.navbar{position:fixed;top:0;left:0;right:0;z-index:var(--z-nav);background:var(--clr-bg-glass);backdrop-filter:blur(20px);border-bottom:1px solid var(--clr-border-light)}.nav-inner{display:flex;align-items:center;height:68px;gap:var(--space-xl)}.nav-logo{font-family:var(--ff-display);font-size:var(--fs-xl);font-weight:600;letter-spacing:.15em}.nav-links{display:flex;gap:var(--space-xl);margin-left:var(--space-2xl)}.nav-link{font-size:var(--fs-sm);font-weight:500;letter-spacing:.05em;color:var(--clr-text-secondary);text-transform:uppercase;position:relative}.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1.5px;background:var(--clr-accent);transition:width .4s var(--ease-out)}.nav-link:hover{color:var(--clr-text)}.nav-link:hover::after{width:100%}.nav-actions{display:flex;gap:var(--space-sm);margin-left:auto;align-items:center}.nav-icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--clr-text);position:relative}.nav-icon-btn:hover{background:var(--clr-accent-light)}.cart-badge{position:absolute;top:2px;right:2px;width:18px;height:18px;background:var(--clr-accent);color:#fff;font-size:10px;font-weight:600;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0);transition:all .2s var(--ease-out)}.cart-badge.visible{opacity:1;transform:scale(1)}.nav-mobile-toggle{display:none;flex-direction:column;gap:5px;width:28px;justify-content:center;margin-left:auto}.nav-mobile-toggle span{display:block;height:1.5px;background:var(--clr-text)}.main-content{margin-top:68px;min-height:calc(100vh - 68px)}.page-section{padding:var(--space-3xl) 0}.page-title{font-family:var(--ff-display);font-size:var(--fs-4xl);font-weight:400;line-height:1.1;margin-bottom:var(--space-lg)}.page-subtitle{font-size:var(--fs-lg);color:var(--clr-text-secondary);max-width:540px}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-xl)}@media(max-width:1200px){.product-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.product-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-md)}}@media(max-width:480px){.product-grid{grid-template-columns:1fr}}
.product-card{background:var(--clr-bg-card);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;border:1px solid var(--clr-border-light);transition:all .4s var(--ease-out)}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.product-card-image{aspect-ratio:3/4;overflow:hidden;background:var(--clr-bg-alt)}.product-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}.product-card:hover .product-card-image img{transform:scale(1.05)}.product-card-body{padding:var(--space-lg)}.product-card-name{font-family:var(--ff-display);font-size:var(--fs-lg);font-weight:500;margin-bottom:var(--space-xs)}.product-card-energy{font-size:var(--fs-xs);color:var(--clr-accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--space-sm)}.product-card-price{font-weight:500}
.drawer-overlay{position:fixed;inset:0;z-index:var(--z-drawer);background:rgba(44,44,44,.2);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .4s}.drawer-overlay.active{opacity:1;pointer-events:all}.drawer{position:fixed;top:0;right:0;bottom:0;width:420px;max-width:100%;background:var(--clr-bg);z-index:calc(var(--z-drawer)+1);transform:translateX(100%);transition:transform .4s var(--ease-out);display:flex;flex-direction:column;border-left:1px solid var(--clr-border-light)}.drawer-overlay.active .drawer{transform:translateX(0)}.drawer-header{display:flex;justify-content:space-between;padding:var(--space-xl);border-bottom:1px solid var(--clr-border-light)}.drawer-header h3{font-family:var(--ff-display);font-size:var(--fs-2xl);font-weight:400}.drawer-close{font-size:var(--fs-2xl);color:var(--clr-text-secondary);width:36px;height:36px;border-radius:var(--radius-full)}.drawer-close:hover{background:var(--clr-accent-light)}.cart-items{flex:1;overflow-y:auto;padding:var(--space-md)}.cart-item{display:flex;gap:var(--space-md);padding:var(--space-md) 0;border-bottom:1px solid var(--clr-border-light)}.cart-item-image{width:70px;height:90px;border-radius:var(--radius-md);overflow:hidden;background:var(--clr-bg-alt);flex-shrink:0}.cart-item-image img{width:100%;height:100%;object-fit:cover}.cart-item-info{flex:1}.cart-item-name{font-family:var(--ff-display);font-weight:500}.cart-item-footer{display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-sm)}.cart-item-qty{display:flex;align-items:center;gap:var(--space-sm)}.qty-btn{width:28px;height:28px;border-radius:var(--radius-full);border:1px solid var(--clr-border);display:flex;align-items:center;justify-content:center;font-size:var(--fs-sm)}.qty-btn:hover{border-color:var(--clr-accent);color:var(--clr-accent)}.cart-footer{padding:var(--space-xl);border-top:1px solid var(--clr-border-light)}.cart-total{display:flex;justify-content:space-between;font-size:var(--fs-lg);font-weight:500;margin-bottom:var(--space-lg)}.cart-empty{text-align:center;padding:var(--space-3xl);color:var(--clr-text-secondary)}
.toast{position:fixed;bottom:var(--space-xl);left:50%;transform:translateX(-50%) translateY(20px);z-index:var(--z-toast);background:var(--clr-text);color:var(--clr-bg);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);font-size:var(--fs-sm);font-weight:500;opacity:0;pointer-events:none;transition:all .4s var(--ease-out)}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:12px 28px;border-radius:var(--radius-full);font-size:var(--fs-sm);font-weight:500;letter-spacing:.05em;text-transform:uppercase;transition:all .4s var(--ease-out);border:1px solid transparent}.btn-primary{background:var(--clr-text);color:var(--clr-bg)}.btn-primary:hover{background:var(--clr-accent)}.btn-outline{border-color:var(--clr-border)}.btn-outline:hover{border-color:var(--clr-accent);color:var(--clr-accent)}.btn-full{width:100%}.btn-lg{padding:16px 36px;font-size:var(--fs-base)}.btn-sm{padding:8px 20px;font-size:var(--fs-xs)}.btn-ghost{color:var(--clr-text-secondary)}.btn-ghost:hover{color:var(--clr-text)}
.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:var(--fs-sm);font-weight:500;margin-bottom:var(--space-sm);color:var(--clr-text-secondary);text-transform:uppercase;letter-spacing:.05em}.form-input{width:100%;padding:12px 16px;border:1px solid var(--clr-border);border-radius:var(--radius-md);background:#fff;font-size:var(--fs-base)}.form-input:focus{border-color:var(--clr-accent)}
.auth-page{min-height:calc(100vh - 68px);display:flex;align-items:center;justify-content:center;padding:var(--space-2xl)}.auth-card{width:100%;max-width:420px;background:var(--clr-bg-card);border-radius:var(--radius-lg);padding:var(--space-3xl);border:1px solid var(--clr-border-light);box-shadow:var(--shadow-md)}.auth-card h2{font-family:var(--ff-display);font-size:var(--fs-3xl);font-weight:400;text-align:center}.auth-card p{text-align:center;color:var(--clr-text-secondary);margin-bottom:var(--space-2xl);font-size:var(--fs-sm)}.auth-switch{text-align:center;margin-top:var(--space-lg);font-size:var(--fs-sm);color:var(--clr-text-secondary)}.auth-switch a{color:var(--clr-accent);cursor:pointer}
.filter-bar{display:flex;gap:var(--space-md);flex-wrap:wrap;margin-bottom:var(--space-2xl)}.filter-chip{padding:6px 18px;border-radius:var(--radius-full);border:1px solid var(--clr-border);font-size:var(--fs-sm);color:var(--clr-text-secondary);cursor:pointer}.filter-chip:hover{border-color:var(--clr-accent);color:var(--clr-accent)}.filter-chip.active{background:var(--clr-text);color:var(--clr-bg);border-color:var(--clr-text)}
.fade-in{opacity:0;transform:translateY(20px);animation:fadeIn .6s var(--ease-out) forwards}@keyframes fadeIn{to{opacity:1;transform:translateY(0)}}.fade-in-stagger>*{opacity:0;transform:translateY(16px);animation:fadeIn .5s var(--ease-out) forwards}.fade-in-stagger>*:nth-child(1){animation-delay:.05s}.fade-in-stagger>*:nth-child(2){animation-delay:.1s}.fade-in-stagger>*:nth-child(3){animation-delay:.15s}.fade-in-stagger>*:nth-child(4){animation-delay:.2s}.fade-in-stagger>*:nth-child(5){animation-delay:.25s}.fade-in-stagger>*:nth-child(6){animation-delay:.3s}.fade-in-stagger>*:nth-child(7){animation-delay:.35s}.fade-in-stagger>*:nth-child(8){animation-delay:.4s}
.back-link{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:var(--fs-sm);color:var(--clr-text-secondary);margin-bottom:var(--space-xl)}.back-link:hover{color:var(--clr-accent)}
@media(max-width:768px){.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--clr-bg-glass);backdrop-filter:blur(20px);flex-direction:column;padding:var(--space-lg)}.nav-links.open{display:flex}.nav-mobile-toggle{display:flex}.drawer{width:100%}.admin-layout{grid-template-columns:1fr}.admin-sidebar{display:none}.page-title{font-size:var(--fs-3xl)}}