:root{--primary-color: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--secondary-color: #10b981;--accent-color: #f59e0b;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--info-color: #06b6d4;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--surface: #ffffff;--surface-elevated: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--text-tertiary: #94a3b8;--text-inverse: #ffffff;--border-color: #e2e8f0;--border-focus: #2563eb;--border-error: #ef4444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 2.5rem;--space-3xl: 3rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Consolas", monospace;--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out;--transition-slow: .35s ease-in-out}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--surface: #1e293b;--surface-elevated: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--border-color: #334155}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);line-height:1.6;color:var(--text-primary);background-color:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;margin-bottom:var(--space-md);color:var(--text-primary)}h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--space-md);color:var(--text-secondary)}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-dark);text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:var(--space-xl);background-color:var(--bg-primary);min-height:100vh}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-2xl);padding-bottom:var(--space-lg);border-bottom:2px solid var(--border-color)}.header h1{background:linear-gradient(135deg,var(--primary-color),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:0}.user-info{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) var(--space-md);background-color:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);font-size:.875rem;color:var(--text-secondary)}.alert{padding:var(--space-lg);border-radius:var(--radius-lg);margin-bottom:var(--space-xl);border-left:4px solid;animation:slideIn .3s ease-out}.alert-warning{background-color:#fef3c7;border-color:var(--warning-color);color:#92400e}.alert-success{background-color:#d1fae5;border-color:var(--success-color);color:#065f46}.alert-error{background-color:#fee2e2;border-color:var(--error-color);color:#991b1b}.cycle-info{margin-bottom:var(--space-2xl)}.cycle-banner{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:var(--space-2xl);border-radius:var(--radius-2xl);text-align:center;position:relative;overflow:hidden}.cycle-banner:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><path d="M1000,4.3V0H0v4.3C0.9,23.1,126.7,82.8,500,82.8S999.1,23.1,1000,4.3z"></path></svg>');background-size:cover}.cycle-banner>*{position:relative;z-index:1}.countdown{font-size:1.125rem;font-weight:600;margin-top:var(--space-md);padding:var(--space-sm) var(--space-lg);background:#fff3;border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:inline-block}.filters{display:grid;grid-template-columns:2fr repeat(auto-fit,minmax(150px,1fr));gap:var(--space-md);margin-bottom:var(--space-2xl);padding:var(--space-lg);background-color:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm)}.search-input,.category-filter,.currency-selector,.status-filter,.cycle-filter{padding:var(--space-md);border:2px solid var(--border-color);border-radius:var(--radius-lg);font-size:.875rem;transition:all var(--transition-fast);background-color:var(--bg-primary);color:var(--text-primary)}.search-input:focus,.category-filter:focus,.currency-selector:focus,.status-filter:focus,.cycle-filter:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #2563eb1a}.search-input{background-image:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" /></svg>');background-repeat:no-repeat;background-position:right var(--space-md) center;background-size:1rem;padding-right:2.5rem}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-xl);margin-bottom:var(--space-3xl)}.product-card{background-color:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-2xl);padding:var(--space-xl);transition:all var(--transition-normal);position:relative;overflow:hidden}.product-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transform:scaleX(0);transform-origin:left;transition:transform var(--transition-normal)}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--primary-color)}.product-card:hover:before{transform:scaleX(1)}.product-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-md)}.product-header h3{margin-bottom:0;font-size:1.125rem;line-height:1.4}.category{background:linear-gradient(135deg,var(--accent-color),#fbbf24);color:#fff;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-md);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.description{color:var(--text-secondary);margin-bottom:var(--space-lg);line-height:1.5;font-size:.875rem}.price{font-size:1.25rem;font-weight:700;color:var(--primary-color);margin-bottom:var(--space-lg)}.quantity-controls{display:flex;align-items:center;gap:var(--space-md);flex-wrap:wrap}.quantity-controls label{font-weight:600;color:var(--text-secondary);font-size:.875rem}.quantity-input{width:80px;padding:var(--space-sm) var(--space-md);border:2px solid var(--border-color);border-radius:var(--radius-md);text-align:center;font-weight:600;transition:border-color var(--transition-fast)}.quantity-input:focus{outline:none;border-color:var(--border-focus)}.btn{padding:var(--space-md) var(--space-lg);border:none;border-radius:var(--radius-lg);font-weight:600;font-size:.875rem;cursor:pointer;transition:all var(--transition-fast);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);text-decoration:none;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left var(--transition-normal)}.btn:hover:before{left:100%}.btn-primary,.add-btn,.checkout-btn{background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:#fff;padding:var(--space-xs) var(--space-sm);border:none;border-radius:var(--radius-md);cursor:pointer;margin-right:var(--space-xs);font-size:.75rem;font-weight:600}.btn-primary:hover,.add-btn:hover,.checkout-btn:hover{background:linear-gradient(135deg,var(--primary-dark),var(--primary-color));transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background-color:var(--gray-100);color:var(--gray-700);border:2px solid var(--gray-300)}.btn-secondary:hover{background-color:var(--gray-200);border-color:var(--gray-400)}.btn-danger{background:linear-gradient(135deg,var(--error-color),#dc2626);color:#fff}.btn-danger:hover{background:linear-gradient(135deg,#dc2626,#b91c1c)}.btn-success{background:linear-gradient(135deg,var(--success-color),#059669);color:#fff}.btn-warning{background:linear-gradient(135deg,var(--warning-color),#d97706);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn:disabled:hover{transform:none;box-shadow:none}.cart-section{background:linear-gradient(135deg,var(--surface),var(--bg-secondary));border-radius:var(--radius-2xl);padding:var(--space-2xl);margin-top:var(--space-3xl);border:1px solid var(--border-color);position:relative}.cart-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#2563eb05,#10b98105);border-radius:var(--radius-2xl);pointer-events:none}.cart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl);position:relative;z-index:1}.cart-header h2{margin-bottom:0;display:flex;align-items:center;gap:var(--space-sm)}.cart-header h2:before{content:"🛒";font-size:1.5rem}.clear-btn{background:linear-gradient(135deg,var(--error-color),#dc2626);color:#fff;padding:var(--space-sm) var(--space-md);border:none;border-radius:var(--radius-md);font-size:.75rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.cart-items{margin-bottom:var(--space-xl);position:relative;z-index:1}.cart-item{display:grid;grid-template-columns:2fr auto auto auto;gap:var(--space-lg);align-items:center;padding:var(--space-lg);background-color:var(--surface);border-radius:var(--radius-xl);margin-bottom:var(--space-md);border:1px solid var(--border-color);transition:all var(--transition-fast)}.cart-item:hover{box-shadow:var(--shadow-md);transform:translate(4px)}.item-info h4{margin-bottom:var(--space-xs);color:var(--text-primary);font-size:1rem}.item-info .category{font-size:.75rem;background:var(--gray-100);color:var(--gray-600);padding:2px 6px;border-radius:var(--radius-sm)}.quantity-controls{display:flex;align-items:center;gap:var(--space-sm);background-color:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--space-xs)}.quantity-controls button{width:32px;height:32px;border:none;background-color:var(--primary-color);color:#fff;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);font-weight:600}.quantity-controls button:hover{background-color:var(--primary-dark);transform:scale(1.1)}.quantity-controls button:disabled{background-color:var(--gray-300);cursor:not-allowed;transform:none}.quantity{font-weight:700;min-width:30px;text-align:center;color:var(--text-primary)}.item-price{text-align:right}.unit-price{color:var(--text-secondary);font-size:.875rem;display:block;margin-bottom:var(--space-xs)}.total-price{font-weight:700;color:var(--text-primary);font-size:1.125rem}.remove-btn{background:linear-gradient(135deg,var(--error-color),#dc2626);color:#fff;border:none;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1.25rem;font-weight:700;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.remove-btn:hover{transform:scale(1.1) rotate(90deg);box-shadow:var(--shadow-lg)}.cart-summary{border-top:2px solid var(--border-color);padding-top:var(--space-xl);position:relative;z-index:1}.summary-row{display:flex;justify-content:space-between;align-items:center;font-size:1.125rem;margin-bottom:var(--space-lg);font-weight:600}.checkout-btn{width:100%;padding:var(--space-lg) var(--space-2xl);font-size:1rem;font-weight:700;border-radius:var(--radius-xl)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out}.modal-content{background:var(--surface);border-radius:var(--radius-2xl);max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:slideUp .3s ease-out}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-xl) var(--space-2xl);border-bottom:1px solid var(--border-color);background:linear-gradient(135deg,var(--surface),var(--bg-secondary))}.modal-header h2{margin-bottom:0;color:var(--text-primary)}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.close-btn:hover{background-color:var(--gray-100);color:var(--text-primary);transform:rotate(90deg)}.order-form,.form{padding:var(--space-2xl)}.form-section{margin-bottom:var(--space-2xl)}.form-group{margin-bottom:var(--space-lg)}.form-group label{display:block;margin-bottom:var(--space-sm);font-weight:600;color:var(--text-primary)}.required{color:var(--error-color)}.form-control{width:100%;padding:var(--space-md);border:2px solid var(--border-color);border-radius:var(--radius-lg);font-size:1rem;transition:all var(--transition-fast);background-color:var(--bg-primary);color:var(--text-primary)}.form-control:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #2563eb1a}.help-text{color:var(--text-secondary);font-size:.875rem;margin-top:var(--space-xs)}.readonly-field{padding:var(--space-md);background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-lg);color:var(--text-secondary);font-weight:500}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-lg);margin-bottom:var(--space-xl)}.form-grid textarea{grid-column:1 / -1;min-height:100px;resize:vertical}.form-actions{display:flex;gap:var(--space-md);justify-content:flex-end;margin-top:var(--space-2xl);padding-top:var(--space-lg);border-top:1px solid var(--border-color)}.order-summary{background:linear-gradient(135deg,var(--bg-secondary),var(--surface));border-radius:var(--radius-xl);padding:var(--space-xl);margin:var(--space-xl) 0;border:1px solid var(--border-color)}.summary-items{margin-bottom:var(--space-lg)}.summary-item{display:grid;grid-template-columns:2fr auto auto;gap:var(--space-md);align-items:center;padding:var(--space-md) 0;border-bottom:1px solid var(--border-color)}.summary-item:last-child{border-bottom:none}.item-name{font-weight:500;color:var(--text-primary)}.item-quantity{color:var(--text-secondary);font-size:.875rem}.item-total{font-weight:600;color:var(--text-primary);text-align:right}.summary-totals{border-top:2px solid var(--border-color);padding-top:var(--space-lg)}.total-row{display:flex;justify-content:space-between;margin-bottom:var(--space-sm)}.final-total{font-size:1.125rem;font-weight:700;color:var(--primary-color)}.admin-header{margin-bottom:var(--space-2xl);text-align:center}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-xl);margin-top:var(--space-xl)}.stat-card{background:linear-gradient(135deg,var(--surface),var(--bg-secondary));padding:var(--space-xl);border-radius:var(--radius-2xl);text-align:center;border:1px solid var(--border-color);transition:all var(--transition-normal);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color),var(--accent-color))}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.stat-number{display:block;font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-sm)}.stat-label{color:var(--text-secondary);font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.admin-tabs{display:flex;gap:4px;margin-bottom:var(--space-2xl);background:var(--bg-secondary);border-radius:var(--radius-xl);padding:4px;overflow-x:auto}.admin-tabs button{flex:1;min-width:150px;padding:var(--space-md) var(--space-lg);border:none;background:transparent;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);font-weight:600;white-space:nowrap;color:var(--text-secondary)}.admin-tabs button.active{background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:#fff;box-shadow:var(--shadow-md)}.admin-tabs button:hover:not(.active){background-color:var(--gray-100);color:var(--text-primary)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-2xl);flex-wrap:wrap;gap:var(--space-md)}.export-buttons{display:flex;gap:var(--space-sm)}.btn-export{background:linear-gradient(135deg,var(--success-color),#059669);color:#fff;padding:var(--space-sm) var(--space-md);border:none;border-radius:var(--radius-md);cursor:pointer;font-weight:600;font-size:.875rem;transition:all var(--transition-fast)}.products-table,.orders-table,.collective-table{background:var(--surface);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.products-table table,.orders-table table,.collective-table table{width:100%;border-collapse:collapse}.products-table th,.products-table td,.orders-table th,.orders-table td,.collective-table th,.collective-table td{padding:var(--space-md);text-align:left;border-bottom:1px solid var(--border-color)}.products-table th,.orders-table th,.collective-table th{background:linear-gradient(135deg,var(--bg-secondary),var(--surface));font-weight:700;color:var(--text-primary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.products-table tbody tr,.orders-table tbody tr{transition:background-color var(--transition-fast)}.products-table tbody tr:hover,.orders-table tbody tr:hover{background-color:var(--bg-secondary)}.status-badge{padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-lg);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.status-badge.active,.status-badge.confirmed{background-color:#d1fae5;color:#065f46}.status-badge.inactive,.status-badge.cancelled{background-color:#fee2e2;color:#991b1b}.status-badge.pending{background-color:#fef3c7;color:#92400e}.status-badge.shipped{background-color:#dbeafe;color:#1e40af}.status-badge.delivered{background-color:#d1fae5;color:#065f46}.btn-edit{background:linear-gradient(135deg,var(--warning-color),#d97706);color:#fff;padding:var(--space-xs) var(--space-sm);border:none;border-radius:var(--radius-md);cursor:pointer;margin-right:var(--space-xs);font-size:.75rem;font-weight:600}.btn-toggle{background:linear-gradient(135deg,var(--gray-500),var(--gray-600));color:#fff;padding:var(--space-xs) var(--space-sm);border:none;border-radius:var(--radius-md);cursor:pointer;font-size:.75rem;font-weight:600}.btn-view{background:linear-gradient(135deg,var(--info-color),#0891b2);color:#fff;padding:var(--space-xs) var(--space-sm);border:none;border-radius:var(--radius-md);cursor:pointer;font-size:.75rem;font-weight:600}.orders-list{margin-top:var(--space-2xl)}.no-orders{text-align:center;padding:var(--space-3xl);color:var(--text-secondary);background:var(--surface);border-radius:var(--radius-2xl);border:2px dashed var(--border-color)}.order-card{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-2xl);padding:var(--space-2xl);margin-bottom:var(--space-xl);transition:all var(--transition-normal);position:relative;overflow:hidden}.order-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color))}.order-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.order-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-xl);flex-wrap:wrap;gap:var(--space-md)}.order-info h3{margin-bottom:var(--space-xs);color:var(--text-primary)}.order-meta{text-align:right}.date{color:var(--text-secondary);display:block;font-size:.875rem;margin-bottom:var(--space-xs)}.total{font-size:1.25rem;font-weight:700;color:var(--primary-color)}.cycle-info{margin-bottom:var(--space-lg);padding:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-lg)}.cycle-period{color:var(--text-secondary);font-size:.875rem;margin-left:var(--space-sm)}.items-summary{margin-bottom:var(--space-xl)}.items-list{margin-top:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--space-md)}.order-item{display:grid;grid-template-columns:2fr auto auto;gap:var(--space-md);padding:var(--space-sm) 0;border-bottom:1px solid var(--border-color)}.order-item:last-child{border-bottom:none}.order-actions{display:flex;gap:var(--space-md);flex-wrap:wrap}.cycles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:var(--space-xl)}.cycle-card{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-2xl);padding:var(--space-xl);transition:all var(--transition-normal);position:relative;overflow:hidden}.cycle-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--secondary-color),var(--accent-color))}.cycle-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.cycle-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-lg)}.cycle-header h3{margin-bottom:0}.cycle-details{margin-bottom:var(--space-xl);line-height:1.6}.cycle-actions{display:flex;gap:var(--space-sm);flex-wrap:wrap}.datetime-inputs{display:grid;grid-template-columns:1fr 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