:root{--color-primary: #6366f1;--color-primary-light: #818cf8;--color-primary-dark: #4f46e5;--color-primary-bg: rgba(99, 102, 241, .08);--color-secondary: #06b6d4;--color-secondary-light: #22d3ee;--color-secondary-bg: rgba(6, 182, 212, .08);--color-accent: #f59e0b;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-bg: #fafbfc;--color-bg-alt: #f0f2f5;--color-surface: #ffffff;--color-surface-hover: #f8f9fb;--color-border: #e5e7eb;--color-border-light: #f0f1f3;--color-text: #1f2937;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-text-inverse: #ffffff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .08);--shadow-xl: 0 20px 48px rgba(0, 0, 0, .1);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--header-height: 4rem;--max-width: 1280px;--sidebar-width: 260px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-spring: .4s cubic-bezier(.34, 1.56, .64, 1);--z-dropdown: 100;--z-sticky: 200;--z-modal: 300;--z-toast: 400}[data-theme=dark]{--color-bg: #0f1117;--color-bg-alt: #1a1d27;--color-surface: #1e2130;--color-surface-hover: #262a39;--color-border: #2d3143;--color-border-light: #252839;--color-text: #e5e7eb;--color-text-secondary: #9ca3af;--color-text-muted: #6b7280;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 48px rgba(0, 0, 0, .6);--color-primary-bg: rgba(99, 102, 241, .15);--color-secondary-bg: rgba(6, 182, 212, .15)}@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 fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes pulseSubtle{0%,to{opacity:1}50%{opacity:.6}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.animate-fade-in{animation:fadeIn var(--transition-base) ease-out forwards}.animate-fade-in-up{animation:fadeInUp var(--transition-slow) ease-out forwards}.animate-fade-in-scale{animation:fadeInScale var(--transition-base) ease-out forwards}.animate-slide-in-right{animation:slideInRight var(--transition-base) ease-out forwards}.animate-pulse-subtle{animation:pulseSubtle 2s ease-in-out infinite}.stagger-1{animation-delay:0ms}.stagger-2{animation-delay:80ms}.stagger-3{animation-delay:.16s}.stagger-4{animation-delay:.24s}.stagger-5{animation-delay:.32s}.stagger-6{animation-delay:.4s}.stagger-7{animation-delay:.48s}.stagger-8{animation-delay:.56s}.stagger-9{animation-delay:.64s}.stagger-10{animation-delay:.72s}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--header-height)}body{font-family:var(--font-sans);font-size:var(--font-size-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-base),color var(--transition-base)}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--color-text)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}p{margin-bottom:var(--space-4)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-light)}img{max-width:100%;height:auto;display:block}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-alt)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-6)}@media (max-width: 768px){.container{padding:0 var(--space-4)}}.main-content{flex:1;padding-top:var(--header-height)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--font-size-sm);font-weight:600;line-height:1.5;border:2px solid transparent;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;-webkit-user-select:none;user-select:none;font-family:inherit}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:var(--color-text-inverse);box-shadow:0 2px 8px #6366f14d}.btn-primary:hover{box-shadow:0 4px 16px #6366f173;transform:translateY(-1px);color:var(--color-text-inverse)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-surface-hover);border-color:var(--color-primary-light);color:var(--color-primary)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg-alt);color:var(--color-text)}.btn-sm{padding:var(--space-2) var(--space-4);font-size:var(--font-size-xs)}.btn-lg{padding:var(--space-4) var(--space-8);font-size:var(--font-size-base)}.btn-icon{width:2.5rem;height:2.5rem;padding:0;border-radius:var(--radius-full)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg);border-color:var(--color-primary-light)}.card-interactive{cursor:pointer}.card-interactive:active{transform:scale(.98)}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-3);font-size:var(--font-size-xs);font-weight:600;border-radius:var(--radius-full);background:var(--color-primary-bg);color:var(--color-primary);white-space:nowrap}.badge-secondary{background:var(--color-secondary-bg);color:var(--color-secondary)}.badge-success{background:#10b9811a;color:var(--color-success)}.input{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--font-size-sm);font-family:inherit;color:var(--color-text);background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.input::placeholder{color:var(--color-text-muted)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-bg)}.grid{display:grid;gap:var(--space-6)}.grid-cols-1{grid-template-columns:1fr}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 1024px){.grid-cols-4{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.grid-cols-3,.grid-cols-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.skeleton{background:linear-gradient(90deg,var(--color-bg-alt) 25%,var(--color-border-light) 50%,var(--color-bg-alt) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:var(--radius-md)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.text-muted{color:var(--color-text-secondary)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}.mt-4{margin-top:var(--space-4)}.mt-8{margin-top:var(--space-8)}.mt-16{margin-top:var(--space-16)}.mb-4{margin-bottom:var(--space-4)}.mb-8{margin-bottom:var(--space-8)}.p-4{padding:var(--space-4)}.p-6{padding:var(--space-6)}.p-8{padding:var(--space-8)}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.section{padding:var(--space-16) 0}@media (max-width: 768px){.section{padding:var(--space-10) 0}}.section-title{font-size:var(--font-size-3xl);margin-bottom:var(--space-3)}.section-subtitle{color:var(--color-text-secondary);font-size:var(--font-size-lg);margin-bottom:var(--space-10)}.header{position:fixed;top:0;left:0;right:0;z-index:var(--z-sticky);height:var(--header-height);background:var(--color-surface);border-bottom:1px solid transparent;transition:all var(--transition-base);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header--scrolled{border-bottom-color:var(--color-border);box-shadow:var(--shadow-sm)}.header__inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:var(--space-6)}.header__logo{display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-xl);font-weight:800;color:var(--color-text);text-decoration:none;transition:opacity var(--transition-fast);flex-shrink:0}.header__logo:hover{opacity:.8;color:var(--color-text)}.header__logo-icon{font-size:1.5rem}.header__logo-text{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header__nav{display:flex;align-items:center;gap:var(--space-1)}.header__nav-link{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);border-radius:var(--radius-lg);transition:all var(--transition-fast);text-decoration:none}.header__nav-link:hover{color:var(--color-text);background:var(--color-bg-alt)}.header__nav-link--active{color:var(--color-primary);background:var(--color-primary-bg)}.header__nav-icon{font-size:1.1rem}.header__actions{display:flex;align-items:center;gap:var(--space-2)}.header__theme-btn{font-size:1.2rem}.header__menu-btn{display:none}.header__hamburger{display:flex;flex-direction:column;gap:5px;width:20px}.header__hamburger span{display:block;height:2px;background:var(--color-text);border-radius:2px;transition:all var(--transition-base);transform-origin:center}.header__hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.header__hamburger.is-open span:nth-child(2){opacity:0}.header__hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.header__mobile-overlay,.header__mobile-nav{display:none}@media (max-width: 768px){.header__nav{display:none}.header__menu-btn{display:inline-flex}.header__mobile-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;top:var(--header-height);background:#0006;z-index:-1;animation:fadeIn .2s ease-out}.header__mobile-nav{display:flex;flex-direction:column;position:fixed;top:var(--header-height);left:0;right:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:var(--space-4);gap:var(--space-2);transform:translateY(-100%);opacity:0;transition:all var(--transition-base);box-shadow:var(--shadow-lg)}.header__mobile-nav.is-open{transform:translateY(0);opacity:1}.header__mobile-link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);font-size:var(--font-size-base);font-weight:500;color:var(--color-text-secondary);border-radius:var(--radius-lg);transition:all var(--transition-fast);text-decoration:none}.header__mobile-link:hover{background:var(--color-bg-alt);color:var(--color-text)}.header__mobile-link--active{background:var(--color-primary-bg);color:var(--color-primary)}}.footer{margin-top:auto;background:var(--color-surface);border-top:1px solid var(--color-border)}.footer__inner{display:grid;grid-template-columns:1fr 2fr;gap:var(--space-12);padding-top:var(--space-16);padding-bottom:var(--space-12)}.footer__logo{font-size:var(--font-size-xl);font-weight:800;color:var(--color-text);text-decoration:none;margin-bottom:var(--space-2);display:inline-block}.footer__tagline{color:var(--color-text-secondary);font-size:var(--font-size-sm);margin:0}.footer__links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-8)}.footer__col-title{font-size:var(--font-size-sm);font-weight:700;color:var(--color-text);margin-bottom:var(--space-4);text-transform:uppercase;letter-spacing:.05em}.footer__link{display:block;padding:var(--space-1) 0;font-size:var(--font-size-sm);color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.footer__link:hover{color:var(--color-primary)}.footer__bottom{border-top:1px solid var(--color-border-light)}.footer__bottom-inner{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-6);padding-bottom:var(--space-6);font-size:var(--font-size-xs);color:var(--color-text-muted)}.footer__love{opacity:.7}@media (max-width: 768px){.footer__inner{grid-template-columns:1fr;gap:var(--space-8);padding-top:var(--space-10);padding-bottom:var(--space-8)}.footer__links{grid-template-columns:repeat(2,1fr);gap:var(--space-6)}.footer__bottom-inner{flex-direction:column;gap:var(--space-2);text-align:center}}@media (max-width: 480px){.footer__links{grid-template-columns:1fr}}.tool-card{position:relative;display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-6)}.tool-card__icon{width:3.5rem;height:3.5rem;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xl);background:var(--color-primary-bg);overflow:hidden;flex-shrink:0}.tool-card__icon--emoji{font-size:2rem;line-height:1}.tool-card__emoji{display:flex;align-items:center;justify-content:center}.tool-card__img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-xl)}.tool-card__body{flex:1;min-width:0}.tool-card__name{font-size:var(--font-size-base);font-weight:700;margin-bottom:var(--space-1);color:var(--color-text)}.tool-card__desc{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.5;margin-bottom:var(--space-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tool-card__tags{display:flex;flex-wrap:wrap;gap:var(--space-2)}.tool-card__save{position:absolute;top:var(--space-4);right:var(--space-4);width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;border:none;background:transparent;font-size:1.2rem;cursor:pointer;border-radius:var(--radius-full);transition:all var(--transition-fast);color:var(--color-text-muted)}.tool-card__save:hover{background:var(--color-bg-alt);transform:scale(1.15)}.tool-card__save--active{color:var(--color-accent)}.tool-grid__error,.tool-grid__empty{padding:var(--space-16) var(--space-8)}.tool-grid__error-icon,.tool-grid__empty-icon{font-size:3rem;display:block;margin-bottom:var(--space-4)}.category-filter{display:flex;flex-wrap:wrap;gap:var(--space-2)}.category-filter__btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);font-weight:500;font-family:inherit;color:var(--color-text-secondary);background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.category-filter__btn:hover{border-color:var(--color-primary-light);color:var(--color-primary)}.category-filter__btn--active{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.category-filter__btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.search-bar{position:relative;display:flex;align-items:center;width:100%;max-width:480px}.search-bar__icon{position:absolute;left:var(--space-4);font-size:1rem;pointer-events:none;opacity:.5}.search-bar__input{width:100%;padding:var(--space-3) var(--space-4) var(--space-3) 2.75rem;font-size:var(--font-size-sm);font-family:inherit;color:var(--color-text);background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-xl);transition:all var(--transition-fast);-webkit-appearance:none;-moz-appearance:none;appearance:none}.search-bar__input::placeholder{color:var(--color-text-muted)}.search-bar__input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-bg)}.search-bar__input::-webkit-search-cancel-button{display:none}.search-bar__clear{position:absolute;right:var(--space-3);width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center;border:none;background:var(--color-bg-alt);color:var(--color-text-secondary);font-size:.75rem;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast)}.search-bar__clear:hover{background:var(--color-border);color:var(--color-text)}.back-to-top{position:fixed;bottom:var(--space-8);right:var(--space-8);width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;color:var(--color-text-inverse);background:var(--color-primary);border:none;border-radius:var(--radius-full);box-shadow:var(--shadow-lg);cursor:pointer;z-index:var(--z-dropdown);transition:all var(--transition-fast)}.back-to-top:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-xl)}.back-to-top:active{transform:translateY(0)}@media (max-width: 768px){.back-to-top{bottom:var(--space-6);right:var(--space-6);width:2.75rem;height:2.75rem}}.error-boundary{max-width:480px;margin:var(--space-20) auto}.home-page{overflow:hidden}.hero{position:relative;padding:var(--space-20) 0 var(--space-16);text-align:center;overflow:hidden}.hero:before{content:"";position:absolute;top:-50%;left:50%;transform:translate(-50%);width:800px;height:800px;background:radial-gradient(circle,var(--color-primary-bg) 0%,transparent 70%);pointer-events:none}.hero__inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--space-6)}.hero__badge{display:inline-flex;align-items:center;padding:var(--space-2) var(--space-5);font-size:var(--font-size-sm);font-weight:600;color:var(--color-primary);background:var(--color-primary-bg);border:1px solid var(--color-primary-light);border-radius:var(--radius-full);opacity:0;animation:fadeInDown .5s ease-out forwards}.hero__title{font-size:clamp(2rem,5vw,3.5rem);font-weight:900;line-height:1.2;opacity:0;animation:fadeInUp .6s ease-out forwards;animation-delay:.1s}.hero__highlight{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero__subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);max-width:600px;line-height:1.7;opacity:0;animation:fadeInUp .6s ease-out forwards;animation-delay:.2s}.hero__actions{display:flex;gap:var(--space-4);flex-wrap:wrap;justify-content:center;opacity:0;animation:fadeInUp .6s ease-out forwards;animation-delay:.3s}.hero__stats{display:flex;gap:var(--space-12);margin-top:var(--space-4);opacity:0;animation:fadeInUp .6s ease-out 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h1{margin-bottom:var(--space-2)}.explore-page__controls{display:flex;flex-direction:column;gap:var(--space-4);margin-bottom:var(--space-6)}.explore-page__controls>*:first-child{max-width:480px}.explore-page__count{margin-bottom:var(--space-6)}.explore-page__count strong{color:var(--color-primary);font-weight:700}@media (max-width: 480px){.explore-page__controls>*:first-child{max-width:100%}}.breadcrumb{display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);margin-bottom:var(--space-8);color:var(--color-text-muted)}.breadcrumb a{color:var(--color-text-secondary);text-decoration:none}.breadcrumb 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