:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.card{padding:2em}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#f4f4f4;color:#333;overflow-x:hidden}.app-container{display:flex;flex-direction:column;min-height:100vh;width:100%}.navbar{position:fixed;top:0;left:0;width:100%;height:64px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;border-bottom:1px solid rgba(0,0,0,.05);display:flex;justify-content:center}.nav-content{width:100%;max-width:1800px;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:22px;font-weight:800;display:flex;align-items:center;gap:6px}.logo-text{background:linear-gradient(45deg,#6a11cb,#2575fc);-webkit-background-clip:text;color:transparent}.search-bar{flex:1;margin:0 40px;max-width:500px;background:#f0f2f5;padding:10px 20px;border-radius:99px;display:flex;align-items:center;transition:background .2s}.search-bar:focus-within{background:#fff;box-shadow:0 0 0 2px #2575fc33}.search-bar input{border:none;background:transparent;width:100%;outline:none;font-size:14px}.search-icon{margin-right:8px;color:#999}.desktop-auth{display:flex;gap:12px}.btn-login,.btn-register{padding:8px 20px;border-radius:24px;border:none;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .2s}.btn-login{background:#fff;border:1px solid #e0e0e0;color:#333}.btn-login:hover{background:#f8f9fa}.btn-register{background:#222;color:#fff}.btn-register:hover{opacity:.9}.main-content{margin-top:64px;padding:24px 24px 60px;width:100%;max-width:1800px;margin-left:auto;margin-right:auto}.waterfall{column-count:5;column-gap:24px}.card{break-inside:avoid;background:#fff;border-radius:16px;margin-bottom:24px;box-shadow:0 4px 12px #0000000a;overflow:hidden;transition:transform .2s;cursor:pointer}.card:hover{transform:translateY(-4px);box-shadow:0 10px 20px #00000014}.card-image-wrapper{background:#f0f0f0;min-height:150px;position:relative}.card-image{width:100%;display:block;opacity:0;transition:opacity .4s ease}.card-image.loaded{opacity:1}.card-body{padding:16px}.card-title{font-size:16px;font-weight:700;line-height:1.4;margin-bottom:10px;color:#222}.card-footer{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#888}.author-info{display:flex;align-items:center;gap:8px}.avatar{width:24px;height:24px;border-radius:50%;object-fit:cover}.loading-sentinel{padding:40px;text-align:center;color:#999;font-size:14px}.footer{position:fixed;bottom:0;left:0;width:100%;height:28px;background:#ffffffd9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-top:1px solid rgba(0,0,0,.05);display:flex;align-items:center;justify-content:center;z-index:900;font-size:11px;color:#bbb}.footer p{margin-right:15px}.icp-link{color:#aaa;text-decoration:none;font-family:monospace;transition:color .2s}.icp-link:hover{color:#555;text-decoration:underline}.mobile-tab-bar{display:none}@media(min-width:1600px){.waterfall{column-count:6}}@media(min-width:1900px){.waterfall{column-count:7}}@media(max-width:1200px){.waterfall{column-count:4;column-gap:20px}}@media(max-width:900px){.waterfall{column-count:3;column-gap:16px}}@media(max-width:768px){.main-content{margin-top:50px;padding:8px 8px 100px}.waterfall{column-count:2;column-gap:8px}.card{margin-bottom:8px;border-radius:8px}.navbar{height:50px}.desktop-auth{display:none}.nav-content{padding:0 12px}.logo-text{font-size:18px}.search-bar{margin:0 10px;height:32px;padding:0 12px}.search-bar input{font-size:13px}.card-body{padding:10px}.card-title{font-size:14px;margin-bottom:6px}.card-footer{font-size:11px}.avatar{width:18px;height:18px}.footer{position:static;height:auto;padding:20px 0 30px;background:transparent;border-top:none;flex-direction:column;gap:4px;-webkit-backdrop-filter:none;backdrop-filter:none}.footer p{margin-right:0}.mobile-tab-bar{display:flex;position:fixed;bottom:0;left:0;width:100%;height:55px;background:#fffffffa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid #f0f0f0;z-index:1000;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom)}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;color:#999}.tab-item.active{color:#222;font-weight:700}.tab-icon{font-size:22px;margin-bottom:2px}.add-btn-wrapper .add-btn{width:42px;height:30px;background:#222;color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}}