:root{--v2-paper:#fafaf8;--v2-paper-warm:#f5f3ee;--v2-white:#fff;--v2-border:#ebebe8;--v2-border-soft:#f0efec;--v2-ink:#1a1a1a;--v2-ink-light:#4a4a4a;--v2-ink-muted:#6b6b6b;--v2-ink-faint:#9b9b9b;--v2-primary:#5b7cb5;--v2-primary-hover:#4a6a9e;--v2-primary-light:#eef2f8;--v2-primary-light-hover:#dee6f2;--v2-accent:#c49a40;--v2-accent-hover:#ad8730;--v2-accent-light:#fbf6ed;--v2-success:#4a9b8e;--v2-success-light:#edf5f2;--v2-fail:#c0755b;--v2-fail-hover:#ad654d;--v2-fail-light:#fbf3f0;--v2-subject-bio:#6daf6a;--v2-subject-bio-light:#edf5ed;--v2-card-concept:#4a9b8e;--v2-card-concept-light:#edf5f2;--v2-card-formula:#5b7cb5;--v2-card-formula-light:#eef2f8;--v2-card-theory:#c49a40;--v2-card-theory-light:#fbf6ed;--v2-card-event:#c0755b;--v2-card-event-light:#fbf3f0;--v2-card-process:#8b7aaa;--v2-card-process-light:#f4f2f7;--v2-process:var(--v2-card-process);--v2-process-light:var(--v2-card-process-light);--bg:var(--v2-paper);--surface:var(--v2-white);--fg:var(--v2-ink);--muted:var(--v2-ink-muted);--border:var(--v2-border);--accent:var(--v2-primary);--font-serif:"Noto Serif SC","Source Han Serif SC","STSong","Songti SC",serif;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--font-mono:"SF Mono","Fira Code","Cascadia Code","Consolas",monospace;--font-display:var(--font-serif);--font-body:var(--font-sans);--text-10:10px;--text-11:11px;--text-12:12px;--text-13:13px;--text-14:14px;--text-15:15px;--text-16:16px;--text-17:17px;--text-18:18px;--text-20:20px;--text-22:22px;--text-28:28px;--serif-ls:-0.01em;--mono-ls:0.04em;--upper-ls:0.06em;--v2-radius-sm:6px;--v2-radius-md:12px;--v2-radius-lg:16px;--v2-radius-pill:20px;--v2-shadow-card:0 0 0 1px rgba(0,0,0,.04),0 1px 3px rgba(0,0,0,.04);--v2-shadow-card-hover:0 0 0 1px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.07),0 1px 4px rgba(0,0,0,.04);--v2-shadow-elevated:0 0 0 1px rgba(0,0,0,.05),0 8px 32px rgba(0,0,0,.08),0 2px 8px rgba(0,0,0,.04);--v2-shadow-button:0 2px 8px rgba(91,124,181,.25);--v2-shadow-browser:0 4px 30px rgba(26,26,26,.14);--v2-shadow-sm:0 1px 2px rgba(0,0,0,.04);--v2-focus-ring:0 0 0 3px rgba(91,124,181,.25);--v2-focus-ring-error:0 0 0 3px rgba(192,117,91,.25);--v2-border-search:#dddbd6;--v2-ease-out:cubic-bezier(0.16,1,0.3,1);--dur-150:150ms;--dur-200:200ms;--dur-250:250ms;--dur-300:300ms;--dur-350:350ms;--dur-400:400ms;--dur-600:600ms;--dur-800:800ms;--dur-1500:1500ms;--dur-1800:1800ms;--z-base:0;--z-raised:5;--z-scroll:10;--z-handle:15;--z-overlay:20;--z-aux:25;--z-handle-on:25;--z-popup:30;--z-nav:50;--z-edit:55;--z-chapter:60;--z-main-nav:100;--z-notify:999;--z-backdrop:90;--z-dropdown:10;--z-popup-mini:12;--z-loading-overlay:15;--v2-glass-bg:hsla(60,17%,98%,.92);--v2-backdrop-bg:rgba(26,26,26,.18);--v2-boat-sail-front:#b8cae8;--v2-boat-hull:#8aa8d4;--boat-accent:var(--v2-primary);--boat-track-bg:var(--v2-primary-light);--boat-sail-main:var(--v2-primary);--boat-sail-front:var(--v2-boat-sail-front);--boat-mast:var(--v2-primary);--boat-hull:var(--v2-boat-hull);--boat-hull-line:var(--v2-primary);--boat-star:var(--v2-accent);--grid-base:4px;--grid-gutter:24px;--max-shell:1400px;--max-viewport:none;--max-modal:440px;--max-chatflow:420px;--nav-w:272px;--sidebar-w:272px;--viewport-w:var(--max-viewport);--shell-max-w:var(--max-shell);--section-y-desktop:96px;--section-y-tablet:64px;--section-y-phone:48px;--container-max:1400px;--container-gutter-desktop:36px;--container-gutter-tablet:24px;--container-gutter-phone:16px;--elev-flat:none;--elev-ring:0 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6%,transparent);--ease-standard:var(--v2-ease-out);--motion-fast:var(--dur-150);--motion-base:var(--dur-250);--radius-sm:var(--v2-radius-sm);--radius-md:var(--v2-radius-md);--radius-lg:var(--v2-radius-lg);--radius-pill:var(--v2-radius-pill);--v2-font-serif:var(--font-serif);--v2-font-sans:var(--font-sans);--v2-font-mono:var(--font-mono);--paper:var(--v2-paper);--paper-warm:var(--v2-paper-warm);--white:var(--v2-white);--ink:var(--v2-ink);--ink-light:var(--v2-ink-light);--ink-muted:var(--v2-ink-muted);--ink-faint:var(--v2-ink-faint);--r-sm:var(--v2-radius-sm);--r-md:var(--v2-radius-md);--r-lg:var(--v2-radius-lg);--shadow:var(--v2-shadow-card);--shadow-lg:var(--v2-shadow-elevated);--logo-blue:#385f9d;--logo-teal:#1a7a6a;--logo-gold:#d4a01a}.settings_settingsLayout__Maq8e{display:flex;height:100%;overflow:hidden}.settings_settingsNav__GZqiR{width:220px;flex-shrink:0;border-right:1px solid var(--v2-border);padding:var(--v2-space-10) 0;overflow-y:auto}.settings_navTitle__I_Rv3{padding:0 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var(--v2-space-8);margin-bottom:var(--v2-space-8);background:var(--v2-fail-bg);color:var(--v2-fail);border-radius:var(--v2-radius-md);font-size:var(--text-13);font-family:var(--font-body)}.settings_errorBanner__M62S2 button{background:none;border:none;color:var(--v2-fail);font-weight:var(--v2-weight-semibold);cursor:pointer;text-decoration:underline;font-size:var(--text-13)}.settings_comingSoon__C4oHx{display:inline-block;padding:var(--v2-space-1) var(--v2-space-4);border-radius:4px;font-size:var(--text-10);font-weight:var(--v2-weight-semibold);background:var(--v2-paper-warm);color:var(--v2-ink-muted);text-transform:uppercase;letter-spacing:.3px}