:root{--bg-color:#fff;--surface-color:#f8f9fa;--surface-lighter:#fff;--primary-color:#000;--secondary-color:#6c757d;--accent-color:#007bff;--accent-hover:#0056b3;--text-primary:#1a1a1a;--text-secondary:#666;--border-color:#e9ecef;--error-color:#dc3545;--success-color:#28a745;--shadow-sm:0 2px 4px #0000000d;--shadow-md:0 4px 6px #0000001a;--shadow-lg:0 10px 15px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:24px;--font-main:"Outfit", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}[data-theme=dark]{--bg-color:#000;--surface-color:#0a0a0a;--surface-lighter:#161616;--primary-color:#fff;--secondary-color:#a0a0a0;--accent-color:#0095f6;--accent-hover:#1877f2;--text-primary:#fff;--text-secondary:#8e8e8e;--border-color:#262626;--shadow-sm:0 2px 4px #00000080;--shadow-md:0 4px 6px #000000b3;--shadow-lg:0 10px 15px #000c}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-main);line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:all .2s}button{cursor:pointer;background:0 0;border:none;outline:none;justify-content:center;align-items:center;font-family:inherit;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}input,textarea{background:var(--surface-color);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);width:100%;padding:14px 16px;font-size:16px;transition:all .2s}input:focus,textarea:focus{background:var(--surface-lighter);border-color:var(--accent-color);outline:none;box-shadow:0 0 0 3px #007bff1a}.container{max-width:1200px;margin:0 auto;padding:0 20px}.main-content{flex-direction:column;width:100%;min-height:calc(100vh - 72px);margin:0 auto;display:flex}@media (width>=769px){.feed-container{max-width:1200px;margin:0 auto;padding:0 24px}}.auth-container{background:radial-gradient(circle at 100% 0,#007bff0d,#0000),radial-gradient(circle at 0 100%,#007bff0d,#0000);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{background:var(--surface-lighter);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-lg);padding:48px}.btn-primary{background-color:var(--accent-color);color:#fff;border-radius:var(--radius-md);width:100%;padding:14px 24px;font-size:16px;font-weight:600}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-outline{border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);background:0 0;width:100%;padding:12px 24px;font-weight:500}.btn-outline:hover{background:var(--surface-color);border-color:var(--text-secondary)}.logo-text{letter-spacing:-2px;background:linear-gradient(135deg, var(--accent-color), #00d2ff);-webkit-text-fill-color:transparent;text-align:center;-webkit-background-clip:text;margin-bottom:8px;font-size:42px;font-weight:900}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-16{gap:16px}.gap-24{gap:24px}.text-center{text-align:center}.text-sm{font-size:14px}.text-secondary{color:var(--text-secondary)}.desktop-nav{z-index:1000;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);background:#fffc;align-items:center;height:72px;display:flex;position:sticky;top:0}[data-theme=dark] .desktop-nav{background:#000c}.nav-container{justify-content:space-between;align-items:center;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;display:flex}.nav-logo{letter-spacing:-1.5px;background:linear-gradient(135deg, var(--accent-color), #00d2ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:28px;font-weight:900}.nav-search-bar{background:var(--surface-color);border-radius:var(--radius-md);width:100%;max-width:320px;color:var(--text-secondary);align-items:center;gap:12px;padding:8px 16px;display:flex}.nav-search-bar input{box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important;font-size:14px!important}.nav-links{align-items:center;gap:8px;display:flex}.nav-item{border-radius:var(--radius-md);color:var(--text-primary);opacity:.7;padding:8px}.nav-item:hover,.nav-item.active{opacity:1;background:var(--surface-color)}.logout-btn{color:var(--error-color)}.mobile-nav{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border-color);z-index:1000;background:#ffffffe6;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:none;position:fixed;bottom:0;left:0;right:0}[data-theme=dark] .mobile-nav{background:#000000e6}.mobile-nav-item{color:var(--text-primary);opacity:.6;flex-direction:column;align-items:center;display:flex;position:relative}.mobile-nav-item.active{opacity:1;color:var(--accent-color)}.nav-indicator{background:var(--accent-color);border-radius:50%;width:4px;height:4px;position:absolute;top:-12px}.desktop-only{display:block}.mobile-only{display:none}.mobile-header{z-index:1000;background:var(--bg-color);border-bottom:1px solid var(--border-color);justify-content:center;align-items:center;padding:12px 0;display:none;position:sticky;top:0}@media (width<=768px){.desktop-nav{display:none}.mobile-nav{display:flex}.desktop-only{display:none!important}.mobile-only{display:block!important}.mobile-header{display:flex}body{padding-bottom:70px}.container{padding:0 16px}}@media (width<=480px){.auth-card{box-shadow:none;background:0 0;border:none;border-radius:0;padding:32px 24px}.auth-container{background:var(--bg-color)}}