@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Geist+Mono:wght@400;500&display=swap");:root{--grad-primary:linear-gradient(135deg,#8b5cf6,#6366f1);--grad-accent:linear-gradient(135deg,#8b5cf6,#06b6d4);--grad-warm:linear-gradient(135deg,#f97316,#ef4444);--grad-cool:linear-gradient(135deg,#06b6d4,#10b981);--accent-purple:#8b5cf6;--accent-indigo:#6366f1;--accent-cyan:#06b6d4;--accent-pink:#ec4899;--accent-orange:#f97316;--accent-green:#10b981;--green:#10b981;--amber:#f59e0b;--red:#ef4444;--blue:#3b82f6;--radius:16px;--radius-sm:12px;--radius-xs:8px;--radius-pill:999px;--font:"Inter",-apple-system,"Segoe UI",sans-serif;--font-mono:"Geist Mono","SF 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ease}.topbar,.topbar-left{display:flex;align-items:center}.topbar-left{gap:40px}.topbar-brand,.topbar-right{display:flex;align-items:center;gap:12px}.topbar-logo{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:1.2rem}.topbar-logo,.topbar-title{background:var(--grad-primary)}.topbar-title{font-size:1.15rem;font-weight:700;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.topbar-nav{display:flex;gap:6px}.nav-link{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-weight:500;font-size:.9rem;transition:all .2s ease;text-decoration:none}.nav-link:hover{background:var(--bg-hover);color:var(--text)}.nav-link.active{background:rgba(139,92,246,.15);color:var(--accent-purple)}.nav-link 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h3{font-size:1.05rem;margin-bottom:8px;line-height:1.4;font-weight:600;color:var(--text)}.paper-row-summary{font-size:.88rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6;margin-bottom:8px}.paper-row-journal{font-size:.78rem;color:var(--accent-cyan);font-weight:500;margin-bottom:6px}.paper-row-authors{font-size:.78rem;color:var(--text-tertiary);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.paper-row-tags{display:flex;gap:6px;flex-wrap:wrap}.paper-row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex-shrink:0;min-width:70px}.paper-date{font-size:.72rem;color:var(--text-dim);font-family:var(--font-mono)}.paper-link{font-size:.72rem;color:var(--accent-cyan);font-weight:500;opacity:0;transition:opacity .2s}.paper-row:hover .paper-link{opacity:1}.status{padding:24px 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rgba(139,92,246,.3)}.empty-icon svg{width:32px;height:32px;stroke-width:1.5}.empty-state h3{margin-bottom:10px;font-size:1.25rem;color:var(--text)}.profile-page{max-width:560px}.profile-form{display:flex;flex-direction:column;gap:16px}.profile-divider{border:none;border-top:1px solid var(--border);margin:32px 0}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (max-width:1024px){.app-content{padding:28px 24px 60px}.topbar{padding:0 24px}.stats-row{grid-template-columns:repeat(2,1fr)}.bento-card-large{grid-column:span 1}}@media (max-width:768px){.app-content{padding:24px 16px 60px}.topbar{padding:0 16px}.topbar-nav{display:none}.papers-toolbar,.search-form{flex-direction:column}.bento-grid,.quality-bar-row,.stats-row{grid-template-columns:1fr}.quality-bar-row{gap:8px}.paper-detail-header h1{font-size:1.4rem}.hero-section{padding:32px 20px}.hero-section h1{font-size:1.75rem}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-deep)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-bright)}