:root{--font-main:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--color-bg:#ffffff;--color-text:#1a1a1a;--color-text-muted:#666666;--color-accent:#f26419;--color-border:#f0f0f0;--color-card-bg:#ffffff;--color-header-bg:rgba(255, 255, 255, 0.8);--color-footer-bg:#fdfdfd;--max-width:1100px;--header-height:3.5rem}:root.dark{--color-bg:#121212;--color-text:#e0e0e0;--color-text-muted:#a0a0a0;--color-accent:#ff7e33;--color-border:#2a2a2a;--color-card-bg:#1e1e1e;--color-header-bg:rgba(18, 18, 18, 0.8);--color-footer-bg:#181818}*{box-sizing:border-box}html{font-family:var(--font-main);background:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased;transition:background-color .2s ease,color .2s ease}body{margin:0;display:flex;flex-direction:column;min-height:100vh}.site-header{background:var(--color-header-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);padding:.5rem 0;position:sticky;top:0;z-index:100;height:var(--header-height);display:flex;align-items:center}.nav-container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center}.nav-right{display:flex;align-items:center;gap:1.25rem}.site-title{font-size:1rem;font-weight:700;text-decoration:none;color:var(--color-text);letter-spacing:-.01em}.nav-links{list-style:none;display:flex;gap:1.25rem;margin:0;padding:0}.nav-links a{text-decoration:none;color:var(--color-text-muted);font-size:.85rem;font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--color-accent)}.theme-toggle{background:0 0;border:none;padding:.5rem;border-radius:50%;cursor:pointer;color:var(--color-text-muted);display:flex;align-items:center;justify-content:center;transition:all .2s ease;z-index:101}.theme-toggle:hover{color:var(--color-text);background:var(--color-border)}.theme-toggle svg{width:1.2rem;height:1.2rem}.sun{display:block}.moon{display:none}:root.dark .sun{display:none}:root.dark .moon{display:block}.menu-toggle{display:none;flex-direction:column;justify-content:space-between;width:1.2rem;height:.9rem;background:0 0;border:none;cursor:pointer;padding:0;color:var(--color-text-muted);z-index:101;transition:color .2s ease}.menu-toggle:hover{color:var(--color-text)}.hamburger-line{display:block;width:100%;height:2px;background-color:currentColor;border-radius:2px;transition:transform .2s ease,opacity .2s ease}.menu-toggle.active .hamburger-line:nth-child(1){transform:translateY(5.5px)rotate(45deg)}.menu-toggle.active .hamburger-line:nth-child(2){opacity:0}.menu-toggle.active .hamburger-line:nth-child(3){transform:translateY(-5.5px)rotate(-45deg)}@media(max-width:768px){.menu-toggle{display:flex}.nav-links{position:fixed;top:var(--header-height);left:0;width:100%;height:calc(100vh - var(--header-height));background:var(--color-bg);flex-direction:column;align-items:center;justify-content:center;gap:2rem;padding:2rem;z-index:99;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform .3s cubic-bezier(.16,1,.3,1),opacity .3s ease,background-color .2s ease;border-bottom:1px solid var(--color-border)}.nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}.nav-links a{font-size:1.3rem;font-weight:600;color:var(--color-text)}.nav-links a:hover{color:var(--color-accent)}}main{flex:1;max-width:var(--max-width);margin:0 auto;padding:1rem 1.5rem;width:100%}.site-footer{text-align:center;padding:2rem;font-size:.75rem;color:var(--color-text-muted);border-top:1px solid var(--color-border);background:var(--color-footer-bg)}h1,h2,h3{color:var(--color-text);font-weight:800;letter-spacing:-.02em;line-height:1.2}a{color:var(--color-accent);transition:color .2s}.hidden{display:none!important}.nav-search-container{position:relative;display:flex;align-items:center}.nav-search-toggle{background:0 0;border:none;padding:.5rem;border-radius:50%;cursor:pointer;color:var(--color-text-muted);display:flex;align-items:center;justify-content:center;transition:all .2s ease;z-index:101}.nav-search-toggle:hover{color:var(--color-text);background:var(--color-border)}.nav-search-toggle svg{width:1.2rem;height:1.2rem}.nav-search-box{position:relative;display:flex;align-items:center}.nav-search-box .search-input-icon{position:absolute;left:.75rem;width:1rem;height:1rem;color:var(--color-text-muted);pointer-events:none}#nav-search-input{width:180px;padding:.45rem 2rem .45rem 2.25rem;font-size:.85rem;border:1px solid var(--color-border);border-radius:20px;background:var(--color-card-bg);color:var(--color-text);outline:none;transition:width .25s cubic-bezier(.16,1,.3,1),border-color .2s ease,box-shadow .2s ease}#nav-search-input:focus{width:250px;border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(242,100,25,.15)}.nav-search-clear,.nav-search-close{background:0 0;border:none;padding:.25rem;cursor:pointer;color:var(--color-text-muted);display:flex;align-items:center;justify-content:center;transition:color .2s ease}.nav-search-clear{position:absolute;right:.5rem}.nav-search-clear:hover,.nav-search-close:hover{color:var(--color-text)}.nav-search-clear svg,.nav-search-close svg{width:.9rem;height:.9rem}.nav-search-close{display:none}.nav-search-dropdown{position:absolute;top:calc(100% + .6rem);right:0;width:360px;max-height:420px;background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.15);overflow-y:auto;z-index:200;animation:dropdown-fade-in .2s cubic-bezier(.16,1,.3,1)}:root.dark .nav-search-dropdown{box-shadow:0 10px 30px rgba(0,0,0,.5)}@keyframes dropdown-fade-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.nav-search-results{display:flex;flex-direction:column;padding:.4rem 0}.search-result-item{display:flex;align-items:center;gap:.75rem;padding:.6rem .9rem;text-decoration:none;color:var(--color-text);transition:background-color .15s ease;border-bottom:1px solid var(--color-border)}.search-result-item:last-child{border-bottom:none}.search-result-item:hover,.search-result-item.selected{background:var(--color-border)}.result-thumb{width:38px;height:38px;border-radius:8px;overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.1rem}.result-thumb img{width:100%;height:100%;object-fit:cover}.result-info{display:flex;flex-direction:column;min-width:0;flex:1}.result-title{font-size:.88rem;font-weight:600;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.result-meta{display:flex;align-items:center;gap:.4rem;font-size:.72rem;color:var(--color-text-muted);margin-top:.15rem}.result-category-badge{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.03rem;color:var(--color-accent)}.no-search-results,.search-results-footer{padding:.85rem 1rem;text-align:center;font-size:.82rem;color:var(--color-text-muted)}.search-results-footer a{color:var(--color-accent);text-decoration:none;font-weight:600}.search-results-footer a:hover{text-decoration:underline}@media(min-width:769px){.nav-search-toggle{display:none}}@media(max-width:768px){.nav-search-toggle{display:flex}.nav-search-box{display:none}.nav-search-container.active{position:static}.nav-search-container.active .nav-search-box{display:flex;position:absolute;top:0;left:0;width:100%;height:var(--header-height);background:var(--color-bg);padding:0 1rem;z-index:150;align-items:center;border-bottom:1px solid var(--color-border);animation:mobile-search-slide-down .2s cubic-bezier(.16,1,.3,1)}.nav-search-container.active #nav-search-input{width:100%;height:2.3rem;font-size:.95rem;padding-left:2.5rem;padding-right:4.5rem;border-radius:8px}.nav-search-container.active .nav-search-box .search-input-icon{left:1.6rem}.nav-search-container.active .nav-search-clear{right:2.8rem}.nav-search-container.active .nav-search-close{display:flex;position:absolute;right:.75rem}.nav-search-container.active .nav-search-dropdown{position:fixed;top:var(--header-height);left:0;right:0;width:100%;max-height:calc(100vh - var(--header-height));border-radius:0;border-left:none;border-right:none;box-shadow:0 10px 25px rgba(0,0,0,.2)}}@keyframes mobile-search-slide-down{from{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}