:root{--green:#1D9E75;--green-light:#E1F5EE;--green-dark:#0F6E56;--purple:#534AB7;--purple-light:#EEEDFE;--amber:#BA7517;--amber-light:#FAEEDA;--red:#A32D2D;--red-light:#FCEBEB;--blue:#185FA5;--blue-light:#E6F1FB;--bg:#F5F4F0;--bg-card:#FFFFFF;--text:#1a1a18;--text-muted:#6b6b67;--text-faint:#9e9e9a;--border:rgba(0,0,0,0.10);--border-mid:rgba(0,0,0,0.18);--radius:14px;--radius-sm:9px;--font:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;overscroll-behavior:none}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px}
button{font-family:var(--font);cursor:pointer}
.muted{color:var(--text-muted)}.small{font-size:12px}.ellipsis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.screen{position:fixed;inset:0;display:flex;flex-direction:column;overflow:hidden;background:var(--bg);padding-top:env(safe-area-inset-top);transition:opacity .15s}
.screen.hidden{opacity:0;pointer-events:none;visibility:hidden}

/* topbar */
.topbar{background:var(--bg-card);border-bottom:.5px solid var(--border);padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-shrink:0;min-height:58px}
.topbar-left{display:flex;flex-direction:column;min-width:0;flex:1}
.topbar-title{font-size:18px;font-weight:600;letter-spacing:-.3px}
.topbar-sub{font-size:12px;color:var(--text-muted);margin-top:1px}
.feria-switch{background:none;border:none;text-align:left;display:flex;flex-direction:column;min-width:0;flex:1;padding:2px 0;color:var(--text)}
.feria-switch .topbar-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.caret{font-size:12px;color:var(--text-muted)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--green);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#fff;cursor:pointer;flex-shrink:0}
.avatar.big{width:48px;height:48px;font-size:18px;cursor:default}
.back-btn{background:none;border:none;font-size:22px;color:var(--green);padding:4px 10px 4px 0}

/* barra de sincronizacion */
.syncbar{border:none;width:100%;text-align:left;font-size:12px;font-weight:500;padding:6px 14px;display:flex;align-items:center;gap:6px;flex-shrink:0;background:var(--green-light);color:var(--green-dark)}
.syncbar.pending{background:var(--amber-light);color:var(--amber)}
.syncbar.offline{background:#EDEDEA;color:var(--text-muted)}
.syncbar.error{background:var(--red-light);color:var(--red)}
.syncbar .dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex-shrink:0}
.syncbar.busy .dot{animation:blink 1s infinite}

/* stand activo */
.stand-banner{background:var(--green);padding:11px 14px;display:flex;align-items:center;gap:10px;flex-shrink:0;cursor:pointer;border:none;width:100%;text-align:left}
.stand-banner-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.6);animation:pulse 2s infinite;flex-shrink:0}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
.stand-banner-info{flex:1;min-width:0}
.stand-banner-name{font-size:14px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stand-banner-tag{font-size:11px;color:rgba(255,255,255,.8);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stand-banner-close{font-size:11px;color:#fff;background:rgba(0,0,0,.2);padding:6px 10px;border-radius:20px;white-space:nowrap;flex-shrink:0;border:none}
.stand-banner-empty{background:var(--bg);border-bottom:.5px solid var(--border);padding:10px 14px;font-size:13px;color:var(--text-muted);flex-shrink:0}

.action-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px 12px 4px;flex-shrink:0}
.action-btn{border:none;border-radius:var(--radius);padding:13px 10px;display:flex;flex-direction:column;align-items:center;gap:4px;transition:transform .1s,opacity .1s}
.action-btn:active{transform:scale(.96);opacity:.85}
.action-btn .icon{font-size:24px;line-height:1}
.action-btn .label{font-size:13px;font-weight:600;color:#fff}
.btn-stand{background:var(--green)}.btn-product{background:var(--purple)}
.search-bar{padding:8px 12px;flex-shrink:0}
.search-input{width:100%;background:var(--bg-card);border:.5px solid var(--border);border-radius:10px;padding:10px 14px;font-size:16px;font-family:var(--font);outline:none;-webkit-appearance:none}
.search-input:focus{border-color:var(--green)}
.scroll-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(24px + env(safe-area-inset-bottom))}
.section-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;padding:12px 16px 6px}

/* tarjetas */
.product-card{background:var(--bg-card);border:.5px solid var(--border);border-radius:var(--radius);margin:0 12px 8px;padding:10px 12px;display:flex;gap:10px;cursor:pointer}
.product-card:active{border-color:var(--border-mid);background:#fbfbf9}
.thumb{width:62px;height:62px;border-radius:var(--radius-sm);background:var(--bg);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:26px;overflow:hidden;position:relative;border:none;padding:0}
.thumb img,.thumb video{width:100%;height:100%;object-fit:cover;display:block}
.thumb .media-count{position:absolute;bottom:3px;right:3px;background:rgba(0,0,0,.6);color:#fff;font-size:10px;padding:1px 5px;border-radius:4px;font-weight:600}
.prod-body{flex:1;min-width:0}
.prod-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prod-name.empty{color:var(--text-faint);font-style:italic}
.prod-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:5px}
.tag{font-size:11px;padding:2px 8px;border-radius:20px;font-weight:500}
.tag-price{background:var(--green-light);color:var(--green-dark);font-weight:600}
.tag-color{background:var(--blue-light);color:var(--blue)}
.tag-size{background:var(--amber-light);color:var(--amber)}
.tag-video{background:#f0e8fb;color:#6d28d9}
.tag-local{background:var(--amber-light);color:var(--amber)}
.prod-note{font-size:11px;color:var(--text-muted);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prod-who{font-size:10px;color:var(--text-faint);margin-top:3px}
.stand-row{background:var(--bg-card);border:.5px solid var(--border);border-radius:var(--radius);margin:0 12px 8px;padding:10px 12px;display:flex;gap:10px;align-items:center;cursor:pointer}
.stand-row:active{background:var(--bg)}
.stand-row .thumb{width:46px;height:46px;font-size:20px}
.stand-row-main{flex:1;min-width:0}
.stand-row-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stand-row-meta{font-size:12px;color:var(--text-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.count-pill{font-size:12px;background:var(--bg);padding:3px 8px;border-radius:20px;color:var(--text-muted);white-space:nowrap}
.active-pill{font-size:11px;background:var(--green-light);color:var(--green-dark);padding:3px 8px;border-radius:20px;font-weight:600;white-space:nowrap}
.chevron{font-size:18px;color:var(--text-faint)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 24px;text-align:center}
.empty-state .emoji{font-size:40px}
.empty-state p{font-size:14px;color:var(--text-muted);line-height:1.5}
.more-btn{display:block;margin:4px auto 12px;background:var(--bg-card);border:.5px solid var(--border);border-radius:20px;padding:8px 16px;font-size:13px;color:var(--text-muted)}

/* detalle de stand */
.detail-card{display:flex;gap:12px;padding:12px;background:var(--bg-card);border-bottom:.5px solid var(--border)}
.detail-card .card-photo{width:110px;height:76px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:30px;border:none;padding:0}
.detail-card .card-photo img{width:100%;height:100%;object-fit:cover}
.detail-info{flex:1;min-width:0;font-size:13px;display:flex;flex-direction:column;gap:3px}
.detail-info a{color:var(--blue);text-decoration:none;word-break:break-all}
.detail-notes{font-size:12px;color:var(--text-muted);font-style:italic}
.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px 12px}
.sda-btn{border:none;border-radius:var(--radius-sm);padding:11px;font-size:13px;font-weight:600}
.sda-btn.full{grid-column:1/-1}
.sda-primary{background:var(--green);color:#fff}
.sda-product{background:var(--purple);color:#fff}
.sda-edit{background:var(--green-light);color:var(--green-dark)}
.sda-delete{background:var(--red-light);color:var(--red)}
.sda-on{background:var(--green-light);color:var(--green-dark)}

.export-bar{background:var(--bg-card);border-top:.5px solid var(--border);padding:10px 12px calc(10px + env(safe-area-inset-bottom));display:flex;justify-content:space-between;align-items:center;flex-shrink:0;gap:8px}
.export-label{font-size:12px;color:var(--text-muted);flex:1}
.export-btn{font-size:12px;font-weight:600;border:none;padding:8px 12px;border-radius:20px;white-space:nowrap}
.btn-html{color:var(--blue);background:var(--blue-light)}
.btn-sheets{color:#1a6b3a;background:#d4edda}

/* modales */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:100;opacity:0;pointer-events:none;transition:opacity .18s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--bg-card);border-radius:20px 20px 0 0;width:100%;max-width:520px;max-height:94vh;max-height:94dvh;overflow-y:auto;padding-bottom:env(safe-area-inset-bottom);transform:translateY(40px);transition:transform .22s cubic-bezier(.34,1.4,.64,1)}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-handle{width:36px;height:4px;background:var(--border-mid);border-radius:2px;margin:10px auto 2px}
.modal-title{font-size:17px;font-weight:600;padding:8px 20px 14px}
.modal-sub{font-size:12px;font-weight:500;color:var(--purple);margin-top:2px}
.modal-body{padding:0 20px}
.modal-actions{display:flex;gap:8px;padding:14px 20px 16px;position:sticky;bottom:0;background:var(--bg-card);border-top:.5px solid var(--border)}
.field{margin-bottom:12px}
.field label{display:block;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px}
.field input,.field textarea,.select{width:100%;background:var(--bg);border:.5px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px;font-size:16px;font-family:var(--font);color:var(--text);outline:none;-webkit-appearance:none;appearance:none}
.field input:focus,.field textarea:focus,.select:focus{border-color:var(--green);background:#fff}
.field textarea{resize:none;min-height:64px}
.price-row{display:flex;gap:8px}
.price-row .field{flex:1}
.price-row .currency-field{flex:0 0 100px}
.btn-primary{flex:1;background:var(--green);color:#fff;border:none;border-radius:var(--radius-sm);padding:14px 10px;font-size:15px;font-weight:600}
.btn-primary:disabled{opacity:.6}
.btn-primary.wide{width:100%}
.btn-outline{background:#fff;color:var(--green-dark);border:1.5px solid var(--green);border-radius:var(--radius-sm);padding:12px 10px;font-size:14px;font-weight:600;white-space:nowrap}
.btn-secondary{background:var(--bg);color:var(--text-muted);border:none;border-radius:var(--radius-sm);padding:14px 14px;font-size:15px;font-weight:500}
.btn-danger{background:var(--red-light);color:var(--red);border:none;border-radius:var(--radius-sm);padding:14px 14px;font-size:15px;font-weight:600}
.btn-link{background:none;border:none;font-size:14px;padding:8px 0;color:var(--text-muted)}
.btn-link.danger{color:var(--red)}
.quick-hint{font-size:11px;color:var(--text-faint);text-align:center;padding:2px 0 6px}
.chip{background:var(--bg);border:.5px solid var(--border-mid);border-radius:20px;padding:7px 12px;font-size:13px;font-weight:500;color:var(--text)}
.chip.danger{color:var(--red);background:var(--red-light);border-color:transparent}

/* fotos */
.photo-picker{display:flex;gap:12px;margin-bottom:14px;align-items:center}
.photo-slot{width:96px;height:68px;border-radius:var(--radius-sm);background:var(--bg);border:1.5px dashed var(--border-mid);display:flex;align-items:center;justify-content:center;font-size:26px;overflow:hidden;flex-shrink:0}
.photo-slot img{width:100%;height:100%;object-fit:cover}
.photo-add-wrap{flex:1;display:flex;flex-direction:column;gap:6px}
.photo-label{font-size:13px;font-weight:600}
.photo-btns{display:flex;gap:6px;flex-wrap:wrap}
.media-strip{display:flex;gap:8px;overflow-x:auto;padding:2px 0 6px;margin-bottom:10px;-webkit-overflow-scrolling:touch}
.media-strip::-webkit-scrollbar{display:none}
.media-slot{width:84px;height:84px;border-radius:var(--radius-sm);flex-shrink:0;position:relative;overflow:hidden;background:var(--bg)}
.media-slot img,.media-slot video{width:100%;height:100%;object-fit:cover;display:block}
.del-media{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:50%;background:rgba(0,0,0,.65);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;border:none;z-index:2}
.vid-badge{position:absolute;bottom:4px;left:4px;background:rgba(0,0,0,.6);color:#fff;font-size:10px;padding:1px 5px;border-radius:4px;pointer-events:none}
.media-add{width:84px;height:84px;border-radius:var(--radius-sm);background:var(--bg);border:1.5px dashed var(--border-mid);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;flex-shrink:0;color:var(--text-muted);font-size:11px;font-weight:500}
.media-add .add-icon{font-size:22px}

/* ferias */
.feria-row{display:flex;align-items:center;gap:10px;padding:12px;border:.5px solid var(--border);border-radius:var(--radius);margin-bottom:8px;cursor:pointer;background:#fff}
.feria-row.current{border:1.5px solid var(--green);background:var(--green-light)}
.feria-row-main{flex:1;min-width:0}
.feria-row-name{font-size:15px;font-weight:600}
.feria-row-meta{font-size:12px;color:var(--text-muted);margin-top:2px}
.icon-btn{background:var(--bg);border:none;border-radius:50%;width:36px;height:36px;font-size:15px;flex-shrink:0}

/* usuario */
.user-head{display:flex;align-items:center;gap:14px;padding:2px 0 16px}
.user-name{font-size:17px;font-weight:600}
.menu-btn{width:100%;background:var(--bg);border:.5px solid var(--border);border-radius:var(--radius-sm);padding:13px 16px;font-size:15px;text-align:left;margin-bottom:8px;color:var(--text)}
.sync-detail{font-size:12px;color:var(--text-muted);background:var(--bg);border-radius:var(--radius-sm);padding:10px 12px;margin-bottom:10px;line-height:1.5}

/* login */
.login-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 24px;gap:18px;overflow-y:auto}
.login-logo{font-size:46px}
.login-title{font-size:28px;font-weight:600;letter-spacing:-.5px}
.login-sub{font-size:15px;color:var(--text-muted)}
.fixed-users{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;max-width:340px}
.fixed-user-btn{background:var(--bg-card);border:1.5px solid var(--border);border-radius:var(--radius);padding:20px 16px;display:flex;flex-direction:column;align-items:center;gap:10px;width:100%}
.fixed-user-btn.sel{border-color:var(--green);background:var(--green-light)}
.fixed-user-avatar{width:54px;height:54px;border-radius:50%;background:var(--green);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff}
.fixed-user-avatar.purple{background:var(--purple)}
.fixed-user-name{font-size:16px;font-weight:600;color:var(--text)}
.login-new{width:100%;max-width:340px;display:flex;flex-direction:column;gap:8px}
.login-new input{width:100%;background:var(--bg-card);border:.5px solid var(--border-mid);border-radius:var(--radius-sm);padding:13px 16px;font-size:16px;font-family:var(--font);outline:none;-webkit-appearance:none}
.login-new input:focus{border-color:var(--green)}
.login-error{font-size:13px;color:var(--red);text-align:center;min-height:18px}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.94);z-index:300;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px}
.lightbox.hidden{display:none}
.lightbox-media{max-width:100%;max-height:82vh;display:flex;align-items:center;justify-content:center}
.lightbox-media img,.lightbox-media video{max-width:100vw;max-height:80vh;object-fit:contain}
.lightbox-close{position:absolute;top:calc(14px + env(safe-area-inset-top));right:14px;color:#fff;font-size:22px;background:rgba(255,255,255,.15);width:42px;height:42px;border-radius:50%;border:none;z-index:2}
.lb-dots{display:flex;gap:10px}
.lb-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.35);border:none;padding:0}
.lb-dot.active{background:#fff}

/* camara */
.camera{position:fixed;inset:0;background:#000;z-index:400;display:none;flex-direction:column}
.camera.open{display:flex}
.camera video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cam-flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none}
.cam-flash.go{animation:flash .25s}
@keyframes flash{0%{opacity:.8}100%{opacity:0}}
.cam-top{position:relative;display:flex;align-items:center;justify-content:space-between;padding:calc(12px + env(safe-area-inset-top)) 14px 12px;background:linear-gradient(rgba(0,0,0,.55),transparent)}
.cam-title{color:#fff;font-size:15px;font-weight:600;text-align:center;flex:1;padding:0 8px;text-shadow:0 1px 3px rgba(0,0,0,.5)}
.cam-round{width:44px;height:44px;border-radius:50%;border:none;background:rgba(0,0,0,.45);color:#fff;font-size:20px}
.cam-round.on{background:#fff176}
.cam-thumbs{position:absolute;left:12px;right:12px;bottom:calc(120px + env(safe-area-inset-bottom));display:flex;gap:8px;justify-content:center}
.cam-thumbs img{width:56px;height:56px;object-fit:cover;border-radius:8px;border:2px solid #fff}
.cam-bottom{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;padding:16px 24px calc(22px + env(safe-area-inset-bottom));background:linear-gradient(transparent,rgba(0,0,0,.6))}
.cam-shutter{width:76px;height:76px;border-radius:50%;border:5px solid #fff;background:rgba(255,255,255,.3);color:#fff;font-weight:700;font-size:14px}
.cam-shutter:active{background:rgba(255,255,255,.75)}
.cam-side{width:56px;height:56px;border-radius:50%;background:rgba(0,0,0,.45);color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;border:none;position:relative;overflow:hidden}
.cam-side input{position:absolute;inset:0;opacity:0}
.cam-side.wide{width:auto;min-width:56px;padding:0 16px;border-radius:28px;font-size:14px;font-weight:600;background:var(--green)}

.toast{position:fixed;bottom:calc(84px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%) translateY(20px);background:#1a1a18;color:#fff;padding:10px 18px;border-radius:20px;font-size:13px;font-weight:500;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;z-index:999;max-width:calc(100vw - 32px);text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@keyframes blink{0%,80%,100%{opacity:.3}40%{opacity:1}}