:root{--bg-dark: #000000;--bg-secondary: #121212;--bg-tertiary: #1E1E1E;--primary: #00F2EA;--primary-dim: rgba(0, 242, 234, .1);--secondary: #FF0055;--text-main: #FFFFFF;--text-secondary: #A0A0A0;--text-tertiary: #666666;--border-light: rgba(255, 255, 255, .08);--border-medium: rgba(255, 255, 255, .15);--nav-height-mobile: 60px;--nav-height-desktop: 70px;--max-width-feed: 600px;--radius-lg: 24px;--radius-md: 16px;--radius-sm: 8px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .5);--glow-primary: 0 0 20px rgba(0, 242, 234, .15)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-dark);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;font-size:16px;line-height:1.5;padding-bottom:calc(var(--nav-height-mobile) + 20px)}@media(min-width:768px){body{padding-bottom:0;background-image:radial-gradient(circle at 10% 20%,rgba(0,242,234,.03) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(255,0,85,.03) 0%,transparent 40%)}}a{text-decoration:none;color:inherit}button{border:none;background:none;cursor:pointer;font-family:inherit;transition:transform .1s active}button:active{transform:scale(.96)}input,textarea{font-family:inherit}.container{width:100%;max-width:var(--max-width-feed);margin:0 auto;padding:0 16px}@media(min-width:768px){.container{padding:0 20px}}.mobile-only{display:block}.desktop-only{display:none}@media(min-width:768px){.mobile-only{display:none}.desktop-only{display:block}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease-out forwards}h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em}.text-gradient{background:linear-gradient(to right,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#fff3}.feed-grid{display:flex;flex-direction:column;gap:20px;width:100%;max-width:var(--max-width-feed);margin:0 auto}.main-layout{width:100%}@media(min-width:768px){.main-layout{display:flex;justify-content:center;gap:40px;max-width:1100px;margin:0 auto;padding-top:40px}.feed-column{width:600px;flex-shrink:0}.feed-column .container{max-width:100%;padding:0}.feed-column .feed-grid{max-width:100%}.right-sidebar-column{width:320px;flex-shrink:0}}.post-card{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-medium);padding:16px 0}@media(min-width:768px){.post-card{background:#14141499;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}.post-card:hover{transform:translateY(-2px);border-color:#ffffff26;box-shadow:0 10px 40px #0000004d}}.post-header{display:flex;justify-content:space-between;align-items:center;padding:0 16px;margin-bottom:16px}@media(max-width:768px){.post-header{padding:0 16px}}.user-info{display:flex;align-items:center;gap:12px}.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#00c2bb);color:#000;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;box-shadow:0 0 15px #00f2ea33}.alias{font-weight:800;font-size:15px;color:var(--text-main);letter-spacing:-.01em}.college-name{font-size:13px;color:var(--text-secondary);font-weight:500}.media-container{width:100%;border-radius:var(--radius-sm);overflow:hidden;margin-bottom:16px;border:1px solid rgba(255,255,255,.05)}@media(max-width:768px){.media-container{border-radius:0;width:100%;border-left:none;border-right:none}}.post-media{width:100%;max-height:700px;object-fit:cover;display:block}.post-content{padding:0 16px;margin-bottom:16px}.post-title{font-size:18px;font-weight:800;color:var(--text-main);margin-bottom:8px;line-height:1.3}.caption{font-size:15px;line-height:1.6;margin-bottom:12px;color:#e0e0e0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;font-weight:400}.tags{display:flex;flex-wrap:wrap;gap:8px}.tag{color:var(--primary);font-size:14px;font-weight:600;cursor:pointer}.action-row{display:flex;justify-content:space-between;align-items:center;padding:0 16px}.action-btn{display:flex;align-items:center;gap:8px;color:var(--text-secondary);transition:all .2s ease;background:none;font-size:14px;font-weight:600;padding:8px;border-radius:8px}.action-btn:hover{color:var(--text-main);background:#ffffff0d}