:root{--bg:#f8f9fb;--surface:#fff;--border:#e5e7eb;--border-light:#f0f1f3;--text:#111827;--text-secondary:#6b7280;--text-tertiary:#9ca3af;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-light:#eff6ff;--success:#059669;--success-light:#ecfdf5;--warning:#d97706;--warning-light:#fffbeb;--error:#dc2626;--error-light:#fef2f2;--radius:12px;--radius-sm:8px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--font-mono:"SF Mono", "Fira Code", "JetBrains Mono", monospace;--max-width:1080px;--reading-width:720px;--shadow-sm:0 1px 2px #0000000a;--shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.page{max-width:var(--max-width);margin:0 auto;padding:32px 24px}.page-header{margin-bottom:32px}.page-header h1{letter-spacing:-.02em;font-size:24px;font-weight:600}.page-header p{color:var(--text-secondary);margin-top:4px;font-size:15px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px}.badge{border-radius:100px;align-items:center;padding:2px 10px;font-size:12px;font-weight:500;line-height:20px;display:inline-flex}.badge-ready,.badge-active{background:var(--success-light);color:var(--success)}.badge-processing,.badge-queued,.badge-retrying,.badge-trialing{background:var(--warning-light);color:var(--warning)}.badge-failed,.badge-blocked,.badge-error{background:var(--error-light);color:var(--error)}.badge-inactive,.badge-incomplete{background:var(--bg);color:var(--text-secondary)}.table-wrap{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th{text-align:left;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);background:var(--bg);border-bottom:1px solid var(--border);padding:12px 16px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border-light);vertical-align:middle;padding:12px 16px}tr:last-child td{border-bottom:none}tr.clickable{cursor:pointer}tr.clickable:hover td{background:var(--accent-light)}tr.clickable:focus-visible td{background:var(--accent-light);outline:2px solid var(--accent);outline-offset:-2px}.btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.btn:hover{background:var(--bg)}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}nav{background:var(--surface);border-bottom:1px solid var(--border);z-index:50;position:sticky;top:0}nav .nav-inner{max-width:var(--max-width);align-items:center;gap:32px;height:56px;margin:0 auto;padding:0 24px;display:flex}nav .nav-brand{color:var(--text);letter-spacing:-.01em;align-items:center;gap:10px;font-size:15px;font-weight:600;display:inline-flex}nav .nav-brand-logo{object-fit:contain;border-radius:8px;width:28px;height:28px}nav .nav-links{gap:4px;display:flex}nav .nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);padding:6px 12px;font-size:14px;font-weight:500;transition:all .15s}nav .nav-link:hover{color:var(--text);background:var(--bg)}nav .nav-link.active{color:var(--accent);background:var(--accent-light)}nav .nav-right{align-items:center;gap:12px;margin-left:auto;display:flex}nav .nav-user-name{color:var(--text-secondary);font-size:13px}nav .nav-avatar{object-fit:cover;border-radius:50%;width:28px;height:28px}.skeleton{background:linear-gradient(90deg, var(--border-light) 25%, var(--bg) 50%, var(--border-light) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:16px;margin-bottom:12px}.skeleton-card{height:120px}.empty-state{text-align:center;color:var(--text-secondary);padding:64px 24px}.empty-state h3{color:var(--text);margin-bottom:8px;font-size:16px;font-weight:600}.access-required{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.access-required-logo{object-fit:contain;width:88px;height:88px;margin-bottom:16px}.access-required-actions{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px;display:flex}.workspace-header{margin-bottom:24px}.workspace-title-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.workspace-title-row h1{letter-spacing:-.02em;font-size:24px;font-weight:600}.workspace-actions{gap:8px;display:flex}.workspace-description{color:var(--text-secondary);margin-top:4px;font-size:15px}.workspace-tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:24px;display:flex}.workspace-tab{color:var(--text-secondary);border-bottom:2px solid #0000;margin-bottom:-1px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .15s}.workspace-tab:hover{color:var(--text)}.workspace-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.library-list{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);flex-direction:column;display:flex}.library-list-item{border-bottom:1px solid var(--border-light);cursor:pointer;align-items:center;gap:16px;padding:16px 20px;transition:background .15s;display:flex}.library-list-item:last-child{border-bottom:none}.library-list-item:hover{background:var(--accent-light)}.library-list-item:first-child{border-radius:var(--radius) var(--radius) 0 0}.library-list-item:last-child{border-radius:0 0 var(--radius) var(--radius)}.library-list-item:only-child{border-radius:var(--radius)}.library-list-main{flex:1;min-width:0}.library-list-name{font-size:15px;font-weight:600}.library-list-desc{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:13px;overflow:hidden}.library-list-meta{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:4px;display:flex}.library-list-actions{flex-shrink:0;gap:2px;display:flex}.account-dropdown-wrapper{position:relative}.account-dropdown-trigger{cursor:pointer;border-radius:var(--radius-sm);font-family:var(--font);background:0 0;border:none;align-items:center;gap:8px;padding:4px;display:flex}.account-dropdown-trigger:hover{background:var(--bg)}.nav-avatar-placeholder{background:var(--bg);width:28px;height:28px;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:inline-flex}.account-dropdown-menu{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);z-index:60;min-width:220px;margin-top:4px;position:absolute;top:100%;right:0;overflow:hidden}.account-dropdown-header{padding:12px 16px}.account-dropdown-name{font-size:14px;font-weight:600}.account-dropdown-email{color:var(--text-secondary);margin-top:2px;font-size:12px}.account-dropdown-divider{border-top:1px solid var(--border-light)}.account-dropdown-item{color:var(--text);cursor:pointer;padding:8px 16px;font-size:14px;text-decoration:none;display:block}.account-dropdown-item:hover{background:var(--accent-light);color:var(--text)}.account-dropdown-danger{color:var(--error)}.account-dropdown-danger:hover{background:var(--error-light);color:var(--error)}.badge-plan{text-transform:uppercase;letter-spacing:.04em;background:var(--accent-light);color:var(--accent);border-radius:100px;margin-top:6px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.usage-bar-nav{align-items:center;gap:12px;display:flex}.usage-bar-item{cursor:default;align-items:center;gap:4px;display:flex}.usage-bar-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.03em;font-size:11px;font-weight:500}.usage-bar-track{background:var(--border-light);border-radius:2px;width:40px;height:4px;overflow:hidden}.usage-bar-fill-nav{border-radius:2px;height:100%;transition:width .3s}.usage-fill-ok{background:var(--success)}.usage-fill-warning{background:var(--warning)}.usage-fill-danger{background:var(--error)}.usage-bar-count{color:var(--text-tertiary);font-variant-numeric:tabular-nums;font-size:11px}.account-stat-value{font-size:28px;font-weight:600}.reader{max-width:var(--reading-width);margin:0 auto}.reader-header{border-bottom:1px solid var(--border);margin-bottom:40px;padding-bottom:24px}.reader-header h1{letter-spacing:-.03em;font-size:28px;font-weight:600;line-height:1.3}.reader-meta{color:var(--text-secondary);flex-wrap:wrap;gap:16px;margin-top:12px;font-size:14px;display:flex}.reader-content{color:#1a1a2e;font-size:17px;line-height:1.8}.reader-content h1,.reader-content h2,.reader-content h3{letter-spacing:-.02em;margin-top:2em;margin-bottom:.5em;font-weight:600}.reader-content h1{font-size:24px}.reader-content h2{font-size:20px}.reader-content h3{font-size:17px}.reader-content p{margin-bottom:1em}.reader-content ul,.reader-content ol{margin-bottom:1em;padding-left:1.5em}.reader-content code{font-family:var(--font-mono);background:var(--bg);border-radius:4px;padding:2px 6px;font-size:.9em}.reader-content pre{color:#e5e7eb;border-radius:var(--radius-sm);background:#1a1a2e;margin-bottom:1em;padding:16px 20px;overflow-x:auto}.reader-content pre code{color:inherit;background:0 0;padding:0}.reader-content blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);margin-bottom:1em;padding-left:16px}.reader-content table{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:1em}.filters{gap:8px;margin-bottom:16px;display:flex}.filter-select{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;padding:6px 12px;font-size:14px}.back-link{color:var(--text-secondary);align-items:center;gap:4px;margin-bottom:24px;font-size:14px;display:inline-flex}.back-link:hover{color:var(--accent)}.account-card{align-items:center;gap:20px;padding:24px;display:flex}.account-avatar{object-fit:cover;background:var(--bg);border-radius:50%;width:64px;height:64px}.account-info h2{font-size:20px;font-weight:600}.account-info p{color:var(--text-secondary);font-size:14px}.input{border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:var(--font);width:100%;color:var(--text);background:var(--surface);padding:8px 12px}.input:focus{outline:2px solid var(--accent);outline-offset:-1px}textarea.input{resize:vertical;min-height:60px}select.input{cursor:pointer}.btn-danger{background:var(--error);color:#fff;border-color:var(--error)}.btn-danger:hover{background:#b91c1c;border-color:#b91c1c}.btn-sm{padding:4px 10px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-icon{cursor:pointer;color:var(--text-tertiary);border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;padding:4px;transition:all .15s;display:inline-flex}.btn-icon:hover{color:var(--text);background:var(--bg)}.page-header-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px;display:flex}.page-header-row h1{letter-spacing:-.02em;font-size:24px;font-weight:600}.page-header-row p{color:var(--text-secondary);width:100%;margin-top:4px;font-size:15px}.toast-container{z-index:200;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{border-radius:var(--radius-sm);box-shadow:var(--shadow);pointer-events:auto;padding:12px 20px;font-size:14px;font-weight:500;animation:.25s toast-in}.toast-success{background:var(--success-light);color:var(--success);border:1px solid var(--success)}.toast-error{background:var(--error-light);color:var(--error);border:1px solid var(--error)}.toast-info{background:var(--accent-light);color:var(--accent);border:1px solid var(--accent)}@keyframes toast-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.dialog-backdrop{z-index:100;background:#0006;justify-content:center;align-items:center;animation:.15s fade-in;display:flex;position:fixed;inset:0}.dialog{background:var(--surface);border-radius:var(--radius);width:90%;max-width:480px;box-shadow:var(--shadow);padding:24px;animation:.2s dialog-in}.dialog h2{margin-bottom:8px;font-size:18px;font-weight:600}.dialog p{color:var(--text-secondary);font-size:14px;line-height:1.5}.dialog-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.dialog-form{gap:16px;margin-top:16px;display:grid}.dialog-field label{color:var(--text-secondary);margin-bottom:4px;font-size:13px;font-weight:500;display:block}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes dialog-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.file-upload{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;color:var(--text-secondary);padding:20px;font-size:14px;transition:all .15s}.file-upload:hover,.file-upload-active{border-color:var(--accent);background:var(--accent-light)}.file-upload-name{color:var(--text);margin-top:4px;font-weight:500}.search-bar{gap:12px;margin-bottom:16px;display:flex}.search-input{font-size:16px;font-family:var(--font);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);background:var(--surface);flex:1;padding:12px 16px}.search-input:focus{outline:2px solid var(--accent);outline-offset:-1px}.search-input::placeholder{color:var(--text-tertiary)}.filters-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:24px;padding:16px;display:grid}.filters-panel label{color:var(--text-secondary);margin-bottom:4px;font-size:13px;font-weight:500;display:block}.filters-panel .checkbox-label{color:var(--text);cursor:pointer;align-items:center;gap:6px;font-size:14px;display:flex}.filters-toggle{color:var(--text-secondary);cursor:pointer;font-size:13px;font-family:var(--font);background:0 0;border:none;align-items:center;gap:4px;margin-bottom:12px;padding:4px 0;display:inline-flex}.filters-toggle:hover{color:var(--accent)}.filters-section{margin-bottom:24px}.filters-section .filters-panel{margin-bottom:0}.advanced-toggle{color:var(--text-secondary);cursor:pointer;font-size:13px;font-family:var(--font);background:0 0;border:none;align-items:center;gap:6px;padding:8px 0 4px;display:inline-flex}.advanced-toggle:hover{color:var(--accent)}.advanced-active-dot{background:var(--accent);border-radius:50%;width:6px;height:6px;display:inline-block}.filters-panel-advanced{border-top:1px dashed var(--border);border-top-left-radius:0;border-top-right-radius:0;margin-top:8px}.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:flex-start;gap:16px;padding:20px;display:flex}.result-card-body{flex:1;min-width:0}.result-card-title{color:var(--text);font-size:15px;font-weight:600;line-height:1.4}.result-card-meta{color:var(--text-secondary);flex-wrap:wrap;gap:8px 16px;margin-top:6px;font-size:13px;display:flex}.result-card-authors{color:var(--text-secondary);margin-top:4px;font-size:13px}.result-card-actions{flex-direction:column;flex-shrink:0;gap:6px;display:flex}.results-list{flex-direction:column;gap:12px;display:flex}.results-count{color:var(--text-secondary);margin-bottom:16px;font-size:13px}.flex-1{flex:1}.min-w-200{min-width:200px}.align-start{align-items:flex-start}.justify-center{justify-content:center}.justify-end{justify-content:flex-end}.ml-sm{margin-left:8px}.text-primary{color:var(--text)}.text-success{color:var(--success)}.paper-title-cell{max-width:400px}.error-cell{max-width:300px}.grid-gap-sm{gap:10px}.input-sm{width:auto;padding:4px 8px;font-size:13px}.app-loading{justify-content:center;align-items:center;max-width:400px;min-height:100vh;margin:0 auto;padding:24px;display:flex}.flex-row{align-items:center;gap:8px;display:flex}.flex-row-spread{justify-content:space-between;align-items:center;display:flex}.flex-row-end{justify-content:flex-end;display:flex}.flex-col{flex-direction:column;gap:12px;display:flex}.flex-wrap{flex-wrap:wrap}.gap-6{gap:6px}.gap-10{gap:10px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-32{gap:32px}.mb-sm{margin-bottom:8px}.mb-md{margin-bottom:16px}.mb-lg{margin-bottom:24px}.mb-xl{margin-bottom:40px}.mt-sm{margin-top:8px}.mt-md{margin-top:16px}.mt-lg{margin-top:24px}.text-secondary{color:var(--text-secondary);font-size:14px;line-height:1.5}.text-small{color:var(--text-secondary);font-size:13px}.text-tertiary{color:var(--text-tertiary);font-size:13px}.text-mono-small{font-family:var(--font-mono);color:var(--text-tertiary);font-size:12px}.text-error{color:var(--error)}.field-label{color:var(--text-secondary);margin-bottom:4px;font-size:13px;font-weight:500;display:block}.section-heading{margin-bottom:16px;font-size:16px;font-weight:600}.card-flush{padding:0;overflow:hidden}.grid-gap{gap:12px;display:grid}.bordered-item{border-top:1px solid var(--border);padding-top:12px}.item-title{font-weight:600}.paper-title{color:var(--text);font-weight:500}.getting-started ol{flex-direction:column;gap:12px;margin:16px 0;padding-left:1.5em;display:flex}.getting-started li{font-size:15px;line-height:1.5}.plan-table th.featured{background:var(--accent-light);color:var(--accent)}.plan-table td.featured{background:var(--accent-light)}@media (width<=768px){.page{padding:20px 16px}nav .nav-inner{gap:16px}nav .nav-user-name{display:none}nav .nav-link{padding:6px 8px;font-size:13px}.reader-header h1{font-size:22px}.reader-content{font-size:16px}.search-bar{flex-direction:column}.filters-panel{grid-template-columns:1fr 1fr}.result-card{flex-direction:column}.page-header-row{flex-direction:column;align-items:flex-start}.workspace-tabs{overflow-x:auto}.library-list-item{flex-direction:column;align-items:flex-start}.library-list-meta{flex-direction:row;align-items:flex-start;gap:8px}.usage-bar-nav{display:none}}.load-more{justify-content:center;padding:16px;display:flex}