:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;--primary-color: #6366f1;--primary-hover: #4f46e5;--bg-color: #f8fafc;--card-bg: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);color-scheme:light;color:var(--text-primary);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;flex-direction:column;min-height:100vh}#app{width:100%;max-width:100%;margin:0;padding:0}.hidden{display:none!important}.text-secondary{color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;border:none;border-radius:.5rem;font-size:.875rem;font-weight:600;cursor:pointer;text-decoration:none;transition:background-color .15s,box-shadow .15s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-sm{padding:.375rem .75rem;font-size:.8125rem}.btn-link{background:none;border:none;color:var(--primary-color);cursor:pointer;font-size:.8125rem;font-weight:500;padding:0;text-decoration:none}.btn-link:hover{text-decoration:underline}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:1rem;padding:2rem;box-shadow:var(--shadow-md)}.card h2{font-size:1.5rem;font-weight:700;margin:0 0 1rem}.card p{line-height:1.6;margin:0 0 .75rem}.card a{color:var(--primary-color);font-weight:500}.unauth-page{display:flex;flex-direction:column;align-items:center;min-height:100vh}.unauth-header{width:100%;display:flex;justify-content:flex-end;padding:1rem 1.5rem;box-sizing:border-box}.unauth-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem 1.5rem;max-width:600px}.unauth-logo{height:140px;width:auto;margin-bottom:2rem;filter:drop-shadow(0 4px 12px rgb(0 0 0 / .1))}.unauth-title{font-size:2rem;font-weight:800;letter-spacing:-.03em;margin:0 0 1rem;background:linear-gradient(to right,var(--primary-color),#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.unauth-description{font-size:1.1rem;color:var(--text-secondary);line-height:1.6;margin:0 0 1rem}.unauth-contact{color:var(--text-secondary);margin:0 0 2rem}.unauth-contact a{color:var(--primary-color);font-weight:600}.auth-main{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 3rem;width:100%;box-sizing:border-box}.auth-layout{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}.welcome-panel .card h2{margin-bottom:1.25rem}.changelog-panel .card{max-height:80vh;display:flex;flex-direction:column}.changelog-panel .card h2{flex-shrink:0}#changelog-entries{overflow-y:auto;flex:1}.changelog-entry{padding:1rem 0;border-bottom:1px solid var(--border-color)}.changelog-entry:last-child{border-bottom:none}.changelog-meta{display:flex;align-items:center;gap:.5rem;margin-bottom:.375rem}.changelog-date{font-size:.75rem;color:var(--text-secondary);font-weight:500;font-variant-numeric:tabular-nums}.changelog-badge{display:inline-block;font-size:.65rem;font-weight:600;padding:.1rem .4rem;border-radius:.25rem;text-transform:uppercase;letter-spacing:.03em}.changelog-badge--judge-papers{background-color:#dbeafe;color:#1d4ed8}.changelog-badge--site{background-color:#f3e8ff;color:#7c3aed}.changelog-badge--shared-ui{background-color:#d1fae5;color:#047857}.changelog-title{font-size:.95rem;font-weight:600;margin:0 0 .25rem;line-height:1.4}.changelog-desc,.changelog-desc-full{font-size:.85rem;color:var(--text-secondary);line-height:1.5;margin:0 0 .25rem;white-space:pre-line}.changelog-toggle{font-size:.8rem}.user-menu-container{position:relative}.user-btn{display:flex;align-items:center;gap:.5rem;padding:.375rem .75rem;border:1px solid var(--border-color);border-radius:.5rem;background:#fff;color:var(--text-primary);font-size:.8125rem;font-weight:500;cursor:pointer;white-space:nowrap}.user-btn:hover{background:#f8fafc}.dropdown-menu{display:none;position:absolute;top:calc(100% + .375rem);right:0;background:#fff;border:1px solid var(--border-color);border-radius:.5rem;box-shadow:var(--shadow-md);min-width:200px;z-index:200;overflow:hidden}.dropdown-menu.show{display:block}.dropdown-item{display:block;padding:.625rem 1rem;color:var(--text-primary);text-decoration:none;font-size:.8125rem;transition:background .15s}.dropdown-item:hover{background:#f1f5f9}.site-footer{margin-top:auto;text-align:center;padding:2rem 1.5rem;color:var(--text-secondary);font-size:.875rem;border-top:1px solid var(--border-color)}@media(max-width:768px){.auth-layout{grid-template-columns:1fr}.unauth-title{font-size:1.5rem}.unauth-logo{height:100px}}