:root{--azul:#1b3f7d;--azul-oscuro:#12294f;--rojo:#c8102e;--rojo-oscuro:#9c0c23;--bg:#f4f5f7;--surface:#fff;--text:#1c1e21;--text-muted:#5b6472;--border:#dde1e6;--border-strong:#c3c9d1;--amarillo-bg:#fff3cd;--amarillo-text:#7a5b00;--verde:#1f8a4c;--radius:12px;--radius-sm:8px;--shadow-card:0 1px 2px #1418210f, 0 1px 1px #1418210a;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font:16px/1.45 var(--sans);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#101216;--surface:#1a1d23;--text:#eef0f3;--text-muted:#9aa3af;--border:#2c313a;--border-strong:#3a4048;--amarillo-bg:#4a3c00;--amarillo-text:#ffd866;--shadow-card:0 1px 2px #0006}}*,:before,:after{box-sizing:border-box}body{min-height:100svh;margin:0}h1,h2,h3{font-family:var(--sans);color:var(--text);margin:0 0 8px;font-weight:600}h2{font-size:17px}h3{font-size:15px}p{margin:0}button{font:inherit}input,textarea,select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);width:100%;min-height:44px;padding:10px 12px;font-size:16px}textarea{resize:vertical;min-height:44px;font-family:inherit}input:focus-visible,textarea:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--azul);outline-offset:1px}.app-shell{background:var(--bg);flex-direction:column;max-width:480px;min-height:100svh;margin:0 auto;display:flex}.topbar{z-index:10;background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.brand{letter-spacing:.02em;white-space:nowrap;align-items:baseline;gap:6px;font-weight:700;display:flex}.brand-osados{color:var(--azul);font-size:17px}.brand-projects{color:var(--rojo);text-transform:uppercase;letter-spacing:.08em;font-size:12px}.topnav{gap:4px;display:flex}.topnav a{border-radius:var(--radius-sm);min-height:36px;color:var(--text-muted);align-items:center;padding:0 12px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.topnav a.active{color:var(--azul);background:#1b3f7d1a}main{flex:1;padding:16px 16px 40px}.screen{flex-direction:column;gap:16px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);flex-direction:column;gap:10px;padding:14px;display:flex}.empty-state{color:var(--text-muted);text-align:center;padding:32px 16px;font-size:14px}.btn-primary,.btn-secondary{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;min-height:44px;padding:10px 16px;font-size:15px;font-weight:600;display:inline-flex}.btn-primary{background:var(--azul);color:#fff}.btn-primary:active{background:var(--azul-oscuro)}.btn-primary:disabled{background:var(--border-strong);color:var(--text-muted);cursor:not-allowed}.btn-secondary{background:var(--surface);color:var(--azul);border-color:var(--border-strong)}.btn-secondary:active{background:var(--bg)}.btn-lg{width:100%;min-height:48px;font-size:16px}.btn-link{color:var(--azul);cursor:pointer;background:0 0;border:none;align-self:flex-start;padding:8px 0;font-size:14px;font-weight:600}.btn-danger-link{color:var(--rojo);cursor:pointer;background:0 0;border:none;align-self:flex-start;padding:8px 0;font-size:14px;font-weight:600}.btn-icon-delete,.btn-icon-reset{min-width:36px;min-height:36px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:inline-flex}.btn-icon-delete:active{color:var(--rojo);background:#c8102e1a}.btn-icon-reset:active{color:var(--azul);background:#1b3f7d1a}.field{flex-direction:column;gap:4px;display:flex}.field>span:first-child{color:var(--text-muted);font-size:13px;font-weight:600}.field-inline{align-items:center;gap:8px;display:flex}.field-inline>span:first-child{color:var(--text-muted);white-space:nowrap;font-size:13px}.field-label{color:var(--text-muted);font-size:13px;font-weight:600}.readonly-value{min-height:44px;color:var(--text-muted);align-items:center;padding:0 2px;display:flex}.draft-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.draft-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);cursor:pointer;align-items:center;gap:10px;padding:12px 14px;display:flex}.draft-card:active{background:var(--bg)}.draft-main{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.draft-main strong{text-overflow:ellipsis;white-space:nowrap;font-size:15px;overflow:hidden}.draft-project{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.draft-meta{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:2px;display:flex}.draft-date{color:var(--text-muted);font-size:12px}.draft-total{color:var(--azul);font-size:14px;font-weight:700}.items-section{flex-direction:column;gap:12px;display:flex}.item-card{gap:12px}.item-description{min-height:64px;overflow:hidden}.item-extra-fields{flex-direction:column;gap:8px;display:flex}.item-qty-row{justify-content:space-between;align-items:center;display:flex}.stepper{border:1px solid var(--border-strong);border-radius:var(--radius-sm);align-items:center;gap:0;display:flex;overflow:hidden}.stepper-btn{background:var(--surface);min-width:44px;min-height:40px;color:var(--azul);cursor:pointer;border:none;font-size:18px;font-weight:700}.stepper-btn:active{background:var(--bg)}.stepper-value{text-align:center;min-width:36px;font-weight:700}.item-components{border-top:1px dashed var(--border);flex-direction:column;gap:8px;padding-top:4px;display:flex}.component-editor{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);flex-direction:column;gap:8px;padding:10px;display:flex}.material-select{min-height:44px}.sheet-fraction-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.chip{border:1px solid var(--border-strong);background:var(--surface);min-height:36px;color:var(--text);cursor:pointer;border-radius:999px;padding:0 14px;font-size:14px;font-weight:600}.chip-active{background:var(--azul);border-color:var(--azul);color:#fff}.sheet-fraction-row input{max-width:90px}.area-row{align-items:center;gap:8px;display:flex}.area-row input{min-width:0}.area-x{color:var(--text-muted);flex-shrink:0}.sqft-display{color:var(--text-muted);white-space:nowrap;flex-shrink:0;font-size:13px}.free-row{gap:8px;display:flex}.component-footer{justify-content:space-between;align-items:center;display:flex}.component-cost{color:var(--text-muted);font-size:13px;font-weight:600}.item-cost-row{justify-content:flex-end;display:flex}.item-cost-label{color:var(--text-muted);font-size:12px}.item-price-row{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;padding-top:8px;display:flex}.item-price-display{align-items:center;gap:6px;display:flex}.unit-price-btn{color:var(--azul);cursor:pointer;background:0 0;border:none;min-height:44px;padding:6px 4px;font-size:18px;font-weight:700}.item-price-edit{flex:1;align-items:center;gap:8px;display:flex}.item-price-edit .money-input{flex:1}.badge-manual{text-transform:uppercase;letter-spacing:.04em;background:var(--amarillo-bg);color:var(--amarillo-text);border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.badge-placeholder{text-transform:uppercase;letter-spacing:.04em;background:var(--amarillo-bg);color:var(--amarillo-text);white-space:nowrap;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.money-input{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);align-items:center;display:flex;overflow:hidden}.money-input .money-prefix{color:var(--text-muted);flex-shrink:0;padding:0 0 0 12px;font-size:15px;font-weight:600}.money-input input{border:none;min-height:42px}.money-input input:focus-visible{outline:none}.toggle{background:var(--border-strong);cursor:pointer;border:none;border-radius:999px;flex-shrink:0;align-items:center;width:46px;height:28px;padding:3px;transition:background .15s;display:inline-flex}.toggle-on{background:var(--azul)}.toggle-knob{background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .15s;box-shadow:0 1px 2px #0000004d}.toggle-on .toggle-knob{transform:translate(18px)}.percent-slider{flex-direction:column;gap:4px;display:flex}.percent-slider-head{justify-content:space-between;align-items:baseline;display:flex}.percent-slider-value{color:var(--azul);font-weight:700}.percent-slider input[type=range]{width:100%;min-height:32px;accent-color:var(--azul);background:0 0;border:none;padding:0}.percent-slider-hint{color:var(--text-muted);font-size:12px}.preset-chips{flex-wrap:wrap;gap:8px;display:flex}.totals-row{justify-content:space-between;align-items:center;font-size:15px;display:flex}.itbis-toggle-label{align-items:center;gap:8px;display:flex}.totals-grand{border-top:1px solid var(--border);color:var(--azul);padding-top:8px;font-size:19px;font-weight:700}.profit-panel{background:repeating-linear-gradient(135deg, var(--bg), var(--bg) 10px, var(--surface) 10px, var(--surface) 20px);border:1px dashed var(--border-strong)}.profit-panel h3{color:var(--text-muted)}.whatsapp-preview{white-space:pre-wrap;word-break:break-word;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);max-height:260px;font-family:var(--sans);margin:0;padding:10px;font-size:13px;overflow-y:auto}.share-actions{flex-wrap:wrap;gap:8px;display:flex}.share-actions button{flex:auto}.share-hint{color:var(--text-muted);font-size:12px}.config-note{color:var(--text-muted);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:13px}.material-group h2{margin-bottom:4px}.material-row{align-items:center;gap:8px;display:flex}.material-name-input{flex:auto;min-width:0}.material-row .money-input{flex:0 0 130px}.add-material-form{flex-direction:column;gap:10px;display:flex}.add-material-actions{gap:8px;display:flex}.add-material-actions button{flex:1}.presets-config{gap:12px}.login-screen{background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:28px;min-height:100svh;padding:24px;display:flex}.login-brand{flex-direction:column;align-items:center;gap:2px;display:flex}.login-brand .brand-osados{font-size:30px}.login-brand .brand-projects{font-size:14px}.login-form{gap:16px;width:100%;max-width:360px}.login-title{text-align:center;font-size:18px}.login-error{color:var(--rojo);border-radius:var(--radius-sm);background:#c8102e14;padding:8px 10px;font-size:13px}.splash-screen{min-height:100svh;color:var(--text-muted);justify-content:center;align-items:center;font-size:14px;display:flex}.offline-banner{background:var(--amarillo-bg);color:var(--amarillo-text);text-align:center;padding:6px 10px;font-size:12px}.logout-section{align-items:center}