:root{--color-primary: #5dade2;--color-primary-dark: #3498db;--color-primary-darker: #2e86c1;--color-secondary: #aed6f1;--color-accent: #3498db;--bg-app: #f8fbff;--bg-surface: #ffffff;--bg-muted: #eef6fd;--bg-gradient: linear-gradient(135deg, #f8fbff 0%, #e8f4fc 45%, #d6ebfa 100%);--bg-gradient-brand: linear-gradient(135deg, #5dade2 0%, #3498db 100%);--bg-gradient-hero: linear-gradient(135deg, #5dade2 0%, #3498db 55%, #2e86c1 100%);--glass-bg: rgba(255, 255, 255, .65);--glass-border: rgba(255, 255, 255, .55);--text-strong: #1b2b3a;--text: #2c3e50;--text-muted: #5f7488;--text-faint: #93a7b8;--text-on-brand: #ffffff;--color-success: #27ae60;--color-success-bg: #e9f9f0;--color-warning: #e67e22;--color-warning-bg: #fdf1e6;--color-danger: #e74c3c;--color-danger-bg: #fdecea;--color-info: #3498db;--color-info-bg: #e8f4fc;--border: #dceaf5;--border-strong: #c3ddef;--radius-sm: 8px;--radius: 14px;--radius-lg: 20px;--radius-xl: 28px;--radius-pill: 999px;--shadow-xs: 0 1px 2px rgba(52, 152, 219, .08);--shadow-sm: 0 2px 8px rgba(52, 152, 219, .1);--shadow: 0 8px 24px rgba(52, 152, 219, .14);--shadow-lg: 0 16px 40px rgba(52, 152, 219, .18);--shadow-brand: 0 10px 30px rgba(52, 152, 219, .35);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;--fs-xs: .75rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-lg: 1.125rem;--fs-xl: 1.375rem;--fs-2xl: 1.75rem;--fs-3xl: 2.25rem;--ease: cubic-bezier(.4, 0, .2, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--dur-fast: .15s;--dur: .25s;--dur-slow: .4s;--container: 1200px;--navbar-h: 64px;--z-nav: 100;--z-modal: 1000;--z-toast: 1100}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes slideInUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes pop{0%{transform:scale(.8)}60%{transform:scale(1.06)}to{transform:scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}@keyframes ripple{to{transform:scale(3.2);opacity:0}}@keyframes floatY{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes pulseRing{0%{box-shadow:0 0 #5dade280}70%{box-shadow:0 0 0 14px #5dade200}to{box-shadow:0 0 #5dade200}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.anim-fade-in{animation:fadeIn var(--dur) var(--ease) both}.anim-fade-up{animation:fadeInUp var(--dur-slow) var(--ease-out) both}.anim-fade-down{animation:fadeInDown var(--dur-slow) var(--ease-out) both}.anim-scale-in{animation:scaleIn var(--dur) var(--ease-out) both}.anim-pop{animation:pop var(--dur) var(--ease-out) both}.anim-slide-up{animation:slideInUp var(--dur) var(--ease-out) both}.stagger>*{animation:fadeInUp var(--dur-slow) var(--ease-out) both}.stagger>*:nth-child(1){animation-delay:.04s}.stagger>*:nth-child(2){animation-delay:.08s}.stagger>*:nth-child(3){animation-delay:.12s}.stagger>*:nth-child(4){animation-delay:.16s}.stagger>*:nth-child(5){animation-delay:.2s}.stagger>*:nth-child(6){animation-delay:.24s}.stagger>*:nth-child(7){animation-delay:.28s}.stagger>*:nth-child(8){animation-delay:.32s}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--fs-base);line-height:1.55;color:var(--text);background:var(--bg-app);background-image:var(--bg-gradient);background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#root{min-height:100vh;display:flex;flex-direction:column}img{max-width:100%;display:block}a{color:var(--color-accent);text-decoration:none;transition:color var(--dur-fast) var(--ease)}a:hover{color:var(--color-primary-darker)}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,h4{color:var(--text-strong);line-height:1.25;font-weight:700}h1{font-size:var(--fs-3xl)}h2{font-size:var(--fs-2xl)}h3{font-size:var(--fs-xl)}:focus-visible{outline:3px solid var(--color-secondary);outline-offset:2px}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--space-4)}.page{flex:1;padding-block:var(--space-6);animation:fadeIn var(--dur) var(--ease) both}.section-title{font-size:var(--fs-2xl);margin-bottom:var(--space-2)}.section-sub{color:var(--text-muted);margin-bottom:var(--space-5)}.grid{display:grid;gap:var(--space-4)}.grid-auto{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.row{display:flex;align-items:center}.row-between{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.wrap{flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:var(--space-3)}.text-muted{color:var(--text-muted)}.text-sm{font-size:var(--fs-sm)}.text-center{text-align:center}.text-danger{color:var(--color-danger)}.text-success{color:var(--color-success)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mt-4{margin-top:var(--space-4)}.mb-4{margin-bottom:var(--space-4)}.full-w{width:100%}.glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--color-secondary);border-radius:var(--radius-pill)}::-webkit-scrollbar-track{background:transparent}@media (max-width: 900px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){h1{font-size:var(--fs-2xl)}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.grid-auto{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}}.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:.7rem 1.3rem;border:1px solid transparent;border-radius:var(--radius-pill);font-weight:600;font-size:var(--fs-sm);cursor:pointer;overflow:hidden;white-space:nowrap;transition:transform var(--dur-fast) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),opacity var(--dur) var(--ease);-webkit-user-select:none;user-select:none}.btn:active{transform:translateY(1px) scale(.99)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--bg-gradient-brand);color:var(--text-on-brand);box-shadow:var(--shadow-brand)}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-1px)}.btn-secondary{background:var(--bg-muted);color:var(--color-primary-darker);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:#e3f1fc}.btn-ghost{background:transparent;color:var(--color-accent)}.btn-ghost:hover:not(:disabled){background:var(--bg-muted)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#d3392a}.btn-success{background:var(--color-success);color:#fff}.btn-outline{background:#fff;border-color:var(--border-strong);color:var(--text)}.btn-outline:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary-darker)}.btn-sm{padding:.45rem .9rem;font-size:var(--fs-xs)}.btn-lg{padding:.9rem 1.7rem;font-size:var(--fs-base)}.btn-block{width:100%}.btn-icon{padding:.55rem;border-radius:50%}.ripple{position:absolute;border-radius:50%;transform:scale(0);background:#ffffff80;animation:ripple .6s var(--ease-out);pointer-events:none}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:transform var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out)}.card-pad{padding:var(--space-5)}.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:var(--space-4)}.field-label{font-size:var(--fs-sm);font-weight:600;color:var(--text-strong)}.field-label .req{color:var(--color-danger)}.field-hint{font-size:var(--fs-xs);color:var(--text-faint)}.field-error{font-size:var(--fs-xs);color:var(--color-danger);animation:fadeInDown .2s var(--ease)}.input,.textarea,.select{width:100%;padding:.7rem .9rem;border:1.5px solid var(--border-strong);border-radius:var(--radius);background:#fff;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #5dade229}.textarea{resize:vertical;min-height:90px}.input.has-error,.textarea.has-error,.select.has-error{border-color:var(--color-danger)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-pill);font-size:var(--fs-xs);font-weight:600;line-height:1.4}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}.badge-info{background:var(--color-info-bg);color:var(--color-info)}.badge-muted{background:var(--bg-muted);color:var(--text-muted)}.badge-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.spinner{display:inline-block;width:22px;height:22px;border:3px solid var(--color-secondary);border-top-color:var(--color-primary-dark);border-radius:50%;animation:spin .7s linear infinite}.spinner-lg{width:40px;height:40px;border-width:4px}.spinner-center{display:flex;justify-content:center;padding:var(--space-7) 0}.skeleton{background:linear-gradient(90deg,#eaf3fb 25%,#f4f9fe,#eaf3fb 75%);background-size:800px 100%;animation:shimmer 1.3s infinite linear;border-radius:var(--radius)}.skeleton-text{height:12px;margin:8px 0}.skeleton-img{width:100%;aspect-ratio:4 / 3;border-radius:var(--radius)}.empty{text-align:center;padding:var(--space-7) var(--space-4);color:var(--text-muted);animation:fadeInUp var(--dur-slow) var(--ease-out) both}.empty-icon{font-size:3rem;margin-bottom:var(--space-2);opacity:.8}.empty h3{color:var(--text-strong);margin-bottom:6px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1b2b3a73;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:var(--space-4);z-index:var(--z-modal);animation:fadeIn var(--dur) var(--ease) both}.modal{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:480px;max-height:90vh;overflow-y:auto;animation:scaleIn var(--dur) var(--ease-out) both}.modal-lg{max-width:720px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-5);border-bottom:1px solid var(--border)}.modal-header h3{font-size:var(--fs-xl)}.modal-body{padding:var(--space-5)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-top:1px solid var(--border)}.modal-close{background:var(--bg-muted);border:none;width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:1.1rem;color:var(--text-muted);transition:background var(--dur) var(--ease)}.modal-close:hover{background:#dceaf5}.toast-stack{position:fixed;top:calc(var(--navbar-h) + 12px);right:16px;display:flex;flex-direction:column;gap:10px;z-index:var(--z-toast);max-width:min(360px,calc(100vw - 32px))}.toast{display:flex;align-items:flex-start;gap:10px;padding:.9rem 1rem;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-lg);border-left:4px solid var(--color-info);animation:slideInRight var(--dur) var(--ease-out) both}.toast-success{border-left-color:var(--color-success)}.toast-error{border-left-color:var(--color-danger)}.toast-warning{border-left-color:var(--color-warning)}.toast-icon{font-size:1.1rem;line-height:1.4}.toast-msg{flex:1;font-size:var(--fs-sm);color:var(--text)}.toast-x{background:none;border:none;cursor:pointer;color:var(--text-faint);font-size:1rem}.fab{position:fixed;right:20px;bottom:20px;z-index:90;display:inline-flex;align-items:center;gap:8px;padding:.9rem 1.3rem;border:none;border-radius:var(--radius-pill);background:var(--bg-gradient-brand);color:#fff;font-weight:700;cursor:pointer;box-shadow:var(--shadow-brand);animation:pop var(--dur) var(--ease-out) both;transition:transform var(--dur) var(--ease)}.fab:hover{transform:translateY(-3px) scale(1.03)}.fab-badge{background:#fff;color:var(--color-primary-darker);border-radius:var(--radius-pill);min-width:22px;height:22px;padding:0 6px;display:inline-flex;align-items:center;justify-content:center;font-size:var(--fs-xs);font-weight:800}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-gradient-brand);color:#fff;font-weight:700;overflow:hidden;flex-shrink:0}.avatar img{width:100%;height:100%;object-fit:cover}.uploader{display:flex;flex-direction:column;gap:10px}.uploader-drop{border:2px dashed var(--border-strong);border-radius:var(--radius);padding:var(--space-5);text-align:center;cursor:pointer;color:var(--text-muted);background:var(--bg-muted);transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease)}.uploader-drop:hover{border-color:var(--color-primary);background:#e6f2fc}.uploader-preview{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}.uploader-preview img{width:100%;max-height:220px;object-fit:cover}.uploader-preview .remove{position:absolute;top:8px;right:8px;background:#1b2b3a99;color:#fff;border:none;border-radius:50%;width:30px;height:30px;cursor:pointer}.navbar{position:sticky;top:0;z-index:var(--z-nav);height:var(--navbar-h);display:flex;align-items:center;background:var(--glass-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--glass-border);box-shadow:var(--shadow-xs)}.navbar .container{display:flex;align-items:center;gap:var(--space-4)}.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:var(--fs-xl);color:var(--color-primary-darker)}.brand-logo{width:34px;height:34px;border-radius:10px;background:var(--bg-gradient-brand);display:grid;place-items:center;color:#fff;font-size:1.1rem;box-shadow:var(--shadow-sm)}.nav-spacer{flex:1}.nav-links{display:flex;align-items:center;gap:var(--space-2)}.nav-link{padding:.5rem .9rem;border-radius:var(--radius-pill);color:var(--text-muted);font-weight:600;font-size:var(--fs-sm);transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.nav-link:hover,.nav-link.active{background:var(--bg-muted);color:var(--color-primary-darker)}.nav-cart{position:relative;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:var(--bg-muted);cursor:pointer;border:none;font-size:1.2rem}.nav-cart-count{position:absolute;top:-4px;right:-4px;background:var(--color-danger);color:#fff;border-radius:var(--radius-pill);min-width:18px;height:18px;font-size:10px;font-weight:800;display:grid;place-items:center;padding:0 4px;animation:pop .3s var(--ease-out) both}.search-wrap{position:relative;flex:1;max-width:460px}.search-input{width:100%;padding:.6rem 1rem .6rem 2.4rem;border:1.5px solid var(--border);border-radius:var(--radius-pill);background:#fff;transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #5dade226}.search-icon{position:absolute;left:.85rem;top:50%;transform:translateY(-50%);color:var(--text-faint)}.search-results{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;z-index:50;animation:fadeInDown var(--dur) var(--ease-out) both;max-height:60vh;overflow-y:auto}.search-group-label{padding:8px 14px;font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);background:var(--bg-muted)}.search-item{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;transition:background var(--dur-fast)}.search-item:hover{background:var(--bg-muted)}.search-thumb{width:36px;height:36px;border-radius:8px;object-fit:cover;background:var(--bg-muted)}.footer{margin-top:var(--space-8);background:#eaf4fc;border-top:1px solid var(--border);padding:var(--space-6) 0;color:var(--text-muted);font-size:var(--fs-sm)}.footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-4)}.hero{background:var(--bg-gradient-hero);background-size:200% 200%;animation:gradientShift 12s ease infinite;color:#fff;border-radius:var(--radius-xl);padding:var(--space-7) var(--space-6);text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem)}.hero p{opacity:.92;max-width:560px;margin:var(--space-2) auto var(--space-4)}.hero-emoji{font-size:3rem;animation:floatY 3s ease-in-out infinite}.shop-card{overflow:hidden;cursor:pointer;padding:0!important}.shop-banner{position:relative;aspect-ratio:16 / 8;background:var(--bg-gradient-brand);overflow:hidden}.shop-banner img{width:100%;height:100%;object-fit:cover}.shop-status-badge{position:absolute;top:10px;right:10px}.shop-card-body{padding:var(--space-4)}.shop-logo-row{display:flex;align-items:center;gap:10px;margin-top:-34px}.shop-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.product-card{overflow:hidden;padding:0!important;display:flex;flex-direction:column}.product-img{position:relative;aspect-ratio:4 / 3;background:var(--bg-muted);overflow:hidden}.product-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-slow) var(--ease-out)}.product-card:hover .product-img img{transform:scale(1.06)}.product-card-body{padding:var(--space-4);display:flex;flex-direction:column;gap:6px;flex:1}.product-price{font-weight:800;color:var(--color-primary-darker);font-size:var(--fs-lg)}.product-badges{position:absolute;top:8px;left:8px;display:flex;gap:6px;flex-wrap:wrap}.soldout-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#1b2b3a80;display:grid;place-items:center;color:#fff;font-weight:800;letter-spacing:.05em}.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}.chip{flex-shrink:0;padding:.45rem 1rem;border-radius:var(--radius-pill);background:#fff;border:1.5px solid var(--border);color:var(--text-muted);font-size:var(--fs-sm);font-weight:600;cursor:pointer;transition:all var(--dur) var(--ease)}.chip:hover{border-color:var(--color-secondary)}.chip.active{background:var(--bg-gradient-brand);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm)}.qty{display:inline-flex;align-items:center;border:1.5px solid var(--border-strong);border-radius:var(--radius-pill);overflow:hidden}.qty button{width:34px;height:34px;border:none;background:#fff;cursor:pointer;font-size:1.1rem;color:var(--color-primary-darker);transition:background var(--dur-fast)}.qty button:hover{background:var(--bg-muted)}.qty span{min-width:34px;text-align:center;font-weight:700}@media (max-width: 720px){.navbar{height:auto}.navbar .container{flex-wrap:wrap;row-gap:10px;padding-block:10px}.brand{font-size:var(--fs-lg)}.search-wrap{order:10;flex-basis:100%;max-width:none}.search-input{padding-block:.65rem}.search-results{left:0;right:0}.nav-links{gap:4px}.nav-link{padding:.5rem .7rem}}@media (max-width: 400px){.brand span{display:none}}.auth-page{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--space-6) var(--space-4);min-height:100vh}.auth-card{width:100%;max-width:460px;animation:fadeInUp var(--dur-slow) var(--ease-out) both}.auth-card.wide{max-width:720px}.auth-brand{text-align:center;margin-bottom:var(--space-5)}.auth-brand .brand-logo{width:56px;height:56px;font-size:1.6rem;margin:0 auto 10px}.auth-title{text-align:center;margin-bottom:4px}.auth-sub{text-align:center;color:var(--text-muted);margin-bottom:var(--space-5)}.auth-foot{text-align:center;margin-top:var(--space-4);color:var(--text-muted);font-size:var(--fs-sm)}.strength{display:flex;gap:4px;margin-top:6px}.strength span{flex:1;height:5px;border-radius:3px;background:var(--border);transition:background var(--dur)}.strength.s1 span:nth-child(-n+1){background:var(--color-danger)}.strength.s2 span:nth-child(-n+2){background:var(--color-warning)}.strength.s3 span:nth-child(-n+3){background:#f1c40f}.strength.s4 span:nth-child(-n+4){background:var(--color-success)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 var(--space-4)}@media (max-width: 560px){.form-grid{grid-template-columns:1fr}}