/* ==============================================
   LAPTOPS EXPERIENCE - BRUTAL ROJO/NEGRO v5.0
   Diseño profesional y agresivo
   ============================================== */

/* ============================================== 
   VARIABLES GLOBALES - BRUTAL ROJO/NEGRO
   ============================================== */
:root{
  --primary:#dc2626;
  --primary-hover:#ef4444;
  --bg:#000;
  --bg-secondary:#1a1a1a;
  --sidebar-bg:#000;
  --text:#fff;
  --text-secondary:#999;
  --border:#dc2626;
  --shadow:rgba(220,38,38,0.3);
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --sidebar-width:280px;
}

/* ============================================== 
   RESET BÁSICO
   ============================================== */
*{margin:0;padding:0;box-sizing:border-box}
html,body{overflow-x:hidden;width:100%;max-width:100vw;position:relative}
html.sidebar-active,body.sidebar-active{overflow:hidden!important;height:100vh}
html.modal-open,body.modal-open,html.image-modal-open,body.image-modal-open{overflow:hidden!important;height:100vh}
body{font-family:'Inter',-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
img{max-width:100%;height:auto;display:block}

/* ============================================== 
   SCROLLBAR PERSONALIZADO
   ============================================== */
*::-webkit-scrollbar{width:8px;height:8px}
*::-webkit-scrollbar-track{background:#1a1a1a}
*::-webkit-scrollbar-thumb{background:var(--primary);border-radius:10px}
*::-webkit-scrollbar-thumb:hover{background:var(--primary-hover)}

/* ============================================== 
   LOGIN PAGE STYLES
   ============================================== */
.login-container{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;width:100%}
.login-left{display:flex;align-items:center;justify-content:center;padding:3rem;background:#000}
.login-right{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#dc2626 0%,#7f1d1d 100%);color:#fff;padding:3rem;position:relative;overflow:hidden}
.login-right::before{content:'';position:absolute;top:-50%;right:-50%;width:100%;height:100%;background:radial-gradient(circle,rgba(220,38,38,0.3) 0%,transparent 70%);animation:pulse 8s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:0.3}50%{transform:scale(1.1);opacity:0.5}}
.login-card{width:100%;max-width:420px;background:#0a0a0a;border-radius:24px;padding:3rem;box-shadow:0 20px 60px rgba(220,38,38,0.4);border:2px solid var(--border)}
.login-brand{text-align:center;margin-bottom:2.5rem;padding-bottom:2rem;border-bottom:2px solid var(--border)}
.login-brand h1{font-size:2rem;font-weight:800;color:var(--primary);margin-bottom:0.5rem;letter-spacing:-0.5px;text-shadow:0 0 20px rgba(220,38,38,0.5)}
.login-brand p{color:#999;font-size:0.95rem;font-weight:500}
.login-header{text-align:center;margin-bottom:2rem}
.login-header h2{font-size:1.75rem;font-weight:700;color:#fff;margin-bottom:0.5rem}
.login-header p{color:#999;font-size:0.95rem}
.login-form{display:flex;flex-direction:column;gap:1.5rem}
.error-message{background:rgba(220,38,38,0.15);color:#dc2626;padding:1rem 1.25rem;border-radius:12px;font-size:0.9rem;font-weight:600;display:none;border-left:4px solid #dc2626;animation:slideDown 0.3s ease}
.error-message.show{display:block}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.login-footer{margin-top:2rem;text-align:center}
.back-link{color:#999;text-decoration:none;font-size:0.9rem;font-weight:500;display:inline-flex;align-items:center;gap:0.5rem;transition:all 0.3s ease}
.back-link:hover{color:var(--primary);transform:translateX(-4px)}
.login-illustration{text-align:center;max-width:500px}
.login-icon{width:120px;height:120px;margin:0 auto 2rem auto;background:rgba(220,38,38,0.2);border-radius:24px;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(10px);border:2px solid rgba(220,38,38,0.5);box-shadow:0 8px 32px rgba(220,38,38,0.3)}
.login-icon svg{width:64px;height:64px;stroke:#fff;stroke-width:1.5}
.login-illustration h3{font-size:2rem;font-weight:700;margin-bottom:1rem;color:#fff}
.login-illustration p{font-size:1.1rem;color:rgba(255,255,255,0.9);line-height:1.6}

/* ============================================== 
   SIDEBAR (TIENDA Y ADMIN) - UNIFICADO
   ============================================== */
.sidebar,.admin-sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:#000;padding:0;overflow-y:auto;z-index:1000;box-shadow:4px 0 24px rgba(220,38,38,0.4);transition:transform 0.3s ease;transform:translateX(-100%);display:flex;flex-direction:column;border-right:3px solid var(--primary)}
.sidebar.active,.sidebar.open,.admin-sidebar.open{transform:translateX(0)}
.sidebar::-webkit-scrollbar-thumb,.admin-sidebar::-webkit-scrollbar-thumb{background:var(--primary)}
.sidebar::-webkit-scrollbar-thumb:hover,.admin-sidebar::-webkit-scrollbar-thumb:hover{background:var(--primary-hover)}

/* Header del sidebar */
.sidebar-header{padding:2rem 1.5rem;border-bottom:2px solid var(--border);margin-bottom:1rem;background:#0a0a0a}
.logo{font-size:1.5rem;font-weight:800;color:#fff;letter-spacing:-0.5px;line-height:1.2;margin-bottom:0.5rem;display:flex;align-items:center;gap:0.75rem;text-shadow:0 0 20px rgba(220,38,38,0.5)}
.logo img{height:45px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}
.logo-subtitle{font-size:0.875rem;color:#999;font-weight:400;line-height:1.2}

/* Navegación del sidebar */
.nav,.admin-nav{padding:0 0 1.5rem 0;flex:1}
.nav-section{margin-bottom:1.5rem}
.nav-title{font-size:0.7rem;font-weight:700;color:#666;text-transform:uppercase;letter-spacing:0.1em;padding:0 2rem;margin-bottom:1rem}
.nav a,.admin-nav a,.nav-link{display:flex;align-items:center;gap:0.75rem;padding:0.875rem 2rem;color:#999;text-decoration:none;font-size:0.95rem;font-weight:500;transition:all 0.3s ease;border-left:3px solid transparent}
.nav a svg,.admin-nav a svg,.nav-link svg{flex-shrink:0;color:#999}
.nav a:hover,.admin-nav a:hover,.nav-link:hover{background:#1a1a1a;color:#fff;border-left-color:var(--primary)}
.nav a:hover svg,.admin-nav a:hover svg,.nav-link:hover svg{color:var(--primary)}
.nav a.active,.admin-nav a.active,.nav-link.active{background:#1a1a1a;color:var(--primary);border-left-color:var(--primary);font-weight:600;box-shadow:inset 0 0 20px rgba(220,38,38,0.1)}
.nav a.active svg,.admin-nav a.active svg,.nav-link.active svg{color:var(--primary)}

/* Footer del sidebar */
.sidebar-footer{padding:1.5rem 2rem;border-top:2px solid var(--border);margin-top:auto;background:#0a0a0a}
.sidebar-actions{display:flex;flex-direction:column;gap:0.75rem}
.sidebar-actions .btn{justify-content:center;background:#1a1a1a;color:#fff;border:2px solid var(--border)}
.sidebar-actions .btn:hover{background:var(--primary);color:#000;border-color:var(--primary);box-shadow:0 0 20px rgba(220,38,38,0.5)}
.sidebar-info{display:flex;align-items:center;gap:0.75rem;padding:1rem;background:#1a1a1a;border-radius:12px;color:#fff;text-decoration:none;transition:all 0.3s ease;border:2px solid var(--border)}
.sidebar-info:hover{background:var(--primary);color:#000;border-color:var(--primary);box-shadow:0 0 20px rgba(220,38,38,0.5)}
.sidebar-info svg{flex-shrink:0;color:#999}
.sidebar-info:hover svg{color:#000}
.sidebar-info-label{font-size:0.7rem;text-transform:uppercase;letter-spacing:0.05em;color:#666;margin-bottom:0.25rem}
.sidebar-info:hover .sidebar-info-label{color:#000}
.sidebar-info-value{font-weight:600;font-size:0.9rem}

/* Overlay para cerrar sidebar en móvil */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.8);z-index:999;opacity:0;transition:opacity 0.3s ease}
.sidebar-overlay.active{display:block;opacity:1}

/* ============================================== 
   HAMBURGER BUTTON
   ============================================== */
.hamburger-btn{position:fixed;top:1rem;left:1rem;z-index:1001;width:44px;height:44px;background:var(--primary);border:2px solid var(--primary);border-radius:12px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:0 4px 12px rgba(220,38,38,0.5),0 0 20px rgba(220,38,38,0.3);transition:left 0.3s ease,background 0.3s ease,transform 0.3s ease;padding:0}
.hamburger-btn span{display:block;width:20px;height:2px;background:#000;border-radius:2px;transition:all 0.3s ease;transform-origin:center}
.hamburger-btn:hover{background:var(--primary-hover);box-shadow:0 6px 20px rgba(220,38,38,0.6),0 0 30px rgba(220,38,38,0.4);transform:scale(1.05)}
.hamburger-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger-btn.active span:nth-child(2){opacity:0}
.hamburger-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ==============================================
   MAIN CONTENT
   ============================================== */
.main-content,.admin-main{min-height:100vh;display:flex;flex-direction:column;background:#000;width:100%;transition:margin-left 0.3s ease;margin-left:0}

/* Header principal */
.header{background:#0a0a0a;border-bottom:2px solid var(--border);padding:1.5rem 2.5rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;box-shadow:0 4px 12px rgba(220,38,38,0.3)}
.header-title{font-size:1.75rem;font-weight:700;color:var(--primary);text-align:center;margin:0;text-shadow:0 0 20px rgba(220,38,38,0.4);flex:1}
.header-actions{display:flex;gap:1rem;align-items:center}
.header-badges{display:flex;gap:0.5rem;align-items:center;margin-right:1rem}

/* Container principal */
.container,.dashboard{flex:1;padding:2.5rem;max-width:1600px;width:100%;margin:0 auto}

/* ============================================== 
   SISTEMA DE VISTAS
   ============================================== */
.view{display:none}
.view.active{display:block}

/* ============================================== 
   PAGE HEADER - SIN DESCRIPCIONES
   ============================================== */
.page-header{margin-bottom:2.5rem;text-align:center;display:none}
.category-header{margin-bottom:2rem;text-align:center;display:none}

/* ============================================== 
   STATS DASHBOARD GRID
   ============================================== */
.stats-dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:3rem}
.stat-card-modern{background:#0a0a0a;border:2px solid var(--border);border-radius:16px;padding:1.5rem 2rem;transition:all 0.3s ease;display:flex;gap:1.5rem;align-items:center;min-height:120px;box-shadow:0 4px 12px rgba(220,38,38,0.2)}
.stat-card-modern:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(220,38,38,0.4),0 0 30px rgba(220,38,38,0.2);border-color:var(--primary-hover)}
.stat-icon-mono{width:64px;height:64px;background:linear-gradient(135deg,#dc2626 0%,#7f1d1d 100%);color:#fff;border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 12px rgba(220,38,38,0.4)}
.stat-icon-warning{background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%)}
.stat-icon-danger{background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%)}
.stat-icon-info{background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%)}
.stat-content{flex:1;min-width:0}
.stat-label{font-size:0.8rem;color:#666;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:0.5rem}
.stat-value-large{font-size:2.25rem;font-weight:800;color:#fff;line-height:1;margin-bottom:0.375rem;text-shadow:0 0 15px rgba(255,255,255,0.2)}
.stat-value-warning{color:var(--warning)}
.stat-value-danger{color:var(--danger)}
.stat-value-info{color:#3b82f6}
.stat-detail{font-size:0.875rem;color:#999;font-weight:500}

/* ============================================== 
   BOTONES
   ============================================== */
.btn{padding:0.625rem 1.25rem;border-radius:12px;border:2px solid var(--border);font-weight:600;font-size:0.875rem;cursor:pointer;transition:all 0.3s ease;display:inline-flex;align-items:center;gap:0.5rem;text-decoration:none;background:#1a1a1a;color:#fff;box-shadow:0 2px 8px rgba(220,38,38,0.2);font-family:inherit}
.btn:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(220,38,38,0.4);border-color:var(--primary-hover)}
.btn-primary{background:var(--primary);color:#000;border:none;font-weight:700;box-shadow:0 4px 12px rgba(220,38,38,0.4)}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 8px 24px rgba(220,38,38,0.6),0 0 20px rgba(220,38,38,0.4)}
.btn-ghost{background:transparent;border-color:var(--border)}
.btn-ghost:hover{background:#1a1a1a}
.btn-large{padding:0.875rem 1.5rem;font-size:1rem}
.btn-block{width:100%;justify-content:center}
.btn-icon{width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:10px;border:2px solid var(--border);background:#1a1a1a;cursor:pointer;transition:all 0.3s ease}
.btn-icon:hover{transform:scale(1.1);box-shadow:0 4px 12px rgba(220,38,38,0.3)}
.btn-icon-edit{color:var(--primary);border-color:var(--primary)}
.btn-icon-edit:hover{background:var(--primary);color:#000;box-shadow:0 0 20px rgba(220,38,38,0.5)}
.btn-icon-delete{color:var(--danger);border-color:var(--danger)}
.btn-icon-delete:hover{background:var(--danger);color:#000}

/* ============================================== 
   FORMULARIO DE PRODUCTOS
   ============================================== */
.product-form-card{background:#0a0a0a;border:2px solid var(--border);border-radius:20px;padding:2.5rem;box-shadow:0 8px 24px rgba(220,38,38,0.3)}
.form-section{margin-bottom:2.5rem;padding-bottom:2.5rem;border-bottom:2px solid #1a1a1a}
.form-section:last-of-type{margin-bottom:0;border-bottom:none;padding-bottom:0}
.form-section-title{font-size:1.25rem;font-weight:700;margin-bottom:1.5rem;color:var(--primary);display:flex;align-items:center;gap:0.75rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.form-group-full{grid-column:1/-1}
.form-group{display:flex;flex-direction:column;gap:0.5rem;margin-bottom:1.5rem}
.form-group label{font-weight:600;color:#fff;font-size:0.9rem}
.input-field{width:100%;padding:0.875rem 1rem;border:2px solid #333;border-radius:10px;font-size:0.95rem;background:#0a0a0a;color:#fff;transition:all 0.2s ease;font-family:inherit}
.input-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(220,38,38,0.2)}
.form-hint{font-size:0.8rem;color:#666;font-style:italic}

/* Image upload */
.image-upload-area{position:relative}
.image-input{display:none}
.image-upload-label{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:3rem 2rem;border:2px dashed #333;border-radius:12px;background:#0a0a0a;cursor:pointer;transition:all 0.3s ease;text-align:center}
.image-upload-label:hover{border-color:var(--primary);background:#1a1a1a;box-shadow:0 0 20px rgba(220,38,38,0.2)}
.image-upload-label svg{color:#666;opacity:0.5}
.image-upload-label span{font-weight:600;color:#fff}
.image-upload-label small{font-size:0.85rem;color:#666}
.image-preview{display:none;position:relative;width:100%;max-width:400px;margin:0 auto;border-radius:12px;overflow:hidden;border:2px solid var(--border)}
.image-preview img{width:100%;height:auto;display:block}
.remove-image{position:absolute;top:1rem;right:1rem;width:40px;height:40px;background:var(--danger);color:#fff;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease;box-shadow:0 4px 12px rgba(239,68,68,0.5)}
.remove-image:hover{transform:scale(1.1);box-shadow:0 0 20px rgba(239,68,68,0.6)}
.form-actions{display:flex;gap:1rem;margin-top:2rem;flex-wrap:wrap}
.form-actions .btn{flex:1;min-width:200px}

/* ============================================== 
   DATA CARD
   ============================================== */
.data-card{background:#0a0a0a;border:2px solid var(--border);border-radius:20px;padding:2rem;box-shadow:0 8px 24px rgba(220,38,38,0.3)}
.data-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}
.data-card-header h2{font-size:1.5rem;font-weight:700;color:var(--primary);margin:0;text-shadow:0 0 15px rgba(220,38,38,0.3)}
.data-filters{display:flex;gap:1rem;flex-wrap:wrap}
.search-input,.filter-select{padding:0.75rem 1rem;border:2px solid #333;border-radius:10px;font-size:0.9rem;background:#0a0a0a;color:#fff;font-family:inherit;transition:all 0.2s ease}
.search-input{min-width:250px}
.search-input:focus,.filter-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(220,38,38,0.2)}

/* ============================================== 
   SALES LIST
   ============================================== */
.sales-list{display:flex;flex-direction:column;gap:1.5rem}
.sale-item{background:#0a0a0a;border:2px solid #1a1a1a;border-radius:12px;padding:1.5rem;transition:all 0.3s ease}
.sale-item:hover{transform:translateX(4px);box-shadow:0 4px 12px rgba(220,38,38,0.3);border-color:var(--primary)}
.sale-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:1rem;gap:1rem}
.sale-id{font-size:1.1rem;font-weight:700;color:#fff}
.sale-amount{font-size:1.5rem;font-weight:700;color:var(--primary);text-shadow:0 0 15px rgba(220,38,38,0.3)}
.sale-date{font-size:0.85rem;color:#666;margin-bottom:1rem}
.sale-products{display:flex;flex-direction:column;gap:0.75rem;padding:1rem 0;border-top:2px solid #1a1a1a;border-bottom:2px solid #1a1a1a}
.sale-product{display:flex;justify-content:space-between;align-items:center;gap:1rem}
.sale-product-name{flex:1;font-weight:500;color:#fff}
.sale-product-qty{color:#666;font-size:0.9rem}
.sale-product-price{font-weight:600;color:var(--primary)}

/* Stock badges */
.product-stock,.product-card-stock{display:inline-flex;align-items:center;padding:0.375rem 0.75rem;border-radius:8px;font-size:0.8rem;font-weight:600;gap:0.375rem}
.stock-available,.stock-ok{background:rgba(16,185,129,0.15);color:#10b981;border:1px solid rgba(16,185,129,0.4)}
.stock-low{background:rgba(245,158,11,0.15);color:#f59e0b;border:1px solid rgba(245,158,11,0.4)}
.stock-out{background:rgba(239,68,68,0.15);color:#ef4444;border:1px solid rgba(239,68,68,0.4)}
.stock-transit{background:rgba(59,130,246,0.15);color:#3b82f6;border:1px solid rgba(59,130,246,0.4)}

/* ============================================== 
   PRODUCTS GRID
   ============================================== */
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.product-card-admin{background:#0a0a0a;border:2px solid #1a1a1a;border-radius:16px;padding:1.5rem;transition:all 0.3s ease;display:flex;flex-direction:column;gap:1rem}
.product-card-admin:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(220,38,38,0.3);border-color:var(--primary)}
.product-card-image{width:100%;height:180px;background:#000;border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:2px solid #1a1a1a;position:relative;cursor:pointer}
.product-card-image img{width:100%;height:100%;object-fit:contain;transition:transform 0.3s ease}
.product-card-image:hover img{transform:scale(1.05)}
.product-card-content{flex:1;display:flex;flex-direction:column;gap:0.5rem}
.product-card-category{font-size:0.75rem;color:#666;font-weight:600;text-transform:uppercase;letter-spacing:0.05em}
.product-card-name{font-size:1.05rem;font-weight:600;color:#fff;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card-price{font-size:1.5rem;font-weight:700;color:var(--primary);margin:0.5rem 0;text-shadow:0 0 15px rgba(220,38,38,0.3)}
.product-card-actions{display:flex;gap:0.75rem;margin-top:auto;padding-top:1rem;border-top:2px solid #1a1a1a}

/* ============================================== 
   MODAL CON SCROLL BLOQUEADO
   ============================================== */
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.95);z-index:2000;align-items:center;justify-content:center;backdrop-filter:blur(8px);padding:1rem;overflow-y:auto}
.modal.show{display:flex}
body.modal-open{overflow:hidden!important;height:100vh;position:fixed;width:100%}
.modal-content{background:#0a0a0a;border-radius:20px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(220,38,38,0.5);margin:auto;border:2px solid var(--border)}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:2px solid #1a1a1a;position:sticky;top:0;background:#0a0a0a;z-index:1}
.modal-header h2{font-size:1.5rem;font-weight:700;color:var(--primary);margin:0;text-shadow:0 0 15px rgba(220,38,38,0.3)}
.modal-close{width:36px;height:36px;border:none;background:#1a1a1a;border-radius:8px;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;transition:all 0.3s ease}
.modal-close:hover{background:var(--danger);color:#fff;transform:scale(1.1);box-shadow:0 0 20px rgba(239,68,68,0.5)}
.modal-form{padding:2rem}
.modal-actions{display:flex;gap:1rem;margin-top:1.5rem;flex-wrap:wrap}

/* ============================================== 
   MODAL DE IMAGEN CON SCROLL BLOQUEADO
   ============================================== */
.image-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.95);z-index:3000;align-items:center;justify-content:center;padding:1rem;backdrop-filter:blur(8px);animation:fadeIn 0.2s ease}
.image-modal.show{display:flex}
body.image-modal-open{overflow:hidden!important;height:100vh;position:fixed;width:100%}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.image-modal-content{max-width:900px;width:95%;max-height:85vh;overflow:hidden;background:#0a0a0a;border-radius:16px;box-shadow:0 20px 60px rgba(220,38,38,0.6);display:flex;flex-direction:column;animation:scaleIn 0.3s ease;border:2px solid var(--primary)}
@keyframes scaleIn{from{opacity:0;transform:scale(0.9)}to{opacity:1;transform:scale(1)}}
.image-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:2px solid #1a1a1a;background:#0a0a0a;flex-shrink:0}
.image-modal-header h3{font-size:1.25rem;font-weight:700;margin:0;color:var(--primary);text-shadow:0 0 15px rgba(220,38,38,0.3)}
.image-modal-close{width:36px;height:36px;border:none;background:var(--primary);color:#000;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.25rem;transition:all 0.2s ease;font-weight:bold}
.image-modal-close:hover{transform:scale(1.1);box-shadow:0 0 20px rgba(220,38,38,0.6)}
.image-modal-body{padding:1.5rem;overflow-y:auto;flex:1}
.image-modal-image{width:100%;max-height:50vh;object-fit:contain;border-radius:12px;margin-bottom:1.5rem;border:2px solid #1a1a1a}
.image-modal-description{background:#000;padding:1.25rem;border-radius:12px;margin-bottom:1.25rem;border:2px solid #1a1a1a}
.image-modal-description h4{font-size:1rem;font-weight:700;margin-bottom:0.75rem;color:var(--primary)}
.image-modal-description p{line-height:1.6;color:#fff;white-space:pre-wrap;font-size:0.95rem}
.image-modal-video{margin-top:1.25rem}
.image-modal-video h4{font-size:1rem;font-weight:700;margin-bottom:0.75rem;color:var(--primary)}
.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:12px;border:2px solid #1a1a1a}
.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;border-radius:12px}

/* ============================================== 
   LOADING & EMPTY STATES
   ============================================== */
.loading-state,.empty-state{text-align:center;padding:6rem 2rem;color:#666;display:flex;flex-direction:column;align-items:center;justify-content:center;grid-column:1/-1}
.spinner-large,.spinner{width:48px;height:48px;border:4px solid #1a1a1a;border-top-color:var(--primary);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 1rem auto}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state svg{color:#333;opacity:0.3;margin:0 auto 1.5rem auto;display:block}
.empty-state h3{font-size:1.5rem;margin:0 auto 0.5rem auto;color:#fff;text-align:center}
.empty-state p{max-width:400px;margin:0 auto;text-align:center;line-height:1.6;color:#666}

/* ============================================== 
   FOOTER
   ============================================== */
.footer{background:#0a0a0a;border-top:2px solid var(--border);padding:2rem;text-align:center;color:#666;font-size:0.875rem;margin-top:auto}

/* ============================================== 
   PRODUCTOS DE LA TIENDA
   ============================================== */
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}
.product{background:#0a0a0a;border:2px solid #1a1a1a;border-radius:16px;padding:1.5rem;transition:all 0.3s ease;display:flex;flex-direction:column;position:relative;overflow:hidden;box-shadow:0 4px 12px rgba(220,38,38,0.2)}
.product::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary);transform:scaleX(0);transition:transform 0.4s ease}
.product:hover{transform:translateY(-8px);box-shadow:0 12px 32px rgba(220,38,38,0.4);border-color:var(--primary)}
.product:hover::before{transform:scaleX(1)}
.product-image{width:100%;height:200px;background:#000;border-radius:12px;margin-bottom:1.25rem;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease;position:relative;overflow:hidden;border:2px solid #1a1a1a;cursor:pointer}
.product-image img{width:100%;height:100%;object-fit:contain;transition:transform 0.3s ease}
.product:hover .product-image img{transform:scale(1.05)}
.product h4{font-size:1.05rem;font-weight:600;color:#fff;margin-bottom:0.75rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.8em}
.product-price{font-size:1.5rem;font-weight:700;color:var(--primary);margin:0.75rem 0;text-shadow:0 0 15px rgba(220,38,38,0.3);display:flex;flex-direction:column;gap:0.25rem}
.product-stock{display:inline-flex;align-items:center;padding:0.375rem 0.75rem;border-radius:8px;font-size:0.8rem;font-weight:600;gap:0.375rem;margin-bottom:0.75rem}
.product button{width:100%;padding:0.875rem;border:none;border-radius:12px;background:var(--primary);color:#000;font-weight:700;font-size:0.95rem;cursor:pointer;transition:all 0.3s ease;margin-top:auto;box-shadow:0 4px 12px rgba(220,38,38,0.4)}
.product button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px rgba(220,38,38,0.6),0 0 20px rgba(220,38,38,0.4)}
.product button:disabled{background:#1a1a1a;color:#666;cursor:not-allowed;opacity:0.6;box-shadow:none}
.transit-warning{background:rgba(59,130,246,0.15);color:#3b82f6;padding:0.5rem;border-radius:8px;font-size:0.75rem;font-weight:600;text-align:center;margin:0.5rem 0;border:1px solid rgba(59,130,246,0.4)}

/* ============================================== 
   CARRITO
   ============================================== */
.cart-badge{position:relative;padding:0.75rem;border-radius:12px;background:var(--primary);border:2px solid var(--primary);cursor:pointer;transition:all 0.3s ease;text-decoration:none;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(220,38,38,0.4);color:#000;width:48px;height:48px}
.cart-badge:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(220,38,38,0.6),0 0 20px rgba(220,38,38,0.4)}
.cart-badge svg{stroke:#000}
.cart-count{position:absolute;top:-8px;right:-8px;background:#000;color:var(--primary);border-radius:12px;min-width:22px;height:22px;padding:0 6px;display:flex;align-items:center;justify-content:center;font-size:0.7rem;font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,0.6);border:2px solid var(--primary)}
.cart-container{display:grid;grid-template-columns:1fr 420px;gap:2.5rem}
.cart-items{background:#0a0a0a;border:2px solid var(--border);border-radius:16px;padding:2rem;box-shadow:0 8px 24px rgba(220,38,38,0.3)}
.cart-item{display:flex;gap:1.5rem;padding:1.5rem;border-radius:12px;background:#000;margin-bottom:1rem;align-items:center;transition:all 0.3s ease;border:2px solid #1a1a1a}
.cart-item:hover{transform:translateX(4px);box-shadow:0 4px 12px rgba(220,38,38,0.3);border-color:var(--primary)}
.cart-item:last-child{margin-bottom:0}
.cart-item-image{width:80px;height:80px;background:#0a0a0a;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:2px solid #1a1a1a;overflow:hidden;cursor:pointer;transition:all 0.3s ease}
.cart-item-image:hover{border-color:var(--primary);transform:scale(1.05)}
.cart-item-image img{width:100%;height:100%;object-fit:contain}
.cart-item-info{flex:1;min-width:0}
.cart-item-info h4{font-weight:600;margin-bottom:0.5rem;font-size:1rem;color:#fff;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.3}
.cart-item-price{color:var(--primary);font-weight:700;font-size:1.1rem;text-shadow:0 0 15px rgba(220,38,38,0.3)}
.cart-item-actions{display:flex;gap:0.75rem;align-items:center;flex-shrink:0;flex-wrap:wrap}
.qty-btn{width:36px;height:36px;border:2px solid var(--border);border-radius:10px;background:#0a0a0a;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.1rem;transition:all 0.3s ease;color:#fff}
.qty-btn:hover{background:var(--primary);color:#000;border-color:var(--primary);transform:scale(1.1);box-shadow:0 0 15px rgba(220,38,38,0.4)}
.cart-summary{background:#0a0a0a;border:2px solid var(--border);border-radius:16px;padding:2rem;height:fit-content;position:sticky;top:100px;box-shadow:0 8px 24px rgba(220,38,38,0.3)}
.summary-row{display:flex;justify-content:space-between;margin-bottom:1.25rem;padding-bottom:1.25rem;border-bottom:2px solid #1a1a1a;font-size:0.95rem;color:#fff}
.summary-total{font-size:2rem;font-weight:700;color:var(--primary);text-shadow:0 0 20px rgba(220,38,38,0.4)}
.discount-section{background:rgba(16,185,129,0.1);padding:1.5rem;border-radius:12px;margin:1rem 0;border:2px solid rgba(16,185,129,0.3)}
.discount-input-group{display:flex;gap:0.5rem;margin-bottom:1rem}
.discount-input-group input{flex:1}
.discount-info{font-size:0.85rem;color:var(--success);font-weight:600;text-align:center;margin-top:0.5rem}
.delivery-options{margin:1.5rem 0}
.delivery-option{display:flex;align-items:center;gap:0.75rem;padding:1rem;background:#000;border:2px solid #1a1a1a;border-radius:12px;margin-bottom:0.75rem;cursor:pointer;transition:all 0.3s ease}
.delivery-option:hover{border-color:var(--primary);background:#0a0a0a;transform:translateX(4px)}
.delivery-option input[type="radio"]{width:20px;height:20px;cursor:pointer;accent-color:var(--primary)}
.delivery-option.selected{border-color:var(--primary);background:#0a0a0a;box-shadow:0 4px 12px rgba(220,38,38,0.3)}

/* ============================================== 
   PROFIT DISPLAY
   ============================================== */
.profit-display{display:flex;align-items:center;gap:1rem;padding:1.5rem;background:linear-gradient(135deg,rgba(16,185,129,0.15) 0%,rgba(16,185,129,0.05) 100%);border:2px solid rgba(16,185,129,0.4);border-radius:12px;margin-top:0.5rem}
.profit-display svg{color:var(--success);flex-shrink:0}
.profit-display #profitValue{font-size:1.75rem;font-weight:800;color:var(--success);flex:1}
.profit-percent{font-size:1rem;font-weight:700;color:var(--success);background:rgba(16,185,129,0.2);padding:0.375rem 0.75rem;border-radius:8px}

/* ============================================== 
   INVENTORY VALUE CARD
   ============================================== */
.inventory-value-card{background:linear-gradient(135deg,#dc2626 0%,#7f1d1d 100%);border:2px solid rgba(220,38,38,0.5);border-radius:20px;padding:2rem 2.5rem;margin-bottom:2rem;display:flex;align-items:center;gap:2rem;box-shadow:0 8px 32px rgba(220,38,38,0.4);position:relative;overflow:hidden}
.inventory-value-card::before{content:'';position:absolute;top:-50%;right:-20%;width:300px;height:300px;background:radial-gradient(circle,rgba(255,255,255,0.1) 0%,transparent 70%);border-radius:50%}
.inventory-value-icon{width:80px;height:80px;background:rgba(0,0,0,0.3);border-radius:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,0.2)}
.inventory-value-icon svg{color:#fff;filter:drop-shadow(0 2px 8px rgba(255,255,255,0.3))}
.inventory-value-content{flex:1;z-index:1}
.inventory-value-label{font-size:0.875rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;color:rgba(255,255,255,0.8);margin-bottom:0.5rem}
.inventory-value-amount{font-size:3rem;font-weight:800;color:#fff;line-height:1;margin-bottom:0.5rem;text-shadow:0 2px 16px rgba(0,0,0,0.4)}
.inventory-value-detail{font-size:1rem;color:rgba(255,255,255,0.9);font-weight:500}

/* ============================================== 
   BANK INFO SECTION
   ============================================== */
.bank-info-section{background:#000;padding:1.5rem;border-radius:12px;margin:1.5rem 0;border:2px solid #1a1a1a}
.bank-info-section h4{font-size:1.1rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:0.5rem;color:#fff}
.bank-account{background:#0a0a0a;padding:0.75rem 1rem;border-radius:8px;margin-bottom:0.5rem;font-family:monospace;font-size:0.95rem;font-weight:600;display:flex;justify-content:space-between;align-items:center;border:2px solid #1a1a1a;color:#fff}
.copy-btn{padding:0.25rem 0.75rem;background:var(--primary);color:#000;border:none;border-radius:6px;cursor:pointer;font-size:0.75rem;font-weight:600;transition:all 0.3s ease}
.copy-btn:hover{background:var(--primary-hover);transform:scale(1.05);box-shadow:0 0 15px rgba(220,38,38,0.4)}

/* ==============================================
   MODE BADGE - TÉCNICO Y SUPERADMIN
   ============================================== */
.mode-badge{display:flex;align-items:center;gap:0.5rem;padding:0.5rem 1rem;border-radius:20px;font-size:0.85rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;border:2px solid transparent}
.mode-badge.tecnico{background:rgba(16,185,129,0.15);color:#10b981;border-color:#10b981}
.mode-badge.superadmin{background:rgba(220,38,38,0.15);color:#dc2626;border-color:#dc2626}
.mode-badge svg{flex-shrink:0}

/* ==============================================
   TÉCNICOS - COLOR ROJO/NEGRO
   ============================================== */
.technician-card-image{background:linear-gradient(135deg,#dc2626 0%,#7f1d1d 100%)!important}

/* ==============================================
   RESPONSIVE - DESKTOP > 1024px
   ============================================== */
@media (min-width:1025px){
  .admin-sidebar.open~.admin-main{margin-left:280px}
  .admin-sidebar.open~.hamburger-btn{left:280px}
  .admin-sidebar:not(.open)~.admin-main{margin-left:0}
  .admin-sidebar:not(.open)~.hamburger-btn{left:0}
}

/* ==============================================
   RESPONSIVE - TABLET 769px - 1024px
   ============================================== */
@media (min-width:769px) and (max-width:1024px){
  .header{
    padding:1rem 1.5rem 1rem 3.5rem;
  }
  .login-container{grid-template-columns:1fr 1fr}
  .login-right{display:flex}
  .cart-container{grid-template-columns:1fr 420px}
  .cart-summary{position:sticky}
}

/* ==============================================
   RESPONSIVE - TABLET Y MOBILE ≤ 768px
   ============================================== */
@media (max-width:768px){
  .session-badge {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    margin-right: 0.5rem;
    border-radius: 6px;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    top: 0;
    border-width: 1px;
  }
  .session-badge .badge-text {
    display: block;
  }
  .session-badge .badge-icon {
    font-size: 0.75rem;
  }
  .login-container{grid-template-columns:1fr}
  .login-right{display:none}
  .login-left{padding:2rem}
  .header{
    padding:1rem 1.5rem 1rem 5rem;
    flex-direction:column;
    align-items:center;
    gap:0.75rem;
  }
  .header-title{font-size:1.5rem;text-align:center;margin-bottom:0.25rem}
  .header-badges{display:flex;justify-content:center;margin-bottom:0.25rem}
  .header-actions{display:flex;justify-content:center;width:100%}
  .search-container{
    flex:1;
    max-width:100%;
  }
  .search-container{
    flex:1;
    max-width:100%;
  }
  .search-input-wrapper{
    width:100%;
  }
  .search-input{
    width:100% !important;
    min-width:unset !important;
  }
  .container,.dashboard{padding:1.5rem}
  .form-grid{grid-template-columns:1fr}
  .data-filters{width:100%}
  .stats-dashboard-grid{grid-template-columns:repeat(2,1fr)}
  .products,.products-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .admin-main{margin-left:0!important;width:100%}
  .cart-container{grid-template-columns:1fr}
  .cart-summary{position:static}
  .stat-card-modern{padding:1.25rem 1.5rem;min-height:100px}
  .stat-icon-mono{width:56px;height:56px}
  .stat-value-large{font-size:2rem}
  .product-price{font-size:0.9rem}
  .product-price span{font-size:0.8rem}
}

/* ==============================================
   RESPONSIVE - MOBILE ≤ 640px
   ============================================== */
@media (max-width:640px){
  .login-card{padding:2rem}
  .login-brand{margin-bottom:2rem;padding-bottom:1.5rem}
  .login-brand h1{font-size:1.75rem}
  .login-header h2{font-size:1.5rem}
  .header{padding:1rem 1rem 1rem 4.5rem}
  .header-title{font-size:1.25rem}
  .header-actions{right:1rem}
  .container,.dashboard{padding:1rem}
  .product-form-card{padding:1.5rem}
  .form-section-title{font-size:1.1rem}
  .form-actions .btn{min-width:unset}
  .data-card{padding:1rem}
  .stat-card-modern{flex-direction:column;text-align:center;padding:1.25rem;min-height:auto}
  .stat-icon-mono{width:52px;height:52px}
  .stat-value-large{font-size:1.75rem}
  .stat-label{font-size:0.75rem}
  .stat-detail{font-size:0.8rem}
  .stats-dashboard-grid{grid-template-columns:1fr}
  .products,.products-grid{grid-template-columns:1fr}
  .product-card-actions{flex-direction:column}
  .product-card-actions .btn-icon{width:100%;height:44px;border-radius:10px}
  .sale-header{flex-direction:column;align-items:flex-start}
  .sale-amount{font-size:1.25rem}
  .modal-content{max-width:95%}
  .modal-form{padding:1.5rem}
  .cart-badge{padding:0.5rem;width:44px;height:44px}
  .product{padding:1rem}
  .product-image{height:180px}
  .cart-item{flex-direction:column;gap:1rem}
  .cart-item-image{width:100%;height:150px}
  .cart-item-actions{justify-content:center;width:100%}
  .inventory-value-card{flex-direction:column;text-align:center;padding:1.5rem}
  .inventory-value-icon{width:64px;height:64px}
  .inventory-value-icon svg{width:32px;height:32px}
  .inventory-value-amount{font-size:2.25rem}
  .inventory-value-label,.inventory-value-detail{font-size:0.85rem}
  .image-modal-body{padding:1rem}
  .image-modal-image{max-height:40vh}
  .product-price{font-size:0.85rem}
  .product-price span{font-size:0.75rem}
  .product h4{font-size:1rem}
  .product-stock{font-size:0.75rem}
}

/* ==============================================
   RESPONSIVE - SMALL MOBILE ≤ 480px
   ============================================== */
@media (max-width:480px){
  .header-title{font-size:1.1rem}
  .header-actions{right:0.5rem}
  .container,.dashboard{padding:0.75rem}
  .product{padding:0.75rem}
  .product-image{height:160px}
  .product h4{font-size:0.95rem}
  .product-price{font-size:0.8rem}
  .product-price span{font-size:0.7rem}
  .product-stock{font-size:0.7rem}
  .btn{font-size:0.8rem;padding:0.5rem 1rem}
  .cart-item{flex-direction:column;gap:0.75rem}
  .cart-item-image{width:100%;height:120px}
  .cart-item-info h4{font-size:0.95rem}
  .cart-item-price{font-size:0.85rem}
  .cart-item-price span{font-size:0.75rem}
  .modal-content{max-width:98%;margin:1rem auto}
  .modal-form{padding:1rem}
  .form-group label{font-size:0.85rem}
  .input-field{font-size:0.9rem;padding:0.75rem}
}