:root{--sans: "Ubuntu", system-ui, -apple-system, sans-serif;--mono: "Ubuntu Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;--font-ui: "Ubuntu", system-ui, -apple-system, sans-serif;--font-jp: "Noto Sans JP", "BIZ UDPGothic", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;--bg: #101010;--bg-card: #151515;--bg-subtle: #181818;--code-bg: #1c1c1c;--text: #e5e5e5;--text-muted: #888888;--border: #262626;--border-focus: #38bdf8;--success: #22c55e;--danger: #ef4444;--accent: #38bdf8;--accent-glow: rgba(56, 189, 248, .4);--word-highlight-bg: rgba(56, 189, 248, .16);--dialogue-border: #38bdf8;--dialogue-bg: #161616;--floating-bg: #181818;--floating-border: #2e2e2e;--floating-hover: #222222}[data-theme=light]{--bg: #f7f4eb;--bg-card: #f2ece0;--bg-subtle: #efeae0;--code-bg: #ece6d8;--text: #21201c;--text-muted: #646059;--border: #dfd8c8;--border-focus: #0284c7;--success: #16a34a;--danger: #dc2626;--accent: #0284c7;--accent-glow: rgba(2, 132, 199, .28);--word-highlight-bg: rgba(2, 132, 199, .14);--dialogue-border: #0284c7;--dialogue-bg: #efe9dc;--floating-bg: #f2ece0;--floating-border: #dfd8c8;--floating-hover: #e8e2d4}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg: #f7f4eb;--bg-card: #f2ece0;--bg-subtle: #efeae0;--code-bg: #ece6d8;--text: #21201c;--text-muted: #646059;--border: #dfd8c8;--border-focus: #0284c7;--success: #16a34a;--danger: #dc2626;--accent: #0284c7;--accent-glow: rgba(2, 132, 199, .28);--word-highlight-bg: rgba(2, 132, 199, .14);--dialogue-border: #0284c7;--dialogue-bg: #efe9dc;--floating-bg: #f2ece0;--floating-border: #dfd8c8;--floating-hover: #e8e2d4}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;background-color:var(--bg);color:var(--text);font-family:var(--font-jp);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.reader-container{width:100%;max-width:48rem;margin:0 auto;padding:4.5rem 1.5rem 7rem;display:flex;flex-direction:column}.reader-content{display:flex;flex-direction:column}.jp-prose{font-family:var(--font-jp);font-weight:500;font-size:1.23rem;line-height:2.2;letter-spacing:.04em;margin:0 0 2.25rem;text-align:justify;text-justify:inter-ideograph;color:var(--text)}.jp-prose:last-child{margin-bottom:0}.word-token{display:inline;transition:color 98ms ease-in-out,background-color 98ms ease-in-out,text-shadow 98ms ease-in-out;border-radius:3px;padding:0 1px}.word-token.clickable{cursor:pointer}.word-token.clickable:hover:not(.active){background-color:#38bdf814}.word-token.active{color:var(--accent);background-color:var(--word-highlight-bg);text-shadow:0 0 10px var(--accent-glow)}ruby.jp-ruby{ruby-position:over;ruby-align:center}rt.jp-rt{font-size:.52em;line-height:1;font-weight:500;color:var(--text-muted);-webkit-user-select:none;user-select:none;transition:color 98ms ease-in-out}.word-token.active rt.jp-rt{color:var(--accent);text-shadow:0 0 6px var(--accent-glow)}.dialogue-box{margin:1.75rem 0 2.25rem;padding:.85rem 1.15rem;background-color:var(--dialogue-bg);border-left:3px solid var(--dialogue-border);border-radius:0 4px 4px 0;font-family:var(--font-jp);font-weight:500;font-size:1.17rem;line-height:1.9;color:var(--text)}.floating-audio-container{position:fixed;right:2rem;bottom:2rem;z-index:100;display:flex;align-items:center;gap:.65rem}.btn-floating-stop{background-color:var(--floating-bg);border:1px solid var(--floating-border);color:var(--text-muted);border-radius:9999px;padding:.65rem;width:2.6rem;height:2.6rem;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #00000040;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background-color .15s ease,border-color .15s ease,transform .1s ease,color .15s ease;animation:btnFadeIn .15s 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btnFadeIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.nixlabs-account-widget{position:fixed;top:1.25rem;right:1.25rem;z-index:1000;font-family:var(--sans)}.nixlabs-avatar-btn{position:relative;width:2.5rem;height:2.5rem;border-radius:9999px;background-color:var(--bg-card);border:1px solid var(--border);padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .15s ease,transform .12s ease;overflow:visible}.nixlabs-avatar-btn:hover,.nixlabs-avatar-btn.active{border-color:var(--border-focus);transform:translateY(-1px)}.nixlabs-avatar-btn.unauthenticated{color:var(--text-muted)}.nixlabs-avatar-btn.unauthenticated:hover{color:var(--text);border-color:var(--border-focus)}.nixlabs-avatar-img{width:100%;height:100%;border-radius:9999px;object-fit:cover}.nixlabs-avatar-fallback{position:absolute;font-family:var(--mono);font-weight:700;font-size:.95rem;color:var(--text);z-index:1}.nixlabs-status-dot{position:absolute;bottom:-1px;right:-1px;width:9px;height:9px;border-radius:9999px;background-color:var(--success);border:1.5px solid var(--bg);z-index:2}.nixlabs-account-card{position:absolute;top:3.25rem;right:0;width:320px;max-width:calc(100vw - 2.5rem);background-color:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 30px #00000047;padding:1rem;display:flex;flex-direction:column;gap:.75rem;animation:nixlabs-card-fade-in .15s 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var(--border);color:var(--border-focus);letter-spacing:.05em}.nixlabs-user-email{font-size:.8rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nixlabs-card-divider{height:1px;background-color:var(--border);margin:0 -1rem}.nixlabs-menu-section{display:flex;flex-direction:column;gap:.4rem}.nixlabs-section-label{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;color:var(--text-muted);font-weight:700;text-transform:uppercase;margin-bottom:.2rem}.nixlabs-action-row{display:flex;align-items:center;justify-content:space-between;padding:.35rem .5rem}.nixlabs-action-label{font-size:.82rem;color:var(--text)}.nixlabs-theme-toggle-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.25rem .55rem;font-size:.75rem;font-family:var(--mono);background-color:var(--bg-subtle);border:1px solid var(--border);color:var(--text);border-radius:6px;cursor:pointer;transition:border-color .12s ease}.nixlabs-theme-toggle-btn:hover{border-color:var(--border-focus)}.nixlabs-theme-icon{font-size:.85rem}.nixlabs-action-link{display:flex;align-items:center;justify-content:space-between;padding:.4rem .5rem;font-size:.82rem;color:var(--text);text-decoration:none;border-radius:6px;transition:background-color .12s ease}.nixlabs-action-link:hover{background-color:var(--bg-subtle)}.nixlabs-link-arrow{font-family:var(--mono);color:var(--text-muted)}.nixlabs-card-footer{margin-top:.2rem}.nixlabs-signout-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem;font-family:var(--sans);font-size:.82rem;font-weight:500;color:var(--danger);background-color:var(--bg-subtle);border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:border-color .12s ease,background-color .12s ease}.nixlabs-signout-btn:hover{border-color:var(--danger)}.nixlabs-signout-icon{font-family:var(--mono);font-size:.9rem}.nixlabs-avatar-guest{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--text-muted)}.nixlabs-signin-btn{width:100%;display:flex;align-items:center;justify-content:space-between;padding:.5rem .65rem;font-family:var(--sans);font-size:.82rem;font-weight:500;color:var(--text);background-color:var(--bg-subtle);border:1px solid var(--border-focus);border-radius:6px;cursor:pointer;text-decoration:none;transition:background-color .12s ease;box-sizing:border-box}.nixlabs-signin-btn:hover{background-color:var(--border-focus);color:var(--bg)}