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280px;width:280px;height:100vh;position:sticky;top:0}.pk-sidebar-inner{flex-direction:column;gap:12px;height:100%;padding:14px 12px;display:flex}.pk-sidebar-brand{border-bottom:1px solid var(--pk-border);align-items:center;padding:5px;text-decoration:none;display:inline-flex}.pk-sidebar-brand-lockup{align-items:center;gap:10px;min-width:0;display:inline-flex}.pk-sidebar-logo{height:50px}.pk-sidebar-beta-badge{border:1px solid rgb(var(--pk-accent-rgb)/.26);background:linear-gradient(135deg,var(--pk-accent),var(--pk-accent2));box-shadow:0 10px 24px rgb(var(--pk-accent-rgb)/.22),inset 0 1px 0 #ffffff42;color:var(--pk-accent-ink);letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:.34rem .72rem;font-size:.66rem;font-weight:800;line-height:1;display:inline-flex}.pk-sidebar-nav{flex-direction:column;gap:6px;padding:2px;display:flex}.pk-sidebar-link{color:#0f172ad1;letter-spacing:-.01em;border:1px solid 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0;border:none;border-radius:0;min-width:0;padding:0;position:absolute;top:calc(100% + 8px);right:0}.pk-topbar-overflow-backdrop{z-index:70;background:0 0;position:fixed;inset:0}@media (min-width:641px) and (max-width:980px){.pk-topbar-overflow{display:inline-flex}}.pk-sidebar-theme{border-top:1px solid var(--pk-border);margin:4px 4px 0;padding:8px 6px 4px;display:none}.pk-theme-switcher--mobile{justify-content:space-between;width:100%}.pk-theme-switcher--mobile .pk-theme-btn{flex:1}.pk-theme-switcher--menu{flex-direction:column;align-items:stretch;gap:0;padding:2px;display:inline-flex}.pk-theme-switcher--menu .pk-theme-btn{border-radius:999px;justify-content:center;width:34px;height:32px}@media (max-width:640px){.pk-sidebar-theme{display:block}.pk-sidebar-theme .pk-sidebar-section-label{display:none}}:root{--pk-sidebar-width:288px;--pk-rail-width:320px;--pk-card-radius:18px;--pk-card-pad:1.1rem;--pk-panel-bg:var(--pk-surface-solid);--pk-panel-border:var(--pk-border);--pk-sidebar-bg:#ffffffdb;--pk-sidebar-shadow:0 24px 60px #0f172a1f;--pk-hero-glow-1:rgb(var(--pk-accent-rgb)/.16);--pk-hero-glow-2:rgb(var(--pk-accent2-rgb)/.12);--pk-grid-line:#0f172a0a}html[data-theme=track]{--pk-sidebar-width:300px;--pk-rail-width:340px;--pk-card-radius:20px;--pk-panel-bg:#ffffffeb;--pk-sidebar-bg:#ffffffdb;--pk-grid-line:#1018280d}html[data-theme=editorial]{--pk-sidebar-width:292px;--pk-rail-width:330px;--pk-card-radius:22px;--pk-panel-bg:#fffcf8eb;--pk-sidebar-bg:#fff8f0e6;--pk-grid-line:#604a360f}body:before,body:after{content:"";pointer-events:none;z-index:-1;height:60%;position:fixed;inset:-10% -10% auto}body:before{background:radial-gradient(900px 520px at 10% 10%,var(--pk-hero-glow-1),transparent 70%),radial-gradient(900px 520px at 90% 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#0f172a29;border-radius:12px}.pk-chip,.pk-rail-chip{border-radius:999px;font-weight:700}.pk-topbar{-webkit-backdrop-filter:blur(18px)saturate(1.16);backdrop-filter:blur(18px)saturate(1.16);border-bottom:1px solid var(--pk-panel-border);background:#ffffffd1}.pk-theme-switcher{background:var(--pk-panel-bg)}.pk-home-hero{border-radius:calc(var(--pk-card-radius) + 4px);position:relative;overflow:hidden}.pk-home-hero:after{content:"";background:linear-gradient(120deg,rgb(var(--pk-accent-rgb)/.08),transparent 55%);pointer-events:none;position:absolute;inset:0}@media (max-width:1200px){.pk-content-grid{grid-template-columns:minmax(0,1fr)}.pk-right-rail{padding-right:0}}@media (max-width:900px){.pk-main-inner{border-radius:16px}}:root{--pk-radius-sm:6px;--pk-radius:8px;--pk-radius-lg:12px;--pk-card-radius:10px;--pk-card-pad:1rem;--pk-panel-bg:transparent;--pk-panel-border:transparent;--pk-sidebar-width:264px;--pk-rail-width:300px}html[data-theme=track]{--pk-card-radius:10px;--pk-bg:#f5f3ef}html[data-theme=editorial]{--pk-card-radius:12px}body:after{opacity:.3}.pk-app-shell{background:0 0}.pk-sidebar{box-shadow:none;border-right:1px solid #0f172a1f}.pk-sidebar:before{display:none}.pk-sidebar-brand{box-shadow:none}.pk-sidebar-link{border-radius:8px}.pk-sidebar-link.is-active{box-shadow:none;border-radius:8px}.pk-topbar{z-index:40;-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff;border-bottom:1px solid #0f172a1f;position:sticky;top:0}.pk-content-grid{grid-template-columns:minmax(0,1fr)minmax(260px,var(--pk-rail-width));gap:1.25rem}.pk-main-inner{box-shadow:none;background:0 0;border:none;padding:2rem 1.5rem 3rem;animation:none}.pk-card,.pk-result-card,.pk-article-card,.pk-assign-card,.pk-right-rail-card,.pk-assign-editor-pane,.pk-assign-sources{border-radius:var(--pk-card-radius);box-shadow:none;border:1px solid #0f172a1a}.pk-right-rail-card{background:#fff}.pk-btn-primary,.pk-btn-secondary{border-radius:8px}.pk-input,.pk-ai-chat-textarea,.pk-assign-title-input{border-radius:6px}.pk-chip,.pk-rail-chip{border-radius:999px}.pk-home-hero,.pk-searchchat-hero{border-radius:14px}.pk-home-hero:after{opacity:.35}.pk-right-rail{padding-right:1rem}@media (max-width:1200px){.pk-content-grid{grid-template-columns:minmax(0,1fr)}.pk-right-rail{padding-right:0}}@media (max-width:900px){.pk-main-inner{padding:1.5rem 1rem 2.5rem}}.pk-topbar-btn-plus{border-color:rgb(var(--pk-accent-rgb)/.18)!important;background:rgb(var(--pk-accent-rgb)/.1)!important;color:var(--pk-accent-ink)!important}.pk-searchchat.pk-ui-thread .pk-searchchat-center{display:none}.pk-searchchat .pk-searchchat-center.pk-leaving{animation:.26s cubic-bezier(.2,.9,.2,1) both pkHeroOut}.pk-searchchat .pk-searchchat-threadwrap.pk-entering{animation:.32s cubic-bezier(.2,.9,.2,1) both pkThreadIn}.pk-searchchat .pk-searchchat-dock.pk-entering{animation:.34s cubic-bezier(.2,.9,.2,1) both pkDockIn}.pk-search-topprogress{z-index:9999;pointer-events:none;background:linear-gradient(90deg,transparent,rgb(var(--pk-accent-rgb)/.85),transparent);background-size:200% 100%;height:2px;animation:1.05s linear infinite pkTopProgress;position:fixed;top:0;left:0;right:0}.pk-results-skeleton{flex-direction:column;gap:.55rem;margin-top:.85rem;display:flex}.pk-skel-card{border:1px solid var(--pk-border);background:#0f172a05;border-radius:14px;padding:.85rem .95rem;position:relative;overflow:hidden}.pk-skel-line{background:#0f172a1a;border-radius:9999px;height:10px;margin-top:.55rem}.pk-skel-title{width:78%;height:12px;margin-top:.2rem}.pk-skel-short{width:55%}.pk-skel-card:after{content:"";background:linear-gradient(90deg,#0000,#ffffffa6,#0000);animation:1.15s ease-in-out infinite pkShimmer;position:absolute;inset:-40% -60%;transform:translate(-55%)}@keyframes pkHeroOut{0%{opacity:1;filter:blur();transform:translateY(0)}to{opacity:0;filter:blur(2px);transform:translateY(-14px)}}@keyframes pkThreadIn{0%{opacity:0;filter:blur(2px);transform:translateY(14px)}to{opacity:1;filter:blur();transform:translateY(0)}}@keyframes pkDockIn{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes pkTopProgress{0%{opacity:.85;background-position:0 0}to{opacity:.85;background-position:200% 0}}@media (prefers-reduced-motion:reduce){.pk-search-topprogress,.pk-searchchat .pk-searchchat-center.pk-leaving,.pk-searchchat .pk-searchchat-threadwrap.pk-entering,.pk-searchchat .pk-searchchat-dock.pk-entering,.pk-skel-card:after{animation:none!important}}html[data-theme=night] body{color:var(--pk-text);background:radial-gradient(900px 520px at 12% -8%,rgb(var(--pk-accent-rgb)/.09),transparent 62%),radial-gradient(900px 520px at 90% 8%,rgb(var(--pk-accent2-rgb)/.07),transparent 60%),var(--pk-bg)}html[data-theme=night] body:before{opacity:.45}html[data-theme=night] body:after{opacity:.14}html[data-theme=night] .pk-main{background-color:#121315e6}html[data-theme=night] .pk-topbar{background:#181a1efa!important}html[data-theme=night] .pk-topbar-title{color:#eef1f6e0!important}html[data-theme=night] .pk-topbar-btn{color:var(--pk-text)!important;background:#24262beb!important;border-color:#ffffff24!important}html[data-theme=night] .pk-topbar-btn:hover{background:#2c2f35f2!important;border-color:#fff3!important}.pk-topbar-inner{grid-template-columns:auto minmax(0,1fr) auto!important}.pk-topbar-leftgroup{justify-self:start;align-items:center;gap:.55rem;min-width:0;display:inline-flex}.pk-topbar-upgrade{border:1px solid rgba(var(--pk-accent-rgb),.18);background:linear-gradient(180deg,rgba(var(--pk-accent-rgb),.12),rgba(var(--pk-accent2-rgb),.2));min-height:40px;color:var(--pk-accent-ink);font:inherit;letter-spacing:.01em;cursor:pointer;white-space:nowrap;box-shadow:0 10px 26px rgba(var(--pk-accent-rgb),.12);border-radius:999px;align-items:center;gap:.45rem;padding:.56rem .8rem;font-size:.82rem;font-weight:800;transition:transform .16s,box-shadow .16s,border-color .16s,background .16s;display:inline-flex}.pk-topbar-upgrade:hover{border-color:rgba(var(--pk-accent-rgb),.26);background:linear-gradient(180deg,rgba(var(--pk-accent-rgb),.16),rgba(var(--pk-accent2-rgb),.24));box-shadow:0 14px 30px rgba(var(--pk-accent-rgb),.16);transform:translateY(-1px)}.pk-topbar-upgrade:focus-visible{outline:3px solid rgba(var(--pk-accent-rgb),.18);outline-offset:3px}.pk-topbar-upgrade-text{line-height:1}@media (max-width:520px){.pk-topbar-upgrade{border-radius:12px;justify-content:center;width:40px;min-width:40px;padding-inline:0}.pk-topbar-upgrade-text{display:none}}html[data-theme=night] .pk-topbar-upgrade{color:#fff3e3fa;background:linear-gradient(#ffa44f29,#ff781842);border-color:#ffa44f38;box-shadow:0 12px 28px #ff781833}html[data-theme=night] .pk-topbar-upgrade:hover{background:linear-gradient(#ffb06033,#ff841852);border-color:#ffb56f57;box-shadow:0 16px 34px #ff781842}html[data-theme=night] .pk-sidebar{background:#181a1efa!important}html[data-theme=night] .pk-sidebar-link{color:#e6ebf3e0}html[data-theme=night] .pk-sidebar-beta-badge{border-color:rgb(var(--pk-accent-rgb)/.5);background:linear-gradient(135deg,rgb(var(--pk-accent-rgb)/.9),rgb(var(--pk-accent2-rgb)/.86));box-shadow:0 12px 24px #0000003d,0 0 0 1px rgb(var(--pk-accent-rgb)/.08),inset 0 1px 0 #ffffff1f;color:var(--pk-accent-ink)}html[data-theme=night] .pk-sidebar-link:hover{background:#ffffff0f}html[data-theme=night] .pk-sidebar-link.is-active{color:#fff;background:#ff80002e;border-color:#ff800066}html[data-theme=night] .pk-sidebar-group-btn{color:#e6ebf3cc}html[data-theme=night] .pk-theme-switcher{background:#24262beb;border-color:#ffffff24}html[data-theme=night] .pk-theme-btn:hover{background:#ffffff14;border-color:#ffffff2e}html[data-theme=night] .pk-card,html[data-theme=night] .pk-result-card,html[data-theme=night] .pk-article-card,html[data-theme=night] .pk-assign-card,html[data-theme=night] .pk-right-rail-card,html[data-theme=night] .pk-assign-editor-pane,html[data-theme=night] .pk-assign-sources{background:#121315e6;border-color:#ffffff1f}html[data-theme=night] .pk-right-rail-card{background:#222429f5}html[data-theme=night] .pk-home-hero,html[data-theme=night] .pk-searchchat-hero{background:linear-gradient(120deg,#ff800014,#0000 60%),#24262bf5;border:1px solid #ffffff1f}html[data-theme=night] .pk-home-hero:after{opacity:.2}html[data-theme=night] .pk-input,html[data-theme=night] .pk-ai-chat-textarea,html[data-theme=night] .pk-assign-title-input,html[data-theme=night] .pk-main input[type=text],html[data-theme=night] .pk-main input[type=email],html[data-theme=night] .pk-main input[type=password],html[data-theme=night] .pk-main input[type=search],html[data-theme=night] .pk-main textarea,html[data-theme=night] .pk-main select,html[data-theme=night] .pk-select,html[data-theme=night] .pk-search-input,html[data-theme=night] .pk-search-select,html[data-theme=night] .pk-consensus-textarea,html[data-theme=night] .pk-chipselect,html[data-theme=night] .pk-taginput{color:var(--pk-text);background:#2a2c31;border-color:#ffffff29}html[data-theme=night] .pk-main select,html[data-theme=night] .pk-select{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}html[data-theme=night] .pk-input::placeholder,html[data-theme=night] .pk-ai-chat-textarea::placeholder,html[data-theme=night] .pk-assign-title-input::placeholder,html[data-theme=night] .pk-main input::placeholder,html[data-theme=night] .pk-main textarea::placeholder{color:#f4f5f76b}html[data-theme=night] .pk-filter-panel,html[data-theme=night] .pk-filter-summaries,html[data-theme=night] .pk-filter-toggle{color:var(--pk-text);background:#24262bfa;border-color:#ffffff24}html[data-theme=night] .pk-filter-button,html[data-theme=night] .pk-btn-secondary{color:#f4f5f7eb;background:#24262be6;border-color:#ffffff2e}html[data-theme=night] .pk-filter-button:hover,html[data-theme=night] .pk-btn-secondary:hover{background:#2c2f35f2}html[data-theme=night] .pk-rail-chip,html[data-theme=night] .pk-chip,html[data-theme=night] .pk-filter-chip,html[data-theme=night] .pk-pill{color:#f4f5f7e6;background:#ffffff14;border-color:#ffffff2e}html[data-theme=night] .pk-btn-primary,html[data-theme=night] .pk-filter-apply,html[data-theme=night] .pk-ai-add-btn.is-on{background:var(--pk-accent);color:var(--pk-accent-ink);border-color:#ff800080}html[data-theme=night] .pk-btn-primary:hover,html[data-theme=night] .pk-filter-apply:hover{background:#ff8f1a}html[data-theme=night] .pk-btn-secondary,html[data-theme=night] .pk-filter-button{color:var(--pk-text)}html[data-theme=night] .pk-save-btn,html[data-theme=night] .pk-thread-menu-btn,html[data-theme=night] .pk-history-thread-cta{color:var(--pk-text);background:#ffffff14;border-color:#ffffff2e}html[data-theme=night] .pk-save-btn:hover,html[data-theme=night] .pk-thread-menu-btn:hover,html[data-theme=night] .pk-history-thread-cta:hover{background:#ffffff24}html[data-theme=night] .pk-discipline-card-cta,html[data-theme=night] .pk-right-rail-link,html[data-theme=night] .pk-account-subnav-link-active{color:var(--pk-accent)}html[data-theme=night] .pk-expand-btn,html[data-theme=night] .pk-ai-add-btn{color:#fff!important}html[data-theme=night] .pk-article-abstract-snippet{border-radius:15px;padding:5px}html[data-theme=night] .pk-account-subnav-link-active{background:#ff80001f;border-color:#ff800066}html[data-theme=night] .pk-pill.pk-pill-button:focus-visible{outline:2px solid #ff800080}html[data-theme=night] .pk-carousel-btn{color:var(--pk-text);background:#24262bf5;border-color:#fff3;box-shadow:0 10px 26px #0000008c}html[data-theme=night] .pk-carousel-btn:hover{background:#30333afa}html[data-theme=night] .pk-home-carousel-shell:before{background:linear-gradient(90deg,#1c1d20,#1c1d2000)}html[data-theme=night] .pk-home-carousel-shell:after{background:linear-gradient(270deg,#1c1d20,#1c1d2000)}html[data-theme=night] .pk-searchchat .pk-searchchat-title,html[data-theme=night] .pk-home-title,html[data-theme=night] .pk-page-title{color:var(--pk-text)}html[data-theme=night] .pk-searchchat .pk-searchchat-subtitle,html[data-theme=night] .pk-page-subtitle,html[data-theme=night] .pk-muted{color:var(--pk-muted)}html[data-theme=night] .pk-searchchat .pk-composer{background:#24262bf5;border-color:#ffffff1f;box-shadow:0 18px 50px #00000073}html[data-theme=night] .pk-searchchat .pk-composer-input.pk-composer-textarea,html[data-theme=night] .pk-searchchat .pk-composer-input,html[data-theme=night] .pk-searchchat .pk-composer-select{color:var(--pk-text);background:#2a2c31;border-color:#ffffff29}html[data-theme=night] .pk-searchchat .pk-composer-toolbar,html[data-theme=night] .pk-searchchat .pk-filter-toggle,html[data-theme=night] .pk-searchchat .pk-composer-iconbtn,html[data-theme=night] .pk-searchchat .pk-mini-chip{color:var(--pk-text);background:#ffffff0f;border-color:#ffffff24}html[data-theme=night] .pk-search-action,html[data-theme=night] .pk-tryasking-pill{color:var(--pk-text);background:#ffffff0f;border-color:#ffffff24;box-shadow:0 10px 26px #00000059}html[data-theme=night] .pk-tryasking{box-shadow:none;background:0 0;border-color:#0000}html[data-theme=night] .pk-tryasking-label{color:#e2e8f0c2}html[data-theme=night] .pk-tryasking-tabs{box-shadow:none;background:0 0;border-color:#94a3b852}html[data-theme=night] .pk-tryasking-tab{color:#cbd5e1b8}html[data-theme=night] .pk-tryasking-tab.is-active{color:var(--pk-text);border-bottom-color:#f1f5f9db}html[data-theme=night] .pk-tryasking-shuffle{color:#e2e8f0e0;background:0 0;border-color:#94a3b857}html[data-theme=night] .pk-tryasking-shuffle:hover{background:#94a3b81f}html[data-theme=night] .pk-tryasking-clear{color:#cbd5e1cc}html[data-theme=night] .pk-tryasking-clear:hover{color:var(--pk-text)}html[data-theme=night] .pk-tryasking-pill{color:#f1f5f9e6;box-shadow:none;background:0 0;border-color:#94a3b859}html[data-theme=night] .pk-tryasking-pill:hover{background:#94a3b81a;border-color:#cbd5e194}html[data-theme=night] .pk-consensus-shell{background:#181a1efa;border:1px solid #ffffff1f;box-shadow:0 18px 50px #00000073}html[data-theme=night] .pk-consensus-textarea{color:var(--pk-text)}html[data-theme=night] .pk-consensus-toolbar{border-top-color:#ffffff24}html[data-theme=night] .pk-consensus-pill,html[data-theme=night] .pk-consensus-icon{color:#f4f5f7e6;background:#ffffff12;border-color:#ffffff2e}html[data-theme=night] .pk-query-summary,html[data-theme=night] .pk-query-text{color:#f4f5f7ad}html[data-theme=night] .pk-dropdown-menu{color:var(--pk-text);background:#24262bfa;border-color:#ffffff24;box-shadow:0 28px 56px #00000073}html[data-theme=night] .pk-dropdown-option{color:#f4f5f7b3}html[data-theme=night] .pk-dropdown-option:hover{color:var(--pk-text);background:#ffffff1a}html[data-theme=night] .pk-dropdown-option.is-active{color:var(--pk-accent-ink);background:#ff8000e6;box-shadow:0 10px 24px #00000059}html[data-theme=night] .pk-searchchat .pk-composer-send,html[data-theme=night] .pk-searchchat .pk-composer-toolbar .pk-btn-primary,html[data-theme=night] .pk-searchchat .pk-send-arrow{color:var(--pk-accent-ink);background:#ff8000f2;border-color:#ff800099}html[data-theme=night] .pk-searchchat .pk-composer-toolbar .pk-btn-secondary,html[data-theme=night] .pk-searchchat .pk-filter-toggle{color:var(--pk-text);background:#ffffff14;border-color:#ffffff2e}html[data-theme=night] .pk-consensus-filter .pk-filter-label{border-bottom-color:#ffffff38}html[data-theme=night] .pk-consensus-send{color:var(--pk-accent-ink);background:#ff8000d9;border-color:#ff800080}@media (max-width:640px){html[data-theme=night] .pk-consensus-shell{min-width:100%}html[data-theme=night] .pk-consensus-toolbar{border-top-color:#ffffff1f}html[data-theme=night] .pk-consensus-pill{color:#f4f5f7f0}html[data-theme=night] .pk-dropdown.is-open .pk-consensus-pill{background:#ffffff1c}html[data-theme=night] .pk-consensus-pill,html[data-theme=night] .pk-consensus-icon{color:#f4f5f7e6;border-color:#ffffff2e;background:0 0!important}html[data-theme=night] .pk-consensus-icon{color:#f4f5f7eb;background:#ffffff12;border-color:#fff3}html[data-theme=night] .pk-consensus-send{color:#e8f6ff;background:linear-gradient(#2b8fd7,#1f6fb0);border-color:#56aaecb3}html[data-theme=night] .pk-consensus-textarea{background:0 0!important}html[data-theme=night] .pk-consensus-textarea::placeholder{color:#f4f5f78f}html[data-theme=night] .pk-consensus-fake-caret{background:#f4f5f7b3}}html[data-theme=night] .pk-inbox-table{border-color:#ffffff1f;background:#24262bf5!important}html[data-theme=night] .pk-inbox-head{color:#f4f5f799;background:#2b2d32fa;border-color:#ffffff1f}html[data-theme=night] .pk-inbox-row{background:#24262be6;border-color:#ffffff0f}@media (hover:hover) and (pointer:fine){html[data-theme=night] .pk-inbox-row:hover{background:#ffffff0a}}html[data-theme=night] .pk-inbox-link{color:var(--pk-text)}html[data-theme=night] .pk-inbox-col.journal,html[data-theme=night] .pk-inbox-col.year{color:var(--pk-muted)}html[data-theme=night] #__next>div>div>div.pk-content-grid.is-rail-hidden>main>div>div>div.pk-inbox-table-shell>div.pk-inbox-table-scroll.pk-db-scrollwrap>table>tbody>tr>td>button{color:#fff!important}html[data-theme=night] .pk-content{background:#121315e6}html[data-theme=night] .pk-dbbar{background:#24262bf0!important;border-color:#ffffff1f!important}html[data-theme=night] .pk-viewtab{color:var(--pk-text);background:#ffffff14;border-color:#ffffff2e}html[data-theme=night] .pk-viewtab.is-active{color:var(--pk-accent-ink);background:#ff8000e6;border-color:#ff800099}html[data-theme=night] .pk-dbbar .pk-btn-primary{color:var(--pk-accent-ink)!important;background:#ff8000f2!important;border-color:#ff800099!important}html[data-theme=night] .pk-dbbar .pk-btn-secondary,html[data-theme=night] .pk-dbbar .pk-btn-icon{color:var(--pk-text)!important;background:#ffffff14!important;border-color:#ffffff2e!important}html[data-theme=night] .pk-dbbar .pk-btn-secondary:hover,html[data-theme=night] .pk-dbbar .pk-btn-icon:hover{background:#ffffff24!important}html[data-theme=night] .pk-db-popover,html[data-theme=night] .pk-bulk-popover,html[data-theme=night] .pk-tag-popover{color:var(--pk-text);background:#24262bfa;border-color:#ffffff24}html[data-theme=night] .pk-db-popover-title,html[data-theme=night] .pk-tag-popover-empty,html[data-theme=night] .pk-bulk-popover-title{color:var(--pk-muted)}html[data-theme=night] .pk-db-popover-field,html[data-theme=night] .pk-tag-popover-item{color:var(--pk-text)}html[data-theme=night] .pk-tag-popover-item{background:#ffffff14;border-color:#ffffff2e}html[data-theme=night] .pk-tag-popover-item.is-active{color:var(--pk-text);background:#ff80002e;border-color:#ff800066}html[data-theme=night] .pk-filter-chip,html[data-theme=night] .pk-bulk-chip,html[data-theme=night] .pk-bulk-pill{color:var(--pk-text);background:#ffffff14;border-color:#ffffff2e}html[data-theme=night] .pk-bulkbar{background:#24262bf0;border-color:#ffffff1f;box-shadow:0 16px 40px #00000059}html[data-theme=night] .pk-bulk-muted{color:var(--pk-muted)}html[data-theme=night] .pk-journal-tab-column{background:#181a1efa;border-right-color:#ffffff1f}html[data-theme=night] .pk-journal-tab-content{background:#181a1efa}html[data-theme=night] .pk-journal-tab{color:var(--pk-text)}html[data-theme=night] .pk-journal-tab:hover{background:#ffffff14}html[data-theme=night] .pk-journal-tab-active{background:#ffffff1f;border-color:#fff3}html[data-theme=night] .pk-discipline-card{background:#24262bf5;border-color:#ffffff1f}html[data-theme=night] .pk-discipline-card-icon{background:0 0}html[data-theme=night] .pk-discipline-card-kicker,html[data-theme=night] .pk-home-discipline-label,html[data-theme=night] .pk-discipline-card-meta,html[data-theme=night] .pk-home-discipline-text,html[data-theme=night] .pk-home-tool-text{color:var(--pk-muted)}html[data-theme=night] .pk-assignment-editor,html[data-theme=night] .pk-assignment-editor-toolbar{background:#24262bf5;border-color:#ffffff1f}html[data-theme=night] .pk-editor-btn{color:var(--pk-text);background:#ffffff14;border-color:#fff3}html[data-theme=night] .pk-editor-btn.is-on{color:var(--pk-accent-ink);background:#ff8000d9;border-color:#ff800099}html[data-theme=night] .pk-assignment-editor-content blockquote{color:var(--pk-muted);border-left-color:#ffffff40}html[data-theme=night] .pk-assignment-editor-content code{color:var(--pk-text);background:#ffffff14}html[data-theme=night] .pk-ai-chat-input-row{background:#24262bf5;border-top:1px solid #ffffff1f;box-shadow:0 -16px 40px #0006}html[data-theme=night] .pk-ai-chat-input-row:before{background:linear-gradient(#24262b00,#24262bf5)}html[data-theme=night] .pk-ai-bubble-tabs{box-shadow:none;background:#ffffff14;border-color:#ffffff29}html[data-theme=night] .pk-ai-bubble-tabs>*{color:var(--pk-muted)}html[data-theme=night] .pk-ai-bubble-tabs>.is-active{color:var(--pk-text);box-shadow:none;background:#ff800033}html[data-theme=night] .pk-ai-bubble-clearchat,html[data-theme=night] .pk-ai-bubble-close{color:var(--pk-text);background:#ffffff14;border-color:#ffffff29}html[data-theme=night] .pk-ai-bubble-clearchat:hover,html[data-theme=night] .pk-ai-bubble-close:hover{background:#ffffff24}html[data-theme=night] input[type=text],html[data-theme=night] input[type=email],html[data-theme=night] input[type=password],html[data-theme=night] input[type=search],html[data-theme=night] textarea,html[data-theme=night] select,html[data-theme=night] .pk-input,html[data-theme=night] .pk-select,html[data-theme=night] .pk-db-note,html[data-theme=night] .pk-search-input,html[data-theme=night] .pk-search-select,html[data-theme=night] .pk-consensus-textarea{color:var(--pk-text)!important;box-shadow:none!important;background:#2a2b2f!important;border-color:#ffffff2e!important}html[data-theme=night] input::placeholder,html[data-theme=night] textarea::placeholder,html[data-theme=night] .pk-input::placeholder{color:#f4f5f773!important}html[data-theme=night] .pk-consensus-input>textarea{background-color:#0000!important}html[data-theme=night] .pk-ai-chat-textarea{box-shadow:none;color:var(--pk-text);background:#2a2c31;border-color:#ffffff2e}html[data-theme=night] .pk-assign-save{color:var(--pk-muted)}html[data-theme=night] .pk-assign-save.saved{color:var(--pk-accent)}html[data-theme=night] .pk-assign-delete{color:#ef4444f2;border-color:#ef444480}html[data-theme=night] .pk-empty-state{color:var(--pk-muted);background:#ffffff0a;border-color:#ffffff1f}html[data-theme=night] .pk-source-toggle{background:#ffffff14}html[data-theme=night] .pk-source-toggle button{color:var(--pk-muted)}html[data-theme=night] .pk-source-toggle button.is-active{color:var(--pk-accent-ink);box-shadow:none;background:#ff8000e6}html[data-theme=night] .pk-inbox-hscroll-sticky,html[data-theme=night] .pk-inbox-hscroll-float{background:#24262beb;border-color:#ffffff24;box-shadow:0 12px 28px #00000073}html[data-theme=night] .pk-inbox-hscroll-sticky::-webkit-scrollbar-thumb{background:#ffffff38}html[data-theme=night] .pk-inbox-hscroll-float::-webkit-scrollbar-thumb{background:#ffffff38}html[data-theme=night] .pk-discipline-grid{background:#24262bf5;border-color:#ffffff1f}html[data-theme=night] .pk-journal-tab-heading,html[data-theme=night] .pk-journal-tab-title,html[data-theme=night] .pk-journal-tab-meta,html[data-theme=night] .pk-journal-tab-content{color:var(--pk-text)}html[data-theme=night] .pk-journal-tab-meta{color:var(--pk-muted)}html[data-theme=night] .pk-ai-summary-card{background:#24262bf5;border-color:#ffffff1f}html[data-theme=night] .pk-ai-context-chip{color:#f4f5f7e6;background:#ffffff14;border-color:#ffffff38}html[data-theme=night] .pk-ai-quality-badge{color:var(--pk-text);background:#ffffff14;border-color:#ffffff38}html[data-theme=night] .pk-ai-quality-badge.is-high{color:#86efac;background:#22c55e2e;border-color:#4ade8073}html[data-theme=night] .pk-ai-quality-badge.is-medium{color:#fde68a;background:#f59e0b26;border-color:#f59e0b73}html[data-theme=night] .pk-ai-quality-badge.is-low{color:#fecaca;background:#ef444426;border-color:#f8717173}html[data-theme=night] .pk-ai-quality-summary{color:var(--pk-muted)}html[data-theme=night] .pk-ai-confidence-note{color:#d1d5db}html[data-theme=night] .pk-ai-answer-insights{background:#1e3a8a24;border-color:#60a5fa59}html[data-theme=night] .pk-ai-answer-insights>summary{color:#dbeafe}html[data-theme=night] .pk-ai-grounding-badge{color:var(--pk-text);background:#ffffff14;border-color:#ffffff38}html[data-theme=night] .pk-ai-grounding-badge.is-grounded{color:#86efac;background:#22c55e2e;border-color:#4ade8073}html[data-theme=night] .pk-ai-grounding-badge.is-corrected{color:#bfdbfe;background:#2563eb33;border-color:#60a5fa80}html[data-theme=night] .pk-ai-grounding-badge.is-limited{color:#fdba74;background:#f9731633;border-color:#fb923c80}html[data-theme=night] .pk-ai-coverage-badge{color:var(--pk-text);background:#ffffff14;border-color:#ffffff38}html[data-theme=night] .pk-ai-coverage-badge.is-adaptive{color:#bfdbfe;background:#2563eb33;border-color:#60a5fa80}html[data-theme=night] .pk-ai-coverage-badge.is-exhaustive{color:#fdba74;background:#f9731633;border-color:#fb923c80}html[data-theme=night] .pk-ai-source-coverage-badge{color:#bae6fd;background:#0284c738;border-color:#38bdf88c}html[data-theme=night] .pk-ai-source-coverage-missing{color:#fdba74}html[data-theme=night] .pk-ai-grounding-summary{color:var(--pk-muted)}html[data-theme=night] .pk-ai-citation-warning{color:#fcd34d}html[data-theme=night] .pk-ai-evidence-preview{color:var(--pk-text);background:#ffffff0f;border-left-color:#ffffff47}html[data-theme=night] .pk-ai-context-used{background:#1e3a8a33;border-color:#60a5fa59}html[data-theme=night] .pk-ai-context-used-title{color:#bfdbfe}html[data-theme=night] .pk-ai-context-used-list{color:var(--pk-text)}html[data-theme=night] .pk-ai-context-used-hint{color:#dbeafe}html[data-theme=night] .pk-citation-chip{color:#bfdbfe;background:#2563eb38;border-color:#60a5fa73}html[data-theme=night] .pk-citation-chip:hover{background:#3b82f647}html[data-theme=night] .pk-citation-chip.is-active{color:#fff;background:#3b82f6d9;border-color:#93c5fde6}html[data-theme=night] .pk-citation-panel{background:#1e3a8a33;border-color:#60a5fa59}html[data-theme=night] .pk-citation-panel-title{color:#bfdbfe}html[data-theme=night] .pk-citation-panel-source{color:var(--pk-text)}html[data-theme=night] .pk-citation-panel-meta,html[data-theme=night] .pk-citation-panel-empty{color:var(--pk-muted)}html[data-theme=night] .pk-chat-user-meta,html[data-theme=night] .pk-chat-user-q{color:var(--pk-text)}html[data-theme=night] .pk-dbbar-search{color:var(--pk-text)!important;background:#2a2b2f!important;border-color:#ffffff2e!important}html[data-theme=night] .pk-searchchat .pk-searchchat-hero{box-shadow:none;background:0 0;border:none}html[data-theme=night] .pk-searchchat .pk-searchchat-center{background:0 0}html[data-theme=night] body{background:var(--pk-bg)!important}html[data-theme=night] body:before,html[data-theme=night] body:after,html[data-theme=night] .pk-sidebar:before{display:none}html[data-theme=night] .pk-sidebar-group-btn{color:var(--pk-text);background:#ffffff0f;border:1px solid #ffffff24}html[data-theme=night] .pk-sidebar-group-btn:hover{background:#ffffff1a}html[data-theme=night] .pk-sidebar .pk-input,html[data-theme=night] .pk-sidebar input,html[data-theme=night] .pk-sidebar select{color:var(--pk-text);background:#2a2b2f;border-color:#ffffff2e}html[data-theme=night] .pk-right-rail{background:0 0}html[data-theme=night] .pk-right-rail-card{background:#24262bf5;border-color:#ffffff1f}html[data-theme=night] .pk-right-rail-link{color:var(--pk-text);background:#ffffff14;border-color:#ffffff29}html[data-theme=night] .pk-right-rail-link:hover{background:#ffffff24}.pk-ai-bubble{min-height:52px;left:var(--pk-ai-bubble-left,50%)!important;right:auto!important;bottom:var(--pk-ai-bubble-bottom,calc(env(safe-area-inset-bottom) + 20px))!important;transform:var(--pk-ai-bubble-transform,translateX(-50%))!important;color:#ffebdaeb!important;background:linear-gradient(135deg,#120903 0%,#2a1206 50%,#33150a 100%)!important;border:1px solid #ff79008c!important;border-radius:999px!important;gap:.65rem!important;padding:.64rem 1rem!important}.pk-ai-bubble-icon{justify-content:center;align-items:center;display:inline-flex;color:#1f0c05!important;background:radial-gradient(circle at 30% 30%,#ffb15c,#ff7a18)!important;border-radius:999px!important;width:30px!important;height:30px!important}.pk-ai-bubble-label{color:#ffebdae6!important;font-size:.95rem!important;font-weight:750!important}.pk-ai-bubble-count{color:#ffe9d7!important;min-width:24px!important;height:24px!important;box-shadow:none!important;background:#ff914247!important;border-radius:999px!important}@media (hover:hover) and (pointer:fine){.pk-ai-bubble:hover{transform:var(--pk-ai-bubble-hover-transform,translateX(-50%)translateY(-1px))!important;box-shadow:0 20px 42px #310f038f,0 0 28px #ff7a1870!important}}@media (max-width:900px){.pk-ai-bubble{left:auto!important;right:14px!important;transform:none!important}.pk-ai-bubble:hover{transform:translateY(-1px)!important}}html[data-theme=night] .pk-ai-bubble{background:#24262bf5;border-color:#ffffff29;box-shadow:0 12px 28px #00000073}.pk-ai-add-btn,.pk-article-card .pk-ai-add-btn{color:#ffebdaeb!important;background:linear-gradient(135deg,#120903 0%,#2a1206 50%,#33150a 100%)!important;border:1px solid #ff79008c!important;border-radius:999px!important;font-weight:750!important}@media (hover:hover) and (pointer:fine){.pk-ai-add-btn:hover,.pk-article-card .pk-ai-add-btn:hover{box-shadow:none!important;background:linear-gradient(135deg,#1b0d04 0%,#341607 50%,#3d190c 100%)!important;border-color:#ff9142b8!important}}.pk-ai-add-btn.is-on,.pk-article-card .pk-ai-add-btn.is-on{color:#fff1e3!important;box-shadow:none!important;background:linear-gradient(135deg,#1b0d04 0%,#341607 50%,#3d190c 100%)!important;border-color:#ffb15cd1!important}.pk-ai-add-btn:disabled,.pk-article-card .pk-ai-add-btn:disabled,.pk-ai-add-btn.is-locked{opacity:.78}html[data-theme=night] .pk-ai-add-btn,html[data-theme=night] .pk-article-card .pk-ai-add-btn{color:#ffebdaeb!important;box-shadow:none!important;background:linear-gradient(135deg,#120903 0%,#2a1206 50%,#33150a 100%)!important;border-color:#ff79008c!important}@media (hover:hover) and (pointer:fine){html[data-theme=night] .pk-ai-add-btn:hover,html[data-theme=night] .pk-article-card .pk-ai-add-btn:hover{box-shadow:none!important;background:linear-gradient(135deg,#1b0d04 0%,#341607 50%,#3d190c 100%)!important;border-color:#ff9142b8!important}}html[data-theme=night] .pk-ai-add-btn.is-on,html[data-theme=night] .pk-article-card .pk-ai-add-btn.is-on{color:#fff1e3!important;box-shadow:none!important;background:linear-gradient(135deg,#1b0d04 0%,#341607 50%,#3d190c 100%)!important;border-color:#ffb15cd1!important}html[data-theme=night] .pk-ai-bubble-panel{background:#24262bf5;border:1px solid #ffffff1f;box-shadow:0 28px 70px #0009}html[data-theme=night] .pk-ai-bubble-panel-header,html[data-theme=night] .pk-ai-bubble-panel-body,html[data-theme=night] .pk-ai-bubble-panel-footer{background:#24262bf5}html[data-theme=night] .pk-ai-bubble-panel-header:before{background:#ffffff38}html[data-theme=night] 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