*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:#f8f5f0;min-height:100vh;color:#1a1a2e}
.hidden{display:none!important}
.header{background:#1a1a2e;padding:1rem;position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,0.15)}
.header-row{display:flex;align-items:center;gap:10px}
.btn-back{background:rgba(255,255,255,0.1);border:none;border-radius:8px;width:36px;height:36px;cursor:pointer;color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 0.2s}
.btn-back:active{background:rgba(255,255,255,0.25)}
.header-title{color:#fff;font-weight:700;font-size:17px}
.header-sub{color:rgba(255,255,255,0.5);font-size:12px}

.tabs{display:flex;gap:2px;background:rgba(255,255,255,0.08);border-radius:10px;padding:3px;margin-top:.75rem; overflow-x: auto;}
.tab{flex:1;background:transparent;border:none;border-radius:8px;padding:.5rem;cursor:pointer;font-size:11px;font-weight:600;color:rgba(255,255,255,0.5);transition:all .15s; white-space: nowrap; min-width: 70px;}
.tab.active{background:#fff;color:#1a1a2e}

/* BUSCADOR */
.search-container {padding: 8px 14px;background: #fff;border-bottom: 1.5px solid #e8e0d5;display: flex;gap: 8px;}
.search-input {flex: 1;padding: 10px 14px;border: 1.5px solid #e8e0d5;border-radius: 10px;font-size: 14px;outline: none;background: #fdfcfb;}
.search-input:focus {border-color: #1a1a2e;background: #fff;}

/* LOGIN */
#loginScreen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1rem}
.app-logo{width:85px;height:85px;border-radius:22px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;background:#1a1a2e;box-shadow:0 8px 20px rgba(26,26,46,0.15);flex-shrink:0}
.app-logo img,.store-icon img{width:100%;height:100%;object-fit:cover}
.app-title{font-size:28px;font-weight:800;color:#1a1a2e;margin-bottom:4px;letter-spacing:-0.5px;text-align:center;}
.app-sub{color:#8c8275;font-size:14px;margin-bottom:2.5rem;text-align:center;}
.store-btns{width:100%;max-width:360px;display:flex;flex-direction:column;gap:11px}

.btn-store{background:#fff;border:1.5px solid #e0d8cf;border-radius:16px;padding:.9rem 1.25rem;display:flex;align-items:center;gap:14px;cursor:pointer;width:100%;transition:all .15s;text-align:left;box-shadow:0 2px 4px rgba(0,0,0,0.02)}
.btn-store:active{background:#f5f0e8;transform:scale(0.98)}
.store-icon{width:46px;height:46px;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#f5f0e8;flex-shrink:0;box-shadow:inset 0 2px 4px rgba(0,0,0,0.05)}
.s-info strong{display:block;font-size:15px;color:#1a1a2e}
.s-info em{font-size:12px;color:#888;font-style:normal;display:block;margin-top:1px}
.s-arrow{margin-left:auto;color:#ccc;font-size:20px}
.btn-admin-login{background:#1a1a2e!important;border-color:#1a1a2e!important;margin-top:6px}
.btn-admin-login .s-info strong,.btn-admin-login .s-arrow{color:#fff!important}
.btn-admin-login .s-info em{color:rgba(255,255,255,0.5)!important}

/* PIN - CORRECCIÓN DE VELOCIDAD */
#pinScreen{min-height:100vh;display:none;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1rem}
.pin-store-name{font-size:22px;font-weight:800;color:#1a1a2e;margin-bottom:6px;text-align:center}
.pin-hint{font-size:13px;color:#888;margin-bottom:2rem;text-align:center}
.pin-dots{display:flex;gap:14px;margin-bottom:2rem;flex-wrap:wrap;justify-content:center;max-width:280px}
.pin-dot{width:14px;height:14px;border-radius:50%;background:#e8e0d5;transition:background 0.05s, transform 0.05s;flex-shrink:0}
.pin-dot.filled{background:#1a1a2e;transform:scale(1.15)}
.pin-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%;max-width:280px}
.pin-btn{background:#fff;border:1.5px solid #e8e0d5;border-radius:16px;padding:1.1rem;font-size:22px;font-weight:700;color:#1a1a2e;cursor:pointer;transition:background 0.05s, transform 0.05s;text-align:center;box-shadow:0 2px 4px rgba(0,0,0,0.02)}
.pin-btn:active{background:#f0ebe4;transform:scale(0.93)}
.pin-error{color:#e85d04;font-size:13px;text-align:center;margin-top:1rem;min-height:20px;font-weight:600}

/* POS */
#posScreen{display:none}
.success-banner{background:#2d8653;color:#fff;padding:.9rem;text-align:center;font-weight:600;font-size:15px;position:sticky;top:62px;z-index:45;box-shadow:0 2px 8px rgba(0,0,0,0.1); display:flex; justify-content:center; align-items:center; gap:10px;}
.products-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:.875rem}
.product-card{background:#fff;border-radius:18px;overflow:hidden;border:1.5px solid #e8e0d5;transition:all .2s;display:flex;flex-direction:column}
.product-card.in-cart{border-color:#e85d04;border-width:2px;box-shadow:0 4px 12px rgba(232,93,4,0.08)}
.product-photo{position:relative;height:110px;background:#f5f0e8;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-photo img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.p-icon{font-size:44px;z-index:1}
.btn-photo-p{position:absolute;bottom:6px;right:6px;background:rgba(0,0,0,0.6);border:none;border-radius:8px;width:30px;height:30px;cursor:pointer;color:#fff;font-size:14px;display:flex;align-items:center;justify-content:center;z-index:2;transition:background 0.2s}
.cart-qty-badge{position:absolute;top:6px;left:6px;background:#e85d04;border-radius:20px;padding:3px 8px;font-size:11px;font-weight:700;color:#fff;z-index:2;box-shadow:0 2px 6px rgba(232,93,4,0.3)}
.stock-badge{position:absolute;top:6px;right:6px;background:rgba(26,26,46,0.75);color:#fff;font-size:10px;font-weight:600;padding:2px 6px;border-radius:6px;z-index:2;backdrop-filter:blur(2px)}
.stock-badge.empty{background:#c0392b;font-weight:700}
.stock-badge.low{background:#e67e22;font-weight:700;color:#fff}
.p-info{padding:.75rem;flex:1;display:flex;flex-direction:column;justify-content:space-between}
.p-name{font-size:13px;font-weight:700;color:#1a1a2e;margin-bottom:6px;line-height:1.3;min-height:34px}

/* PRICE BUTTONS */
.price-btns{display:flex;gap:4px;margin-bottom:8px}
.price-btn{flex:1;border:1.5px solid #e8e0d5;background:#f8f5f0;border-radius:8px;padding:5px 2px;font-size:11px;font-weight:700;color:#1a1a2e;cursor:pointer;text-align:center;transition:all .15s;line-height:1.2}
.price-btn:active{background:#e8e0d5}
.price-btn.selected{background:#1a1a2e;color:#fff;border-color:#1a1a2e}
.price-btn.empty{color:#ccc;font-size:10px;font-weight:400;pointer-events:none}
.btn-add-cart{width:100%;background:#1a1a2e;border:none;border-radius:10px;padding:.55rem;color:#fff;font-weight:700;font-size:13px;cursor:pointer;transition:all 0.15s;display:flex;align-items:center;justify-content:center;gap:4px}
.btn-add-cart.added{background:#e85d04}
.btn-add-cart.disabled{background:#cccccc!important;color:#666666!important;cursor:not-allowed;pointer-events:none}

/* CART */
.cart-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1.5px solid #e8e0d5;padding:1rem;box-shadow:0 -6px 25px rgba(0,0,0,.12);z-index:40;border-radius:18px 18px 0 0}
.cart-items-list{margin-bottom:.75rem;max-height:140px;overflow-y:auto}
.cart-row{display:flex;align-items:center;padding:6px 0;border-bottom:0.5px solid #f5f0e8}
.cart-row:last-child{border-bottom:none}
.cart-row-name{font-size:13px;color:#222;flex:1;font-weight:500;padding-right:8px}
.cart-controls{display:flex;align-items:center;gap:6px}
.btn-qty{width:28px;height:28px;border-radius:9px;border:1.5px solid #e8e0d5;background:#f5f0e8;cursor:pointer;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:all 0.1s}
.btn-qty:active{background:#d8cfc4;transform:scale(0.9)}
.cart-row-qty{font-size:13px;font-weight:700;min-width:20px;text-align:center}
.cart-row-total{font-size:13px;font-weight:800;color:#1a1a2e;min-width:70px;text-align:right}
.btn-confirm-sale{width:100%;background:#2d8653;border:none;border-radius:14px;padding:1rem;color:#fff;font-weight:700;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 12px rgba(45,134,83,0.25);transition:all 0.15s}
.btn-confirm-sale:active{transform:scale(0.98);box-shadow:none}

/* STORE HISTORY & GASTOS */
.history-container {padding: 1rem; padding-bottom: 3rem;}
.date-header {font-weight:800; color:#1a1a2e; font-size:15px; margin: 15px 0 8px; border-bottom: 2px solid #e8e0d5; padding-bottom: 8px;}

/* BODEGA */
.bale-card {background:#fff; border-radius:12px; padding:15px; border:1.5px solid #e8e0d5; margin-bottom:12px; display:flex; flex-direction:column; gap:8px;}
.bale-header {display:flex; justify-content:space-between; align-items:center;}
.bale-title {font-weight:800; font-size:15px; color:#1a1a2e;}
.bale-status {font-size:11px; font-weight:700; padding:3px 8px; border-radius:10px; background:#f5f0e8; color:#7a7062;}
.bale-status.open {background:#e8f4ec; color:#2d8653;}
.btn-open-bale {background:#1a1a2e; color:#fff; border:none; border-radius:8px; padding:8px; font-size:13px; font-weight:700; cursor:pointer; text-align:center;}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:flex-end;z-index:100;backdrop-filter:blur(3px)}
.modal-overlay.open{display:flex}
.modal{background:#fff;width:100%;border-radius:24px 24px 0 0;padding:1.5rem 1.25rem;max-height:85vh;overflow-y:auto;box-shadow:0 -8px 30px rgba(0,0,0,0.15)}
.modal h3{font-size:18px;font-weight:800;color:#1a1a2e;margin-bottom:1.25rem;letter-spacing:-0.3px}
.form-group{margin-bottom:1.1rem}
.form-group label{font-size:13px;color:#5c544a;display:block;margin-bottom:6px;font-weight:600}
.form-input{width:100%;padding:.8rem;border:1.5px solid #e8e0d5;border-radius:12px;font-size:15px;outline:none;background:#fdfcfb;transition:border-color 0.15s}
.btn-primary{width:100%;background:#1a1a2e;border:none;border-radius:14px;padding:.9rem;color:#fff;font-weight:700;font-size:15px;cursor:pointer;margin-top:4px;transition:all 0.15s;text-align:center}
.btn-danger{background:#c0392b!important;box-shadow:0 4px 10px rgba(192,57,43,0.2)}
.btn-success{background:#2d8653!important;box-shadow:0 4px 10px rgba(45,134,83,0.2)}
.btn-outline{background:#fff!important;border:1.5px solid #e8e0d5!important;color:#444!important;box-shadow:none}

.confirm-sale-total{font-size:34px;font-weight:800;color:#2d8653;text-align:center;padding:1.25rem 0;letter-spacing:-0.5px}
.confirm-items{background:#f8f5f0;border-radius:14px;padding:1rem;margin-bottom:1.25rem;border:1px solid #e8e0d5}
.confirm-item-row{display:flex;justify-content:space-between;font-size:14px;padding:6px 0;border-bottom:1px solid #e8e0d5}
.confirm-item-row:last-child{border-bottom:none}

/* BOTONES DE REBAJA */
.btn-discount { background: #fff; border: 1.5px solid #e8e0d5; border-radius: 8px; color: #1a1a2e; font-weight: 600; cursor: pointer; transition: all 0.1s; padding:6px; font-size:13px; flex:1;}
.btn-discount:active { background: #f0ebe4; }
.btn-discount.active-discount { background: #1a1a2e; color: #fff; border-color: #1a1a2e; }

/* ADMIN */
#adminScreen{display:none}
.admin-content{padding:1rem;padding-bottom:4rem}
.stat-card{background:#fff;border-radius:16px;padding:1rem 1.1rem;border:1.5px solid #e8e0d5;box-shadow:0 2px 4px rgba(0,0,0,0.01)}
.stat-label{font-size:12px;color:#8c8275;margin-bottom:4px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}
.stat-value{font-size:22px;font-weight:800;color:#1a1a2e}
.stat-value.green{color:#2d8653}
.stat-value.red{color:#c0392b}
.section-title{font-size:16px;font-weight:800;color:#1a1a2e;margin:1.25rem 0 .75rem;display:flex;justify-content:space-between;align-items:center}
.sale-card{background:#fff;border-radius:14px;padding:1rem;border:1.5px solid #e8e0d5;margin-bottom:8px}
.empty-state{color:#aaa;text-align:center;padding:3rem 1rem;font-size:14px}

/* ACCORDION */
.accordion{background:#fff;border-radius:16px;border:1.5px solid #e8e0d5;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 4px rgba(0,0,0,0.01)}
.accordion-header{padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between;cursor:pointer;background:#f8f5f0;transition:background 0.2s}
.accordion-title{font-weight:800;font-size:15px;color:#1a1a2e}
.accordion-meta{font-size:12px;color:#7a7062;margin-top:2px;font-weight:500}
.accordion-arrow{font-size:16px;color:#999;transition:transform .2s}
.accordion-arrow.open{transform:rotate(180deg)}
.accordion-body{display:none;padding:.75rem 1rem;background:#fff}
.accordion-body.open{display:block}

/* PRODUCT ADMIN ROW */
.prod-admin-row{display:flex;align-items:center;gap:10px;padding:.75rem 0;border-bottom:1px solid #f5f0e8}
.prod-admin-row:last-child{border-bottom:none}
.prod-admin-photo{width:44px;height:44px;border-radius:10px;overflow:hidden;flex-shrink:0;background:#f5f0e8;display:flex;align-items:center;justify-content:center;border:1px solid #e8e0d5}
.prod-admin-info{flex:1;min-width:0}
.prod-admin-name{font-size:13px;font-weight:700;color:#1a1a2e;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prod-admin-meta{font-size:11px;color:#7a7062;margin-top:2px;font-weight:500}
.btn-action-sm{background:none;border:1.5px solid #e8e0d5;border-radius:10px;padding:6px 10px;font-size:13px;color:#444;cursor:pointer;flex-shrink:0;transition:all 0.15s}

/* STORE CIERRE CARD */
.store-admin-card{background:#fff;border-radius:18px;border:1.5px solid #e8e0d5;margin-bottom:16px;overflow:hidden;box-shadow:0 2px 4px rgba(0,0,0,0.01)}
.store-admin-header{padding:1rem 1.25rem;background:#f5f0e8;display:flex;align-items:center;justify-content:space-between;border-bottom:1.5px solid #e8e0d5}
.btn-cierre{background:#1a1a2e;color:#fff;border:none;border-radius:12px;padding:.75rem 1rem;font-size:13px;font-weight:700;cursor:pointer;margin-top:.75rem;width:100%;transition:all 0.15s}

/* CIERRE HISTORY */
.cierre-card{background:#fff;border-radius:16px;border:1.5px solid #e8e0d5;margin-bottom:12px;overflow:hidden;}
.cierre-header{background:#1a1a2e;padding:.85rem 1.1rem;display:flex;justify-content:space-between;align-items:center}
.cierre-body{padding:.875rem 1.1rem}
.cierre-row{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;border-bottom:1px solid #f5f0e8}

/* EXPORT BUTTON */
.btn-export{background:#2d8653;color:#fff;border:none;border-radius:10px;padding:6px 12px;font-size:12px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:4px;}

/* TOAST */
.toast{position:fixed;bottom:110px;left:50%;transform:translateX(-50%) translateY(20px);background:#1a1a2e;color:#fff;padding:12px 24px;border-radius:24px;font-size:13px;font-weight:700;z-index:300;opacity:0;transition:all .3s ease;pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.sync-status { position:fixed; top:8px; left:50%; transform:translateX(-50%); font-size:11px; background:rgba(0,0,0,0.8); color:#fff; padding:6px 14px; border-radius:20px; z-index:200; font-weight:600;}
.btn-print-banner { background: #fff; color: #2d8653; border: none; border-radius: 8px; padding: 6px 12px; font-weight: 700; cursor: pointer; font-size: 13px;}

/* PANTALLA DE CARGA / PROTECCIÓN DE DATOS */
@keyframes spin { 100% { transform: rotate(360deg); } }
.saving-overlay { position:fixed; inset:0; background:rgba(26,26,46,0.85); z-index:9999; display:none; flex-direction:column; align-items:center; justify-content:center; color:#fff; backdrop-filter:blur(4px); }
.saving-spinner { font-size:50px; animation:spin 1s linear infinite; margin-bottom:15px; }

@media print {
  body { background: #fff !important; margin: 0; padding: 0; }
  body > *:not(#printArea) { display: none !important; }
  #printArea { display: block !important; position: absolute; left: 0; top: 0; width: 100%; margin: 0; padding: 10px; color:#000; }
  #printArea.hidden { display: block !important; }
  @page { margin: 5mm; }
}