:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#172033;background:#f4f7fb}*{box-sizing:border-box}body{margin:0;min-width:320px;height:100vh;overflow:hidden}.auth-shell{position:relative;min-height:100vh;overflow:hidden;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,rgba(15,118,110,.16),transparent 32%),radial-gradient(circle at bottom right,rgba(37,99,235,.14),transparent 30%),linear-gradient(180deg,#eff5fb,#f7fbff 52%,#eef4fb)}.auth-backdrop{position:absolute;inset:-20%;background:radial-gradient(circle at 15% 20%,rgba(15,118,110,.12),transparent 18%),radial-gradient(circle at 78% 18%,rgba(37,99,235,.1),transparent 20%),radial-gradient(circle at 50% 82%,rgba(15,118,110,.08),transparent 22%);filter:blur(12px);pointer-events:none}.auth-card{position:relative;z-index:1;width:min(100%,460px);display:grid;gap:20px;padding:28px;border:1px solid rgba(219,227,239,.94);border-radius:24px;background:#ffffffe0;box-shadow:0 28px 70px #0f172a1f;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.auth-hero{display:grid;gap:10px}.auth-brand{justify-content:center}.auth-copy{display:grid;gap:10px;text-align:center}.auth-kicker{align-self:center;justify-self:center;padding:6px 10px;border-radius:999px;background:#e6f3f1;color:#0f766e;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.auth-copy h1{margin:0;color:#0f172a;font-size:clamp(28px,5vw,36px);line-height:1.05}.auth-copy p{margin:0;color:#475569;font-size:14px;line-height:1.55}.auth-form{display:grid;gap:14px}.auth-actions{display:flex;justify-content:flex-end}.auth-actions .primary-button{min-width:140px}.auth-loading{display:flex;align-items:center;justify-content:center;gap:10px;color:#475569;font-size:13px;font-weight:650;padding:10px 0 4px}button,input,select,textarea{font:inherit}.app-shell{height:100vh;overflow:hidden;display:grid;grid-template-columns:auto minmax(0,1fr)}.sidebar{width:300px;min-height:0;overflow:auto;display:flex;flex-direction:column;gap:14px;padding:18px;background:#fff;border-right:1px solid #dbe3ef;transition:width .18s ease,padding .18s ease}.sidebar.collapsed{width:64px;padding:16px 12px;align-items:center}.sidebar-heading,.topbar,.brand,.message,.validation,.metrics,.error-bar,.composer,.notice,.toggle{display:flex;align-items:center}.sidebar-heading{gap:8px;font-weight:700;color:#0f172a}.sidebar-heading span{min-width:0}.sidebar.collapsed .sidebar-heading span{display:none}.collapse-button{margin-left:auto;width:30px;height:30px;border:1px solid #dbe3ef;border-radius:8px;background:#fff;color:#475569;display:grid;place-items:center;cursor:pointer}.sidebar.collapsed .collapse-button{margin-left:0}.config-rail{display:flex;flex-direction:column;align-items:center;gap:18px;color:#475569;padding-top:8px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#445166}.field span{font-weight:650}.field select,.field input,.composer textarea{width:100%;border:1px solid #cdd7e6;background:#fbfdff;color:#172033;border-radius:8px;padding:10px 11px;outline:none}.field-hint{color:#64748b;font-size:11px;line-height:1.35}.field select:focus,.field input:focus,.composer textarea:focus{border-color:#0f766e;box-shadow:0 0 0 3px #0f766e1f}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.toggle{gap:8px;font-size:13px;font-weight:650}.notice{gap:8px;border-radius:8px;padding:10px;font-size:12px;line-height:1.35}.notice.warning{color:#7c2d12;background:#fff7ed;border:1px solid #fed7aa}.notice.info{color:#1d4ed8;background:#eff6ff;border:1px solid #bfdbfe}.bibliographic-card,.bibliographic-meta,.bibliographic-quality,.bibliographic-query-head,.copy-query-button{display:flex;align-items:center}.bibliographic-card{flex-direction:column;align-items:stretch;gap:14px}.bibliographic-meta,.bibliographic-quality{flex-wrap:wrap;gap:8px;font-size:12px;color:#41516b}.bibliographic-quality strong,.bibliographic-english strong,.bibliographic-instructions strong,.bibliographic-group h4{color:#0f172a}.bibliographic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bibliographic-group{display:grid;gap:10px;padding:12px;border:1px solid #dbe3ef;border-radius:12px;background:linear-gradient(180deg,#f8fbff,#eef4fb)}.bibliographic-group h4{margin:0;font-size:14px}.bibliographic-query{display:grid;gap:6px;padding:10px;border-radius:10px;background:#fff;border:1px solid #dbe3ef}.bibliographic-query-head{justify-content:space-between;gap:10px;font-size:12px}.bibliographic-query code{font-size:12px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;color:#0f172a}.copy-query-button{justify-content:center;border:1px solid #cdd7e6;background:#fff;color:#0f766e;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700;cursor:pointer}.bibliographic-english,.bibliographic-instructions{display:grid;gap:8px}.bibliographic-english ul,.bibliographic-instructions ul{margin:0;padding-left:18px;color:#334155;font-size:13px}.collection-list{display:grid;gap:6px}.check-row{display:flex;align-items:center;gap:8px;min-height:34px;border:1px solid #dbe3ef;background:#fbfdff;border-radius:8px;padding:7px 9px;color:#172033}.check-row input{width:16px;height:16px;accent-color:#0f766e}.check-row span{min-width:0;overflow-wrap:anywhere;font-size:13px}.collection-option-text{display:grid;gap:2px;min-width:0}.collection-option-text small{color:#64748b;font-size:10px;font-weight:750;letter-spacing:0}.upload-panel{display:grid;gap:8px}.upload-heading,.ingest-job-title,.ingest-job-detail,.retry-button,.upload-drop{display:flex;align-items:center}.upload-heading{gap:7px;color:#0f172a;font-size:13px;font-weight:750}.field.compact select{padding:8px 9px}.upload-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.upload-drop{min-height:54px;justify-content:center;gap:8px;min-width:0;width:100%;border:1px dashed #9fb3ca;border-radius:8px;background:#fff;color:#0f766e;font-size:13px;font-weight:750;cursor:pointer;padding:8px 10px;text-align:center}.upload-drop span{min-width:0;line-height:1.2;overflow-wrap:anywhere}.upload-drop.busy{cursor:wait;color:#475569}.upload-drop input{display:none}.modal-backdrop{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:18px;background:#0f172a5c}.upload-modal{width:min(420px,100%);display:grid;gap:12px;border:1px solid #dbe3ef;border-radius:8px;background:#fff;padding:16px;box-shadow:0 18px 45px #0f172a2e}.upload-modal-heading{display:flex;align-items:center;justify-content:space-between;color:#0f172a;font-size:14px;font-weight:800}.upload-modal-title{display:flex;align-items:center;gap:8px}.modal-close-button{width:32px;height:32px;border:1px solid #dbe3ef;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;color:#475569;background:#fff;cursor:pointer}.modal-close-button:disabled{cursor:not-allowed;opacity:.55}.upload-modal-file{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#475569;font-size:12px;font-weight:650}.upload-modal-note{color:#64748b;font-size:11px;line-height:1.35}.upload-progress-loading{display:flex;align-items:center;gap:8px;color:#475569;font-size:12px;font-weight:650}.upload-progress-card{display:grid;gap:6px;padding:9px;border:1px solid #bfdbfe;border-radius:8px;background:#fff}.upload-progress-card.failed{border-color:#fed7aa}.upload-progress-errors{display:grid;gap:4px;color:#7c2d12;font-size:11px;line-height:1.35}.upload-progress-errors span{min-width:0;overflow-wrap:anywhere}.upload-target{display:grid;gap:3px;padding:10px;border:1px solid #dbe3ef;border-radius:8px;background:#f8fbff;color:#172033}.upload-target span,.upload-target small{min-width:0;overflow-wrap:anywhere}.upload-target span{font-size:13px;font-weight:750}.upload-target small{color:#64748b;font-size:11px;font-weight:650}.modal-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}.primary-button,.secondary-button{min-height:34px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 12px;font-size:12px;font-weight:800;cursor:pointer}.primary-button{border:1px solid #0f766e;color:#fff;background:#0f766e}.secondary-button{border:1px solid #cdd7e6;color:#334155;background:#fff}.primary-button:disabled,.secondary-button:disabled{cursor:not-allowed;opacity:.55}.ingest-jobs{display:grid;gap:8px}.ingest-jobs-modal{margin-top:2px}.ingest-job{display:grid;gap:6px;padding:9px;border:1px solid #dbe3ef;border-radius:8px;background:#fff}.ingest-job.running{border-color:#bfdbfe}.ingest-job.succeeded{border-color:#bbf7d0}.ingest-job.failed{border-color:#fecaca}.ingest-job-title{justify-content:space-between;gap:8px;font-size:12px;color:#172033}.ingest-job-title span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ingest-job-title strong{flex:0 0 auto;font-size:11px;color:#475569}.progress-track{position:relative;height:7px;overflow:hidden;border-radius:999px;background:#e2e8f0}.progress-bar{display:block;height:100%;border-radius:inherit;background:#0f766e;transition:width .18s ease}.progress-bar.indeterminate{position:absolute;width:42%;animation:progress-slide 1.1s ease-in-out infinite}.ingest-job-detail{justify-content:space-between;gap:8px;color:#64748b;font-size:11px;line-height:1.3}.ingest-job-detail span{min-width:0;overflow-wrap:anywhere}.muted-line{color:#94a3b8}.retry-button{width:100%;min-height:30px;justify-content:center;gap:7px;border:1px solid #cdd7e6;border-radius:8px;background:#fff;color:#0f766e;font-size:12px;font-weight:750;cursor:pointer}.chat-area{min-width:0;min-height:0;height:100vh;display:grid;grid-template-rows:76px minmax(0,1fr) auto auto}.topbar{position:sticky;top:0;z-index:5;justify-content:center;border-bottom:1px solid #dbe3ef;background:#f8fbffdb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:0 min(3vw,24px)}.brand{flex-direction:column;justify-content:center;gap:6px;color:#0f172a;text-align:center;padding:7px 16px;max-width:calc(100% - 116px)}.logout-button{position:absolute;right:min(3vw,24px);top:50%;transform:translateY(-50%);min-height:34px;border:1px solid #cdd7e6;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 12px;color:#334155;background:#fff;font-size:12px;font-weight:800;cursor:pointer}.logout-button:disabled{cursor:not-allowed;opacity:.6}.brand-lockup{display:inline-flex;align-items:center;justify-content:center;gap:12px}.brand-title{font-size:19px;font-weight:800;line-height:1}.brand-subtitle{color:#64748b;font-size:11px;font-weight:600;line-height:1.2;max-width:min(92vw,720px)}.acro-letter{color:#0f172a;font-size:1.28em;font-weight:850}.brand-icon{width:32px;height:32px;display:block}.messages{overflow:auto;min-height:0;padding:18px min(5vw,56px);display:flex;flex-direction:column;gap:18px}.empty-state{margin:auto;text-align:center;color:#64748b}.empty-state p{margin:12px 0 0}.message{gap:12px;align-items:flex-start}.message.user{flex-direction:row-reverse}.avatar{width:34px;height:34px;border-radius:8px;background:#e6f3f1;color:#0f766e;display:grid;place-items:center;flex:0 0 auto}.message.user .avatar{background:#e8efff;color:#2563eb}.bubble{max-width:min(820px,100%);border-radius:8px;background:#fff;border:1px solid #dbe3ef;padding:14px 16px;box-shadow:0 8px 22px #0f172a0f}.message.user .bubble{background:#eef5ff}.plain-text{margin:0;white-space:pre-wrap;line-height:1.55}.markdown-body{line-height:1.6;overflow-wrap:anywhere}.markdown-body>:first-child{margin-top:0}.markdown-body>:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{color:#0f172a;line-height:1.25;margin:16px 0 8px}.markdown-body h1{font-size:20px}.markdown-body h2{font-size:18px}.markdown-body h3{font-size:16px}.markdown-body h4{font-size:14px}.markdown-body p,.markdown-body ul,.markdown-body ol,.markdown-body blockquote,.markdown-body pre,.markdown-body table{margin:10px 0}.markdown-body ul,.markdown-body ol{padding-left:22px}.markdown-body li{margin:5px 0}.markdown-body li>p{margin:4px 0}.markdown-body a{color:#0f766e;font-weight:650}.markdown-body blockquote{border-left:3px solid #94a3b8;color:#475569;padding-left:12px}.markdown-body code{border-radius:6px;background:#eef2f7;color:#0f172a;font-size:.92em;padding:2px 5px}.markdown-body pre{overflow-x:auto;border-radius:8px;background:#0f172a;color:#e2e8f0;padding:12px}.markdown-body pre code{background:transparent;color:inherit;padding:0}.markdown-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:13px}.markdown-body th,.markdown-body td{border:1px solid #dbe3ef;padding:7px 9px;text-align:left;vertical-align:top}.markdown-body th{background:#f1f5f9;color:#0f172a;font-weight:750}.bubble.muted{color:#64748b}.validation{margin-top:12px;gap:7px;font-size:12px;border-radius:8px;padding:8px 9px}.validation.ok{color:#166534;background:#f0fdf4}.validation.warn{color:#92400e;background:#fffbeb}.references{margin-top:12px;font-size:12px}.references summary{cursor:pointer;font-weight:700;color:#0f766e}.references p{margin-top:8px;color:#475569}.metrics{flex-wrap:wrap;gap:7px;margin-top:12px}.metrics span{font-size:11px;color:#475569;background:#f1f5f9;border-radius:999px;padding:4px 8px}.error-bar{gap:8px;margin:0 min(5vw,56px) 10px;color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:10px 12px}.composer{gap:10px;padding:16px min(5vw,56px) 22px;background:#f4f7fb}.composer textarea{resize:none;min-height:52px;max-height:160px}.icon-button,.send-button{border:0;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.icon-button{width:44px;height:44px;color:#475569;background:#fff;border:1px solid #dbe3ef}.send-button{gap:8px;min-width:102px;height:44px;color:#fff;background:#0f766e;font-weight:750}.send-button:disabled{cursor:not-allowed;opacity:.55}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes progress-slide{0%{transform:translate(-110%)}to{transform:translate(250%)}}@media(max-width:860px){.app-shell{grid-template-columns:1fr}.sidebar{width:100%;border-right:0;border-bottom:1px solid #dbe3ef}.sidebar.collapsed{width:100%;min-height:64px;align-items:stretch}.sidebar.collapsed .sidebar-heading{justify-content:space-between}.sidebar.collapsed .config-rail{flex-direction:row;justify-content:center}.chat-area{min-height:70vh;grid-template-rows:72px minmax(0,1fr) auto auto}.topbar{justify-content:flex-start;padding-right:96px}.topbar .brand{align-items:flex-start;text-align:left;max-width:100%;padding-left:0}.topbar .brand-subtitle{display:none}.logout-button{right:12px}.auth-shell{padding:16px}.auth-card{padding:22px 18px;border-radius:20px}}