:root{--color-brand-50:#f4faf9;--color-brand-100:#e6f2f0;--color-brand-200:#cce5e1;--color-brand-300:#99cac2;--color-brand-400:#66afa3;--color-brand-500:#4a9d90;--color-brand-600:#3d8277;--color-brand-700:#336b62;--color-brand-800:#2a564f;--color-brand-900:#22443e;--color-neutral-50:#fafafa;--color-neutral-100:#f5f5f5;--color-neutral-200:#e8e8e8;--color-neutral-300:#d4d4d4;--color-neutral-400:#a3a3a3;--color-neutral-500:#737373;--color-neutral-600:#525252;--color-neutral-700:#404040;--color-neutral-800:#181414;--color-neutral-900:#171717;--color-red-50:#fef2f2;--color-red-100:#fee2e2;--color-red-200:#fecaca;--color-red-300:#fca5a5;--color-red-400:#f87171;--color-red-500:#ef4444;--color-red-600:#dc2626;--color-red-700:#b91c1c;--color-red-800:#991b1b;--color-red-900:#7f1d1d;--color-green-50:#f0fdf4;--color-green-100:#dcfce7;--color-green-200:#bbf7d0;--color-green-300:#86efac;--color-green-400:#4ade80;--color-green-500:#22c55e;--color-green-600:#16a34a;--color-green-700:#15803d;--color-green-800:#166534;--color-green-900:#14532d;--color-blue-50:#eff6ff;--color-blue-100:#dbeafe;--color-blue-200:#bfdbfe;--color-blue-300:#93c5fd;--color-blue-400:#60a5fa;--color-blue-500:#3b82f6;--color-blue-600:#2563eb;--color-blue-700:#1d4ed8;--color-blue-800:#1e40af;--color-blue-900:#1e3a8a;--color-purple-50:#faf5ff;--color-purple-100:#f3e8ff;--color-purple-200:#e9d5ff;--color-purple-300:#d8b4fe;--color-purple-400:#c084fc;--color-purple-500:#a855f7;--color-purple-600:#9333ea;--color-purple-700:#7e22ce;--color-purple-800:#6b21a8;--color-purple-900:#581c87;--color-amber-50:#fffbeb;--color-amber-100:#fef3c7;--color-amber-200:#fde68a;--color-amber-300:#fcd34d;--color-amber-400:#fbbf24;--color-amber-500:#f59e0b;--color-amber-600:#d97706;--color-amber-700:#b45309;--color-amber-800:#92400e;--color-amber-900:#78350f;--color-teal-50:#f0fdfa;--color-teal-100:#ccfbf1;--color-teal-200:#99f6e4;--color-teal-300:#5eead4;--color-teal-400:#2dd4bf;--color-teal-500:#14b8a6;--color-teal-600:#0d9488;--color-teal-700:#0f766e;--color-teal-800:#115e59;--color-teal-900:#134e4a;--color-white-10:hsla(0,0%,100%,.1);--color-white-20:hsla(0,0%,100%,.2);--color-white-30:hsla(0,0%,100%,.3);--color-white-40:hsla(0,0%,100%,.4);--color-white-50:hsla(0,0%,100%,.5);--color-white-60:hsla(0,0%,100%,.6);--color-white-70:hsla(0,0%,100%,.7);--color-white-80:hsla(0,0%,100%,.8);--color-white-90:hsla(0,0%,100%,.9);--color-white-100:#fff;--color-black-10:rgba(0,0,0,.1);--color-black-20:rgba(0,0,0,.2);--color-black-30:rgba(0,0,0,.3);--color-black-40:rgba(0,0,0,.4);--color-black-50:rgba(0,0,0,.5);--color-black-60:rgba(0,0,0,.6);--color-black-70:rgba(0,0,0,.7);--color-black-80:rgba(0,0,0,.8);--color-black-90:rgba(0,0,0,.9);--bg-surface:#fff;--bg-main-bg:var(--bg-surface);--bg-1:var(--color-neutral-50);--bg-2:var(--color-neutral-100);--bg-3:var(--color-neutral-200);--bg-subtle:var(--bg-2);--bg-profile-card:hsla(0,0%,100%,.5);--bg-nav-write-hover:var(--color-brand-50);--bg-action-surface:var(--bg-surface);--bg-action-surface--hover:var(--color-neutral-100);--bg-action-surface--active:var(--color-neutral-200);--bg-action-primary:var(--color-brand-500);--bg-action-primary--hover:var(--color-brand-600);--bg-action-primary--active:var(--color-brand-700);--bg-action-primary--disabled:var(--color-neutral-300);--bg-translucent:hsla(0,0%,100%,.9);--bg-translucent--hover:#fff;--backdrop-blur:blur(10px) saturate(50%) brightness(1.2);--text-emphasis:var(--color-neutral-900);--text-normal:var(--color-neutral-600);--text-subtle:var(--color-neutral-500);--text-placeholder:var(--color-neutral-400);--text-brand:var(--color-brand-500);--text-on-primary:#fff;--text-on-primary-muted:hsla(0,0%,100%,.35);--border-default:var(--color-neutral-300);--border-subtle:var(--color-neutral-200);--border-focus:var(--color-brand-500);--border-emphasis:var(--color-neutral-900);--border-danger:var(--color-red-200);--color-danger:var(--color-red-600);--color-danger-bg:var(--color-red-50);--color-danger-border:var(--color-red-200);--color-success:var(--color-green-600);--color-success-bg:var(--color-green-50);--color-success-border:var(--color-green-200);--color-info:var(--color-blue-600);--color-info-bg:var(--color-blue-50);--color-info-border:var(--color-blue-200);--color-warning:var(--color-amber-600);--color-warning-bg:var(--color-amber-100);--color-warning-border:var(--color-amber-200);--color-special:var(--color-purple-600);--color-special-bg:var(--color-purple-50);--color-special-border:var(--color-purple-200);--spacing-xs:4px;--spacing-sm:8px;--spacing-sm-md:12px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--spacing-3xl:64px;--responsive-margin:32px}@media(max-width:1023px){:root{--responsive-margin:24px}}@media(max-width:767px){:root{--responsive-margin:16px}}:root{--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--radius-2xl:16px;--radius-full:9999px;--font-sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;--font-serif:"Source Serif 4","Georgia","Charter","Noto Serif","Times New Roman",serif;--font-size-2xs:11px;--font-size-xs:12px;--font-size-sm:14px;--font-size-base:16px;--font-size-lg:18px;--font-size-xl:24px;--font-size-2xl:28px;--font-size-3xl:36px;--font-size-4xl:40px}@media(max-width:767px){:root{--font-size-2xs:13px;--font-size-xs:14px}}:root{--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--letter-spacing-tight:-0.02em;--letter-spacing-normal:0;--letter-spacing-wide:0.01em;--line-height-tight:1.2;--line-height-snug:1.35;--line-height-normal:1.5;--line-height-relaxed:1.7;--line-height-prose:1.65;--line-height-loose:1.9;--shadow-xs:0 1px 2px rgba(0,0,0,.04);--shadow-sm:0 1px 4px rgba(0,0,0,.05);--shadow-md:0 2px 8px rgba(0,0,0,.06);--shadow-lg:0 4px 16px rgba(0,0,0,.08);--shadow-hover:0 4px 12px rgba(0,0,0,.06);--shadow-card:none;--shadow-card-hover:0 2px 8px rgba(0,0,0,.06);--shadow-cover:0 4px 20px rgba(0,0,0,.06);--shadow-text:0 1px 2px rgba(0,0,0,.04);--transition-fast:120ms ease;--transition-base:200ms ease;--transition-slow:300ms ease;--ease-out:cubic-bezier(0.16,1,0.3,1);--size-button-sm:28px;--size-button-md:36px;--size-button-lg:40px;--size-icon-sm:16px;--size-cover-width:150px;--size-cover-max-height:225px;--size-cover-width-mobile:60%;--z-header:50;--z-overlay:40;--z-modal:60;--z-toast:70;--z-tooltip:45;--header-height:65px;--footer-height:67px;--mobile-nav-height:56px;--site-max-width:1440px}:root[data-chapter-width=wide]{--site-max-width:1600px}@media(max-width:767px){:root{--size-button-sm:40px}}[data-theme=dark]{--color-neutral-dark-50:#e6ebea;--color-neutral-dark-100:#cdd6d4;--color-neutral-dark-200:#9fada9;--color-neutral-dark-300:#72837e;--color-neutral-dark-400:#54635f;--color-neutral-dark-500:#3f4b48;--color-neutral-dark-600:#343f3c;--color-neutral-dark-700:#2a3431;--color-neutral-dark-800:#222b28;--color-neutral-dark-900:#1a221f;--color-neutral-dark-950:#131a18;--color-neutral-dark-surface:#0b0f0e;--bg-surface:var(--color-neutral-dark-surface);--bg-main-bg:var(--color-neutral-dark-950);--bg-1:var(--color-neutral-dark-950);--bg-2:var(--color-neutral-dark-900);--bg-3:var(--color-neutral-dark-800);--bg-subtle:var(--bg-2);--bg-profile-card:rgba(0,0,0,.1);--bg-action-surface:var(--color-neutral-dark-surface);--bg-nav-write-hover:#1e2a28;--bg-action-surface--hover:var(--color-neutral-dark-900);--bg-action-surface--active:var(--color-neutral-dark-800);--bg-action-primary:var(--color-brand-400);--bg-action-primary--hover:var(--color-brand-400);--bg-action-primary--active:var(--color-brand-500);--bg-action-primary--disabled:var(--color-neutral-dark-500);--bg-translucent:rgba(0,0,0,.1);--bg-translucent--hover:hsla(0,0%,100%,.1);--backdrop-blur:blur(10px) saturate(50%) brightness(0.5);--text-emphasis:#fff;--text-normal:hsla(0,0%,100%,.9);--text-subtle:hsla(0,0%,100%,.5);--text-placeholder:var(--color-neutral-dark-500);--text-brand:#98fdec;--text-on-primary:#fff;--text-on-primary-muted:hsla(0,0%,100%,.35);--border-default:hsla(0,0%,100%,.2);--border-subtle:hsla(0,0%,100%,.1);--border-focus:var(--color-brand-400);--border-emphasis:var(--color-neutral-dark-100);--border-danger:var(--color-red-500);--color-danger:var(--color-red-400);--color-danger-bg:rgba(127,29,29,.4);--color-danger-border:var(--color-red-500);--color-success:var(--color-green-400);--color-success-bg:rgba(22,101,52,.3);--color-success-border:var(--color-green-800);--color-info:var(--color-blue-400);--color-info-bg:rgba(30,64,175,.3);--color-info-border:var(--color-blue-800);--color-warning:var(--color-amber-400);--color-warning-bg:rgba(187,149,61,.3);--color-warning-border:var(--color-amber-600);--color-special:var(--color-purple-400);--color-special-bg:rgba(168,85,247,.3);--color-special-border:var(--color-purple-800);--pill-neutral-bg:var(--color-neutral-dark-500);--pill-neutral-text:var(--text-normal);--pill-neutral-border:var(--border-subtle);--pill-green-bg:#284e40;--pill-green-text:#baf4dd;--pill-green-border:#3d5249;--pill-red-bg:#652a2a;--pill-red-text:#ffdcdc;--pill-red-border:#825252;--pill-amber-bg:#837529;--pill-amber-text:#f6e7c4;--pill-amber-border:#b59f6d;--pill-blue-bg:#375389;--pill-blue-text:#c4dcfe;--pill-blue-border:#768cb9;--pill-purple-bg:#4d317b;--pill-purple-text:#dac8f3;--pill-purple-border:#786692;--pill-teal-bg:#355651;--pill-teal-text:#c8fff0;--pill-teal-border:#659188;--shadow-xs:0 1px 2px rgba(0,255,255,.2);--shadow-sm:0 1px 4px hsla(0,0%,100%,.25);--shadow-md:0 2px 8px hsla(0,0%,100%,.3);--shadow-lg:0 4px 16px hsla(0,0%,100%,.35);--shadow-hover:0 4px 12px hsla(0,0%,100%,.3);--shadow-card:none;--shadow-card-hover:0 2px 8px hsla(0,0%,100%,.25);--shadow-cover:0 4px 24px color-mix(in srgb,var(--color-brand-400) 20%,transparent);scrollbar-color:var(--color-neutral-dark-600) transparent}@keyframes pc-undiscovered-shimmer{0%,to{background-position:0 50%}50%{background-position:100% 50%}}.card-select-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--spacing-md);padding:var(--spacing-md);border:1px solid var(--border-subtle);border-radius:var(--radius-lg)}.card-select-grid__item{position:relative;background:none;outline:2px solid transparent;border-radius:calc(var(--radius-md) + 3px);padding:2px;cursor:pointer;transition:border-color .15s ease}.card-select-grid__item--selected{outline-color:var(--bg-action-primary)}.card-select-grid__item--disabled{opacity:.4;cursor:not-allowed}.card-select-grid__check{position:absolute;top:var(--spacing-sm);right:var(--spacing-sm);width:var(--spacing-lg);height:var(--spacing-lg);border-radius:var(--radius-full);background:var(--bg-action-primary);color:var(--text-on-primary);display:flex;align-items:center;justify-content:center;z-index:3}.card-select-grid__empty{text-align:center;opacity:.5;padding:var(--spacing-md) 0}