,env(safe-area-inset-bottom))}.family-remove{width:44px;min-width:44px}.family-customer-wrap{flex:1 1 min(100%,260px)}}

/* ===== V4.1.6: estabilidad del carrito, stock y formularios ===== */
.stock-badge{display:inline-flex;margin:4px 5px 0 0;padding:2px 7px;border-radius:999px;font-size:10px;font-weight:900}.stock-badge.out{background:#ffe4e6;color:#a61929;border:1px solid #f5a8b0}.badge{color:#344054;background:#eef3f8}.muted-row .badge{color:#5f6b7a;background:#e7ebf0}.teacher-credit-fields{align-items:start}.teacher-credit-fields>label{display:flex;flex-direction:column;gap:6px;align-self:start}.credit-term-inputs{width:100%;align-items:stretch}.credit-term-inputs input,.credit-term-inputs select{height:43px;margin:0}.cart-item-card.unavailable{border-width:2px}.cart-item-card.unavailable .qty-stepper{opacity:.55}.discount-control select,.discount-control input,.qty-stepper input{color:var(--text);background:var(--card)}
html[data-theme="dark"] select option{background:#101b2b;color:#edf3fc}html[data-theme="dark"] .badge{background:#263b57;color:#e7f0ff;border:1px solid #425a79}html[data-theme="dark"] .muted-row .badge{background:#303744;color:#d5dbe5}html[data-theme="dark"] .stock-badge.out{background:#4a2029;color:#ffb7c0;border-color:#7b3542}html[data-theme="dark"] .discount-control select,html[data-theme="dark"] .discount-control input,html[data-theme="dark"] .qty-stepper input{background:#0f1b2b;color:#edf3fc;border-color:#40526c}html[data-theme="dark"] .qty-stepper button{background:#263a57;color:#fff;border-color:#405878}
@media(max-width:700px){.teacher-credit-fields>label{width:100%}.credit-term-inputs{grid-template-columns:minmax(80px,.65fr) minmax(125px,1fr)}}

/* Estado de cuenta: recuperación de tickets por venta */
.statement-sale-actions{display:flex;flex-wrap:wrap;gap:7px;align-items:flex-start;min-width:260px}.statement-ticket-email{position:relative}.statement-ticket-email>summary{list-style:none;cursor:pointer}.statement-ticket-email>summary::-webkit-details-marker{display:none}.statement-ticket-email[open]{flex-basis:100%}.statement-ticket-email form{display:flex;gap:6px;align-items:center;margin-top:7px}.statement-ticket-email input[type="email"]{width:210px;min-height:36px;margin:0}
html[data-theme="dark"] .statement-ticket-email>summary{background:linear-gradient(180deg,#24344a,#1b293c);color:var(--text);border-color:#42536b}
@media(max-width:700px){.statement-sale-actions{min-width:220px}.statement-ticket-email form{align-items:stretch;flex-direction:column}.statement-ticket-email input[type="email"]{width:100%}}

/* Costos por talla y valoración gerencial */
.variant-row:has(input[name="variant_costs[]"]){grid-template-columns:repeat(auto-fit,minmax(120px,1fr));align-items:center}.inventory-valuation{border-color:#b7cbea}.inventory-valuation>.stats{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:14px}
html[data-theme="dark"] .inventory-valuation{border-color:#405c81}
html[data-theme="dark"] .receive-box{background:#111e30;color:var(--text);border-color:#40526c}html[data-theme="dark"] .receive-box summary{color:#9bc2ff}html[data-theme="dark"] .receive-box table,html[data-theme="dark"] .receive-box th,html[data-theme="dark"] .receive-box td,html[data-theme="dark"] .receive-box small,html[data-theme="dark"] .receive-box label{color:var(--text);border-color:#40526c}html[data-theme="dark"] .receive-box th{background:#18283d;color:#c9daf2}html[data-theme="dark"] .receive-box tr{background:#111e30}
.purchase-cancel{display:inline-block;position:relative}.purchase-cancel>summary{list-style:none;cursor:pointer}.purchase-cancel>summary::-webkit-details-marker{display:none}.purchase-cancel form{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px;padding:10px;border:1px solid #efb2ba;border-radius:12px;background:var(--im-red-soft)}.purchase-cancel input{min-width:220px}
html[data-theme="dark"] .purchase-cancel form{border-color:#74404a;background:#351f28}
.pos-actions{grid-template-columns:auto minmax(220px,1fr)}
@media(max-width:800px){.pos-actions{grid-template-columns:1fr 1fr}.pos-actions .checkout-main{grid-column:1/-1}}
@media(max-width:1000px){.inventory-valuation>.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.variant-row:has(input[name="variant_costs[]"]),.inventory-valuation>.stats{grid-template-columns:1fr}}

/* ===== V4.1.14: sistema visual unificado y contraste accesible ===== */
:root{
 --surface-subtle:#f3f6fa;--surface-hover:#eaf2ff;--input-bg:#fff;
 --button-bg:#fff;--button-hover:#f1f5fa;--button-border:#c6d2e1;
 --button-primary:#0b3b8f;--button-primary-hover:#1559b7;
 --button-danger:#a51d2b;--button-danger-bg:#fff5f6;--button-success:#087249;
 --focus-ring:rgba(21,89,183,.28);--control-height:42px;--control-height-small:36px;
}
.brandmark{padding:4px;overflow:hidden;background:#fff!important;color:transparent!important}.brandmark img{display:block;width:100%;height:100%;object-fit:contain}.brandmark.big{padding:7px;background:#fff!important;border:1px solid var(--border)}
.btn{min-height:var(--control-height);padding:0 14px;border:1px solid var(--button-border);border-radius:10px;background:var(--button-bg);color:var(--text);box-shadow:0 1px 2px rgba(16,36,64,.08);font-size:13px;font-weight:750;line-height:1.2;white-space:nowrap;transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease,transform .15s ease}
.btn:hover:not(:disabled):not([aria-disabled="true"]){transform:none;background:var(--button-hover);border-color:#9eb2ca;box-shadow:0 2px 6px rgba(16,36,64,.11)}.btn:active:not(:disabled){transform:translateY(1px);box-shadow:none}
.btn.small{min-height:var(--control-height-small);padding:0 11px;border-radius:9px;font-size:12px}.btn.primary{background:var(--button-primary);border-color:var(--button-primary);color:#fff;box-shadow:0 2px 5px rgba(11,59,143,.2)}.btn.primary:hover:not(:disabled){background:var(--button-primary-hover);border-color:var(--button-primary-hover);color:#fff}.btn.ghost{background:transparent;border-color:transparent;box-shadow:none}.btn.ghost:hover:not(:disabled){background:var(--surface-hover);border-color:var(--border)}
.btn.danger{background:var(--button-danger-bg);border-color:#e7aab1;color:var(--button-danger);box-shadow:none}.btn.danger:hover:not(:disabled){background:#ffe7ea;border-color:#d8737f;color:#841622}.btn.success{background:var(--button-success);border-color:var(--button-success);color:#fff}.btn.success:hover:not(:disabled){background:#0a8556;border-color:#0a8556;color:#fff}
.btn:disabled,.btn.disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;pointer-events:none;box-shadow:none;transform:none}.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}
input,select{min-height:var(--control-height);background:var(--input-bg);border-color:var(--button-border)}textarea{min-height:96px;background:var(--input-bg);border-color:var(--button-border);resize:vertical}input:disabled,select:disabled,textarea:disabled{opacity:.68;cursor:not-allowed;background:var(--surface-subtle)}
.toolbar,.row-actions,.actions-right,.inline{align-items:center;gap:8px}.row-actions .btn,.actions-right .btn{flex:0 0 auto}.pagehead form.inline{flex-wrap:wrap}.pagehead form.inline input,.pagehead form.inline select{width:auto;min-width:150px}
tbody tr{transition:background-color .12s ease}tbody tr:hover{background:var(--surface-subtle)}th{color:#53627a}td{overflow-wrap:anywhere}.card,.stats article{color:var(--text)}
.alert{border:1px solid transparent;font-weight:650}.alert.success{background:#e2f7ec;color:#075d3d;border-color:#a8dfc4}.alert.danger{background:#fff0f1;color:#8f1724;border-color:#efb5bb}.badge{border:1px solid #d5dee9}.badge.ok{border-color:#a8dfc4}
.price-list-card,.pos-toolbar-actions,.quick-category{background:var(--button-bg);color:var(--text)}.quick-category{box-shadow:0 1px 2px rgba(16,36,64,.08)}.quick-category:hover,.quick-category.active{background:var(--button-primary);border-color:var(--button-primary);color:#fff;box-shadow:none}
@media(max-width:640px){.btn{min-height:44px}.btn.small{min-height:40px}.row-actions,.actions-right{gap:9px}.row-actions .btn,.actions-right .btn{flex:1 1 auto}.pagehead form.inline{width:100%}.pagehead form.inline input,.pagehead form.inline select,.pagehead form.inline .btn{width:100%}}
html[data-theme="dark"]{
 --surface-subtle:#1b2a3e;--surface-hover:#233957;--input-bg:#0f1b2b;
 --button-bg:#1d2d43;--button-hover:#263b57;--button-border:#52647d;
 --button-primary:#2867bb;--button-primary-hover:#367bd4;
 --button-danger:#ffabb4;--button-danger-bg:#3b2029;--button-success:#168a5d;
 --focus-ring:rgba(121,173,255,.48);--text:#f1f5fb;--muted:#b7c2d2;--border:#43536a;--brand-blue:#79adff;--brand-red:#ff8794;
}
html[data-theme="dark"] .btn:not(.primary):not(.danger):not(.success),html[data-theme="dark"] .theme-toggle{background:var(--button-bg);color:var(--text);border-color:var(--button-border);box-shadow:0 1px 2px rgba(0,0,0,.28)}html[data-theme="dark"] .btn:not(.primary):not(.danger):not(.success):hover{background:var(--button-hover);border-color:#6c809d}
html[data-theme="dark"] .btn.ghost{background:transparent;box-shadow:none}html[data-theme="dark"] .btn.danger{background:var(--button-danger-bg);border-color:#7f4450;color:var(--button-danger)}html[data-theme="dark"] .btn.success{background:var(--button-success);border-color:var(--button-success);color:#fff}
html[data-theme="dark"] th{color:#c5cfdd}html[data-theme="dark"] tbody tr:hover{background:var(--surface-subtle)}html[data-theme="dark"] .alert.success{background:#17382e;color:#a9ebcf;border-color:#2e7058}html[data-theme="dark"] .alert.danger{background:#3b2029;color:#ffb5bd;border-color:#7f4450}
html[data-theme="dark"] .price-list-card,html[data-theme="dark"] .pos-toolbar-actions,html[data-theme="dark"] .quick-category,html[data-theme="dark"] .qty-stepper,html[data-theme="dark"] .checkout-modern{background:var(--card);color:var(--text);border-color:var(--border)}html[data-theme="dark"] .quick-category:hover,html[data-theme="dark"] .quick-category.active{background:var(--button-primary);color:#fff;border-color:var(--button-primary)}html[data-theme="dark"] .promotion-control select{background:#2d281d;color:#ffe1a3;border-color:#6d5a2e}