:root{--bg:#f7f9fc;--surface:#fff;--text:#10213d;--muted:#5f6f86;--navy:#0c2b52;--navy2:#123f74;--line:#dbe4ef;--soft:#eef4fa;--green:#14825a;--warn:#a76a00;--danger:#a53b45;--radius:20px;--shadow:0 18px 50px rgba(13,39,76,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(1160px,calc(100% - 36px));margin-inline:auto}.narrow{width:min(760px,100%)}.site-header,.admin-top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner,.admin-top-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--navy);display:grid;place-items:center;color:#fff;font-weight:800}.brand strong,.brand small{display:block}.brand small{font-size:12px;color:var(--muted)}.nav{display:flex;gap:24px;font-weight:650;color:#29415f}.nav a:hover{color:var(--navy2)}.hero{padding:86px 0 58px;background:linear-gradient(180deg,#fff 0,#f5f8fc 100%)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}.eyebrow{display:inline-block;font-size:12px;font-weight:850;letter-spacing:.13em;color:var(--navy2);margin-bottom:10px}h1,h2,h3{line-height:1.12;margin:0 0 16px}h1{font-size:clamp(42px,6vw,72px);letter-spacing:-.045em}h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.035em}.hero-copy{font-size:20px;color:var(--muted);max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:13px 20px;font-weight:800;cursor:pointer}.primary{background:var(--navy);color:#fff}.primary:hover{background:var(--navy2)}.secondary{background:#fff;border:1px solid var(--line);color:var(--navy)}.trust-row{display:flex;gap:18px;flex-wrap:wrap;color:#47607e;font-size:14px}.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}.metric{display:flex;justify-content:space-between;padding:17px 0;border-bottom:1px solid var(--line)}.metric strong{font-size:25px}.metric.warning strong{color:var(--warn)}.mini-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:20px}.mini-list span{background:var(--soft);padding:14px;border-radius:13px;font-weight:700}.section{padding:78px 0}.section.alt{background:#fff}.feature-panel{display:grid;grid-template-columns:1fr .7fr;gap:38px;align-items:center}.feature-panel p,.card p,.article-list p,.faq p,.site-footer p{color:var(--muted)}.privacy-box{background:var(--navy);color:#fff;border-radius:22px;padding:26px}.privacy-box p{color:#d6e2f0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}.card>span{font-size:12px;font-weight:900;color:var(--navy2)}.card em{font-style:normal;font-size:12px;font-weight:800;color:var(--green)}.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.article-list>div{border-top:3px solid var(--navy);background:#fff;padding:22px;border-radius:0 0 16px 16px}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:12px 0}.faq summary{font-weight:800;cursor:pointer}.site-footer{background:#081a31;color:#dfe8f4;padding:45px 0 18px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:30px}.footer-grid div:last-child{display:grid;gap:8px}.footer-bottom{border-top:1px solid #24405e;margin-top:28px;padding-top:18px;color:#9fb0c4}.legal-page,.error-page{min-height:62vh;padding:88px 0}.legal-page h1,.error-page h1{font-size:50px}.error-code{font-size:76px;font-weight:900;color:#c9d7e7}.admin-body{background:#f5f7fb}.admin-main{padding:45px 0 70px}.admin-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:28px}.admin-heading h1,.auth-card h1{font-size:40px}.admin-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.admin-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);padding:22px;border-radius:18px}.admin-card>span{font-size:28px}.admin-card p{margin:4px 0 0;color:var(--muted)}.admin-card.disabled{opacity:.65}.status-panel,.settings-section{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.status-list{display:grid}.status-list span{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0}.ok{color:var(--green);font-style:normal;font-weight:800}.auth-wrap{min-height:70vh;display:grid;place-items:center}.auth-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.form-stack,.settings-form{display:grid;gap:17px}label{display:grid;gap:7px;font-weight:750}input,textarea{width:100%;border:1px solid #cbd8e8;background:#fff;border-radius:11px;padding:12px 13px;color:var(--text);outline:none}input:focus,textarea:focus{border-color:#4779ad;box-shadow:0 0 0 3px rgba(71,121,173,.12)}label small,.form-stack small{color:var(--muted);font-weight:500}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.check{display:flex;grid-template-columns:auto 1fr;align-items:center;gap:10px}.check input{width:auto}.alert{border-radius:12px;padding:13px 15px;margin:0 0 18px}.alert.error{background:#fff0f1;color:#7e2730;border:1px solid #f1c9cd}.alert.success{background:#eefaf5;color:#126244;border:1px solid #bfe3d3}.link-button{background:none;border:0;color:var(--navy);font-weight:800;cursor:pointer}@media(max-width:850px){.nav{display:none}.hero{padding-top:55px}.hero-grid,.feature-panel{grid-template-columns:1fr}.cards{grid-template-columns:1fr 1fr}.article-list{grid-template-columns:1fr}.admin-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}}@media(max-width:540px){.container{width:min(100% - 24px,1160px)}h1{font-size:42px}.cards{grid-template-columns:1fr}.hero-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}.admin-heading{align-items:flex-start;flex-direction:column}.admin-heading h1,.auth-card h1{font-size:32px}}

/* Módulo 2 — Inventario Gratis */
select{width:100%;border:1px solid #cbd8e8;background:#fff;border-radius:11px;padding:12px 13px;color:var(--text);outline:none}.inventory-shell{min-height:70vh}.inventory-hero{background:#fff;border-bottom:1px solid var(--line);padding:54px 0}.inventory-hero-inner{display:flex;justify-content:space-between;gap:34px;align-items:center}.inventory-hero h1{font-size:clamp(34px,5vw,56px);max-width:850px}.inventory-hero p{color:var(--muted);font-size:18px;max-width:780px}.local-data-badge{min-width:235px;background:#edf8f3;border:1px solid #c9e7d8;border-radius:18px;padding:18px;display:grid;gap:4px;color:#12583f}.local-data-badge span{font-size:13px}.inventory-workspace{padding:28px 0 80px}.inventory-status{padding:11px 15px;border-radius:12px;background:#fff8e8;border:1px solid #ead6a2;color:#75530b;margin-bottom:17px;font-size:14px}.inventory-status.ready{background:#eefaf5;border-color:#bfe3d3;color:#126244}.inventory-status.error{background:#fff0f1;border-color:#f1c9cd;color:#7e2730}.inventory-tabs{display:flex;gap:8px;flex-wrap:wrap;background:#eef3f8;padding:7px;border-radius:15px;margin-bottom:24px}.inventory-tab{border:0;background:transparent;padding:11px 16px;border-radius:10px;font-weight:800;color:#4b6079;cursor:pointer}.inventory-tab.active{background:#fff;color:var(--navy);box-shadow:0 3px 12px rgba(20,43,72,.08)}.inventory-view{display:none}.inventory-view.active{display:block}.inventory-heading-row{display:flex;justify-content:space-between;gap:22px;align-items:flex-end;margin:12px 0 22px}.inventory-heading-row h2{font-size:34px;margin-bottom:0}.inventory-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 20px}.inventory-kpis article{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px}.inventory-kpis span{display:block;color:var(--muted);font-size:13px;font-weight:700}.inventory-kpis strong{display:block;margin-top:7px;font-size:31px;color:var(--navy)}.inventory-two-cols,.backup-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.inventory-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.inventory-panel p{color:var(--muted)}.panel-title{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:10px}.panel-title h3{margin:0}.panel-title span{font-size:12px;color:var(--muted)}.compact-list>div{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}.compact-list>div:first-child{border-top:0}.compact-list span{display:grid}.compact-list small{color:var(--muted)}.compact-list b{white-space:nowrap}.muted-message{color:var(--muted);padding:14px 0}.stock-low{color:#a76a00}.stock-out{color:#a53b45}.stock-ok{color:#14825a}.inventory-toolbar{display:grid;grid-template-columns:minmax(260px,1fr) 220px 180px;gap:10px;margin-bottom:16px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:17px}.inventory-table{width:100%;border-collapse:collapse;min-width:850px}.inventory-table th,.inventory-table td{text-align:left;padding:14px 13px;border-bottom:1px solid var(--line);vertical-align:middle}.inventory-table th{background:#f7f9fc;font-size:12px;color:#52677f;text-transform:uppercase;letter-spacing:.04em}.inventory-table td{font-size:14px}.inventory-table td small{display:block;color:var(--muted)}.inventory-table tr:last-child td{border-bottom:0}.stock-pill,.movement-type{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:850}.stock-pill.stock-ok{background:#edf8f3}.stock-pill.stock-low{background:#fff6dd}.stock-pill.stock-out{background:#fff0f1}.movement-type{background:#edf3fb;color:#294f7c}.type-exit,.type-loss{background:#fff0f1;color:#8c3039}.type-entry,.type-return{background:#edf8f3;color:#146344}.type-adjustment{background:#fff6dd;color:#77540f}.row-actions{display:flex;gap:6px;justify-content:flex-end}.row-actions button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:6px 9px;cursor:pointer;color:var(--navy);font-weight:800}.row-actions button:hover{background:var(--soft)}.inventory-empty{background:#fff;border:1px dashed #c9d6e5;border-radius:17px;padding:35px;text-align:center;margin-top:15px}.inventory-empty strong,.inventory-empty span{display:block}.inventory-empty span{color:var(--muted);margin-top:4px}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.category-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;display:flex;justify-content:space-between;gap:16px}.category-card p{color:var(--muted);margin:7px 0}.category-card small{color:var(--navy2);font-weight:700}.backup-warning{background:#fff7df;border:1px solid #ecd89f;border-radius:17px;padding:18px 20px;margin-bottom:18px}.backup-warning p{margin:5px 0 0;color:#6d5720}.backup-grid small{display:block;margin-top:13px;color:var(--muted)}.backup-grid input[type=file]{margin:8px 0 12px}.danger-zone{margin-top:18px;border-color:#eac9cd}.danger-button{background:#8d3039;color:#fff}.inventory-dialog{border:0;background:transparent;padding:18px;width:min(880px,calc(100% - 20px));max-width:none}.inventory-dialog::backdrop{background:rgba(5,19,36,.58);backdrop-filter:blur(3px)}.dialog-card{background:#fff;border-radius:22px;padding:25px;box-shadow:0 24px 70px rgba(0,0,0,.22);display:grid;gap:16px}.small-dialog{max-width:620px;margin:auto}.dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.dialog-head h2{font-size:30px}.dialog-close{border:0;background:#eef3f8;width:38px;height:38px;border-radius:50%;font-size:25px;cursor:pointer;color:var(--navy)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--line);padding-top:17px}.movement-preview{background:var(--soft);border-radius:12px;padding:13px;color:#425a75}.inventory-toast{position:fixed;right:22px;bottom:22px;z-index:100;background:#113c6c;color:#fff;padding:13px 17px;border-radius:12px;box-shadow:0 12px 35px rgba(0,0,0,.18);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.inventory-toast.error{background:#8d3039}.inventory-toast.show{opacity:1;transform:translateY(0)}
@media(max-width:900px){.inventory-hero-inner{display:grid}.local-data-badge{min-width:0}.inventory-kpis{grid-template-columns:1fr 1fr}.inventory-two-cols,.backup-grid{grid-template-columns:1fr}.inventory-toolbar{grid-template-columns:1fr 1fr}.inventory-toolbar input{grid-column:1/-1}.category-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.inventory-heading-row{align-items:flex-start;flex-direction:column}.inventory-heading-row .btn{width:100%}.inventory-kpis{grid-template-columns:1fr 1fr}.inventory-kpis article{padding:15px}.inventory-kpis strong{font-size:25px}.inventory-toolbar{grid-template-columns:1fr}.inventory-toolbar input{grid-column:auto}.category-grid{grid-template-columns:1fr}.category-card{display:grid}.dialog-card{padding:19px}.dialog-actions{flex-direction:column-reverse}.dialog-actions .btn{width:100%}}

/* Módulo 3: Ventas y ganancias */
.inventory-tab.tab-link{display:inline-flex;align-items:center;text-decoration:none}.sales-layout{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(380px,1.15fr);gap:22px}.sale-product-results{display:grid;gap:8px;margin-top:14px;max-height:560px;overflow:auto}.sale-product-item{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 14px;border:1px solid var(--line,#dfe4ea);border-radius:12px;background:#fff;text-align:left;cursor:pointer}.sale-product-item:hover{border-color:#214c83}.sale-product-item span,.sale-cart-line>div{display:grid;gap:3px}.sale-product-item small,.sale-cart-line small{color:#687386}.sale-cart{display:grid;gap:9px}.sale-cart-line{display:grid;grid-template-columns:1fr 90px 110px 34px;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid #e8ebef}.sale-cart-line input{width:100%}.sale-cart-line>button{border:0;background:#f4f5f7;border-radius:9px;font-size:20px;cursor:pointer}.sale-adjustments{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.sale-totals{margin-top:18px;border-top:1px solid #e4e7eb;padding-top:14px;display:grid;gap:7px}.sale-totals>div{display:flex;justify-content:space-between;gap:20px}.sale-totals .grand-total{font-size:1.25rem;padding:10px 0;border-top:1px solid #e4e7eb;border-bottom:1px solid #e4e7eb}.wide-btn{width:100%;margin-top:18px}.profit-note{margin-top:22px;padding:14px 16px;border-radius:12px;background:#f4f7fb;display:flex;gap:12px;align-items:flex-start}.profit-note span{color:#566274}.settings-sales{max-width:680px;display:grid;gap:16px}.sales-kpis strong{font-size:1.5rem}
@media(max-width:850px){.sales-layout{grid-template-columns:1fr}.sale-adjustments{grid-template-columns:1fr}.sale-cart-line{grid-template-columns:1fr 78px 90px 32px}.profit-note{display:grid}}
@media(max-width:560px){.sale-cart-line{grid-template-columns:1fr 72px 32px}.sale-cart-line>b{grid-column:1/2}.sale-cart-line>button{grid-column:3;grid-row:1}}

/* Módulo 4 */
.table-sub{display:block;color:var(--muted,#64748b);font-size:.78rem;margin-top:.2rem}.table-actions{white-space:nowrap}.table-actions button{border:0;background:transparent;color:#0f4c81;cursor:pointer;padding:.35rem .45rem;font-weight:700}.table-actions button:last-child{color:#b42318}.business-kpis article:last-child strong{font-size:1.6rem}select[multiple]{min-height:9rem}
@media(max-width:760px){.table-actions{white-space:normal}.business-kpis{grid-template-columns:1fr 1fr}}


/* Módulo 5 — PWA / estado de conexión */
.footer-status-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.connection-status{display:inline-flex;align-items:center;gap:7px;font-size:.88rem;color:#38634a}
.connection-dot{width:9px;height:9px;border-radius:50%;background:#2c9b5f;box-shadow:0 0 0 3px rgba(44,155,95,.12)}
.connection-status.is-offline{color:#9a4e32}
.connection-status.is-offline .connection-dot{background:#d26b49;box-shadow:0 0 0 3px rgba(210,107,73,.13)}
.install-pwa-button{appearance:none;border:1px solid #c9d5e1;background:#fff;color:#0b2a4a;border-radius:999px;padding:7px 12px;font:inherit;font-size:.86rem;font-weight:700;cursor:pointer}
.install-pwa-button:hover{border-color:#0b2a4a}
.offline-page{min-height:62vh;padding:64px 0;background:linear-gradient(180deg,#f6f9fc 0%,#fff 100%)}
.offline-card{max-width:760px;text-align:center;background:#fff;border:1px solid #e1e8ef;border-radius:24px;padding:44px;box-shadow:0 18px 50px rgba(11,42,74,.08)}
.offline-card h1{margin:.35rem 0 .75rem;font-size:clamp(2rem,5vw,3.2rem);color:#0b2a4a}
.offline-card p{max-width:620px;margin:0 auto 18px;color:#536678;line-height:1.7}
.offline-icon{display:grid;place-items:center;width:70px;height:70px;margin:0 auto 18px;border-radius:20px;background:#eef4f9;color:#0b2a4a;font-size:2.25rem;font-weight:900}
.offline-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:26px 0}
.offline-note{font-size:.9rem}
@media (max-width:640px){.offline-page{padding:28px 0}.offline-card{padding:30px 20px;border-radius:18px}.footer-status-row{align-items:flex-start;flex-direction:column}}

/* M1 SEO — contenido útil de calculadoras */
.seo-calculator-content p{font-size:1.06rem;color:var(--muted);margin:0 0 28px}.seo-calculator-content h2{font-size:clamp(27px,3.5vw,38px);margin-top:38px}.seo-calculator-content h2:first-of-type{margin-top:0}.formula-box{display:grid;gap:6px;margin-top:20px;padding:16px;border-radius:13px;background:var(--soft);color:var(--navy)}.formula-box span{font-size:.94rem}.example-box{margin:26px 0 42px;padding:20px 22px;border-left:4px solid var(--navy2);background:var(--soft);border-radius:0 14px 14px 0}.calculator-faq{padding-top:64px}.seo-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}.seo-related-grid a{display:flex;justify-content:space-between;gap:12px;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;font-weight:800;color:var(--navy)}.seo-related-grid a:hover{border-color:#9bb4cf;transform:translateY(-1px)}
@media(max-width:850px){.seo-related-grid{grid-template-columns:1fr 1fr}}@media(max-width:540px){.seo-related-grid{grid-template-columns:1fr}.seo-calculator-content p{font-size:1rem}}