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#18201c1f;border-radius:10px;align-items:center;gap:4px;min-width:0;padding:4px;display:inline-flex}.reader-mode-switch button,.reader-type-controls button{min-height:36px;color:var(--ink-muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:7px;justify-content:center;align-items:center;gap:6px;padding:7px 10px;font-size:.78rem;font-weight:900;display:inline-flex}.reader-mode-switch button:hover,.reader-mode-switch button:focus-visible,.reader-type-controls button:hover,.reader-type-controls button:focus-visible{background:var(--surface-subtle);color:var(--accent-strong)}.reader-mode-switch button.is-active{background:var(--ink);color:#fff;box-shadow:0 4px 12px #18201c29}.reader-type-controls{color:var(--ink-soft);padding-left:9px}.reader-type-controls button{min-width:34px;padding-inline:7px}.reader-type-controls button:disabled{cursor:not-allowed;opacity:.4}.reader-type-controls 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#18201c2e}.reader-margin-note-summary{width:100%;height:100%;color:inherit;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:7px;grid-template-rows:auto auto minmax(0,1fr);gap:6px;padding:9px 10px 10px;display:grid;overflow:hidden}.reader-margin-note-summary:hover,.reader-margin-note-summary:focus-visible{background:color-mix(in srgb, var(--reader-note-color) 7%, white)}.reader-margin-note-meta{color:var(--ink-soft);letter-spacing:.04em;text-transform:uppercase;align-items:center;gap:6px;font-size:.68rem;font-weight:900;display:flex}.reader-margin-note-dot{background:var(--reader-note-color);border-radius:999px;width:7px;height:7px}.reader-margin-note-summary q,.reader-margin-note-copy,.reader-margin-note-prompt{-webkit-box-orient:vertical;margin:0;display:-webkit-box;overflow:hidden}.reader-margin-note-summary q{color:var(--ink-muted);-webkit-line-clamp:2;font-size:.72rem;font-style:italic;font-weight:650;line-height:1.35}.reader-margin-note-summary 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span:not(.markedContent){--font-height:0;--rotate:0deg;--scale-x:1;z-index:1;font-size:calc(var(--text-scale-factor) * var(--font-height));transform:rotate(var(--rotate)) scaleX(var(--scale-x)) scale(var(--min-font-size-inv))}.reader-text-layer .markedContent{display:contents}.reader-text-layer ::selection{color:#0000;background:0 0}.reader-rendering-indicator,.reader-empty-pdf{z-index:5;color:var(--ink-muted);text-align:center;background:#ffffffd1;align-content:center;place-items:center;gap:10px;display:grid;position:absolute;inset:0}.reader-rendering-indicator svg{animation:1s linear infinite reader-spin}.reader-render-error{z-index:5;color:#92400e;pointer-events:none;background:#fffbebf0;border:1px solid #b4530940;border-radius:8px;align-items:center;gap:8px;width:max-content;max-width:calc(100% - 24px);padding:8px 10px;font-size:.78rem;font-weight:800;line-height:1.35;display:inline-flex;position:absolute;top:12px;left:50%;transform:translate(-50%);box-shadow:0 8px 22px #18201c1a}@keyframes reader-spin{to{transform:rotate(360deg)}}.reader-notes-panel{gap:14px;max-height:calc(100vh - 104px);padding:14px;display:grid;position:sticky;top:82px;overflow:auto}.reader-panel-section{gap:10px;display:grid}.reader-section-heading{color:var(--accent-strong);align-items:center;gap:8px;display:flex}.reader-section-heading h2{color:var(--ink);margin:0;font-size:1rem}.reader-textarea,.reader-note-edit{border:1px solid var(--line);background:var(--surface);width:100%;min-width:0;color:var(--ink);font:inherit;resize:vertical;border-radius:8px;outline:0;line-height:1.45}.reader-textarea{min-height:82px;padding:10px}.reader-note-edit{min-height:88px;padding:9px}.reader-textarea:focus,.reader-note-edit:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f766e1f}.reader-action-button{border-color:var(--ink);background:var(--ink);color:#fff;justify-self:stretch}.reader-action-button:hover{border-color:var(--accent-strong);background:var(--accent-strong);color:#fff}.reader-item-list{gap:8px;display:grid}.reader-saved-item{border:1px solid var(--line);background:#ffffffb8;border-radius:8px;gap:8px;padding:10px;display:grid}.reader-saved-item p,.reader-muted,.reader-message{color:var(--ink-muted);margin:0;font-size:.86rem;line-height:1.45}.reader-saved-item small{color:var(--ink-soft);line-height:1.4}.reader-item-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.reader-delete-button{justify-self:start;min-height:32px;padding:6px 9px}.reader-message{color:var(--accent-strong);background:#e8f3f1;border:1px solid #0f766e33;border-radius:8px;padding:10px;font-weight:800}.reader-sign-in-link{text-align:center;justify-self:stretch}.reader-completion{border-top:1px solid var(--line);gap:16px;width:min(760px,100%);margin:0 auto;padding:24px 4px 8px;display:grid}.reader-completion[data-placement=top]{border-top:0;border-bottom:1px solid var(--line);margin-bottom:18px;padding:20px 4px 24px}.reader-completion-copy{align-items:flex-start;gap:12px;display:flex}.reader-completion-icon{background:var(--surface-subtle);width:38px;height:38px;color:var(--ink-soft);border-radius:50%;flex:none;place-items:center;display:grid}.reader-completion[data-status=read] .reader-completion-icon{color:var(--accent-strong);background:#e5f1ee}.reader-completion strong{margin-top:1px;font-size:.96rem;display:block}.reader-completion p{color:var(--ink-muted);margin:4px 0 0;font-size:.86rem;line-height:1.45}.reader-footer-tags{flex-wrap:wrap;gap:7px;display:flex}.reader-footer-tags span{background:var(--surface-subtle);color:var(--ink-muted);border-radius:999px;padding:6px 10px;font-size:.76rem;font-weight:800}.reader-completion-actions{border-top:1px solid 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button:disabled{opacity:.6}.reader-highlight-dialog-backdrop{z-index:80;background:#18201c52;place-items:center;padding:20px;display:none;position:fixed;inset:0}.reader-highlight-dialog{background:var(--surface);border-radius:14px;gap:14px;width:min(520px,100%);padding:18px;display:grid;box-shadow:0 24px 70px #18201c3d}.reader-highlight-dialog header,.reader-highlight-dialog header>div,.reader-highlight-dialog-actions{align-items:center;display:flex}.reader-highlight-dialog header{justify-content:space-between}.reader-highlight-dialog header>div{gap:8px}.reader-highlight-dialog h2{margin:0;font-size:1rem}.reader-highlight-dialog blockquote{max-height:150px;color:var(--ink-muted);background:#fffbeb;border-left:3px solid #facc15;margin:0;padding:11px 12px;font-size:.86rem;line-height:1.5;overflow:auto}.reader-highlight-dialog label{margin-bottom:-7px;font-size:.78rem;font-weight:850}.reader-highlight-dialog textarea{border:1px solid var(--line);width:100%;min-height:112px;color:var(--ink);font:inherit;resize:vertical;border-radius:9px;outline:0;padding:11px;line-height:1.45}.reader-highlight-dialog textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0f766e1f}.reader-dialog-close,.reader-highlight-dialog-actions button{cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;gap:7px;min-height:40px;font-weight:850;display:inline-flex}.reader-dialog-close{width:40px;color:var(--ink-muted);background:0 0;padding:0}.reader-highlight-dialog-actions{justify-content:flex-end;gap:9px}.reader-highlight-dialog-actions button{padding:9px 12px}.reader-highlight-delete{color:var(--rose);background:0 0}.reader-highlight-save{background:var(--ink);color:#fff}.reader-highlight-dialog-actions button:disabled{cursor:not-allowed;opacity:.55}@media (max-width:759px){.reader-margin-note{display:none}.reader-highlight-dialog-backdrop{display:grid}}.reader-toast{z-index:90;width:min(360px,100% - 36px);position:fixed;bottom:82px;right:18px;box-shadow:0 12px 30px #18201c24}@media (max-width:920px){.auth-panel,.header-inner,.toolbar,.paper-card,.reader-layout{grid-template-columns:1fr}.reader-notes-panel{max-height:none;position:static}.header-stats{min-width:0}.paper-side{border-left:0;border-top:1px solid var(--line);grid-template-columns:1fr;padding-top:16px;padding-left:0}}@media (max-width:620px){.auth-panel,.header-inner,.reader-shell,.learn-page{width:min(100% - 28px,1180px)}.reading-step-link{grid-template-columns:auto minmax(0,1fr)}.reading-step-action{grid-column:2}.reader-pdf-scroll{min-height:60vh;padding:10px}.reader-page-frame{width:min(720px,100vw - 56px)}.auth-page{padding:32px 0}.header-stats{grid-template-columns:1fr}}.reader-related-snippets{border-top:1px solid var(--line);gap:20px;width:min(1180px,100%);margin:22px auto 0;padding-top:28px;display:grid}.reader-related-snippets>header{justify-content:space-between;align-items:end;gap:24px;display:flex}.reader-related-snippets>header>div:first-child{gap:7px;max-width:720px;display:grid}.reader-related-snippets .eyebrow{align-items:center;gap:6px;display:inline-flex}.reader-related-snippets h2,.reader-related-snippets p{margin:0}.reader-related-snippets h2{letter-spacing:-.035em;font-size:clamp(1.7rem,3.5vw,2.8rem);line-height:1}.reader-related-snippets header 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