:root{--bg:#eef0ec;--surface:#fff;--surface-sunken:#e7eae5;--border:#cdd3cd;--border-strong:#a6aea6;--ink:#14181a;--ink-secondary:#454f4a;--ink-tertiary:#6c756f;--ink-on-accent:#f6f7f5;--accent:#17415a;--accent-strong:#0e2c3d;--accent-soft:#dde8ed;--c-alkali-metal-bg:#f0c69a;--c-alkali-metal-fg:#7a3d0a;--c-alkaline-earth-metal-bg:#eddc8c;--c-alkaline-earth-metal-fg:#6b5308;--c-transition-metal-bg:#bfd7ec;--c-transition-metal-fg:#15426a;--c-post-transition-metal-bg:#c3e3c9;--c-post-transition-metal-fg:#1c5c31;--c-metalloid-bg:#dcc9ee;--c-metalloid-fg:#4f2c78;--c-nonmetal-bg:#bce2d3;--c-nonmetal-fg:#0e5c40;--c-halogen-bg:#f0c2b8;--c-halogen-fg:#7f2812;--c-noble-gas-bg:#c7cdec;--c-noble-gas-fg:#29337a;--c-lanthanide-bg:#e9c2dc;--c-lanthanide-fg:#711f4c;--c-actinide-bg:#e3cd9c;--c-actinide-fg:#5c3e08;--font-display:"IBM Plex Serif",Georgia,"Iowan Old Style","Palatino Linotype",serif;--font-ui:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:"IBM Plex Mono","SF Mono","Cascadia Code",Consolas,"Roboto Mono",monospace;--radius-sm:4px;--radius-md:6px;--radius-lg:10px;--shadow-sm:0 1px 3px rgba(15,20,18,.13);--shadow-md:0 8px 20px -6px rgba(15,20,18,.28);--shadow-tile:0 1px 0 rgba(15,20,18,.05),0 2px 4px rgba(15,20,18,.1);--transition-fast:150ms ease;--overlay-strong:hsla(0,0%,100%,.78);--overlay-soft:hsla(0,0%,100%,.32);--overlay-border:rgba(20,24,26,.14);--success:#1f7a30;--success-bg:#e2f2e4;--danger:#9c2c22;--danger-bg:#f5e4e2;--warning:#8a6210;--shell-max-width:1760px;--shell-pad-inline:clamp(16px,3vw,40px);--radius-xl:16px;--shadow-lg:0 24px 60px -18px rgba(15,20,18,.38);--transition-base:220ms cubic-bezier(0.22,1,0.36,1);--transition-spring:420ms cubic-bezier(0.34,1.56,0.64,1)}[data-theme=dark]{--bg:#14181a;--surface:#1c2226;--surface-sunken:#15191b;--border:#333a3e;--border-strong:#4a5257;--ink:#edf0f0;--ink-secondary:#abb3b7;--ink-tertiary:#7a8286;--ink-on-accent:#0d1416;--accent:#4fb4e8;--accent-strong:#7dcbf2;--accent-soft:#1e3a4a;--c-alkali-metal-bg:#3d2b1c;--c-alkali-metal-fg:#f0a868;--c-alkaline-earth-metal-bg:#3a331a;--c-alkaline-earth-metal-fg:#e8d26c;--c-transition-metal-bg:#1c2e3d;--c-transition-metal-fg:#82bcec;--c-post-transition-metal-bg:#1c3324;--c-post-transition-metal-fg:#7fcc93;--c-metalloid-bg:#2e2438;--c-metalloid-fg:#cba5ea;--c-nonmetal-bg:#1a332b;--c-nonmetal-fg:#6bcca8;--c-halogen-bg:#3a2320;--c-halogen-fg:#f2987f;--c-noble-gas-bg:#232640;--c-noble-gas-fg:#9fabec;--c-lanthanide-bg:#33212e;--c-lanthanide-fg:#ea98c1;--c-actinide-bg:#332a1c;--c-actinide-fg:#eabb69;--shadow-sm:0 1px 2px rgba(0,0,0,.35);--shadow-md:0 8px 22px -6px rgba(0,0,0,.55);--shadow-tile:0 1px 0 rgba(0,0,0,.2),0 1px 3px rgba(0,0,0,.3);--overlay-strong:rgba(20,24,26,.78);--overlay-soft:hsla(0,0%,100%,.05);--overlay-border:hsla(0,0%,100%,.08);--success:#4fcf65;--success-bg:#143620;--danger:#ef6b60;--danger-bg:#3a1c1a;--warning:#dcb24f}[data-tone=pinky]{--bg:#fdf1f6;--surface:#fff;--surface-sunken:#fbe6ee;--border:#f0d0de;--border-strong:#dba7c2;--accent:#c23b76;--accent-strong:#93194f;--accent-soft:#f6d9e6}[data-theme=dark][data-tone=pinky]{--bg:#1c1418;--surface:#241820;--surface-sunken:#1a1116;--border:#3a2530;--border-strong:#55323f;--accent:#ef7bb0;--accent-strong:#f6a0c7;--accent-soft:#4a2536}[data-tone=sea-blue]{--bg:#eef6f8;--surface:#fff;--surface-sunken:#e2f1f5;--border:#cde5ea;--border-strong:#9cc9d3;--accent:#0e7ea3;--accent-strong:#0a5c78;--accent-soft:#d7eef4}[data-theme=dark][data-tone=sea-blue]{--bg:#0f1a1e;--surface:#142328;--surface-sunken:#0d1619;--border:#223840;--border-strong:#33505a;--accent:#5fd0ef;--accent-strong:#93e2f7;--accent-soft:#163540}[data-tone=ocean]{--bg:#eef2f7;--surface:#fff;--surface-sunken:#e4eaf3;--border:#cdd8e8;--border-strong:#9fb2cf;--accent:#1c4f8f;--accent-strong:#123a6b;--accent-soft:#dbe6f5}[data-theme=dark][data-tone=ocean]{--bg:#0d1420;--surface:#121b2a;--surface-sunken:#0a111c;--border:#1f2c40;--border-strong:#2f4260;--accent:#6ab6f5;--accent-strong:#a4d3fb;--accent-soft:#16273f}[data-tone=lavender]{--bg:#f5f1fb;--surface:#fff;--surface-sunken:#ede5f7;--border:#ddd0ef;--border-strong:#bba3dd;--accent:#6c3fa8;--accent-strong:#4d2a7d;--accent-soft:#e8dcf7}[data-theme=dark][data-tone=lavender]{--bg:#17131e;--surface:#1e1828;--surface-sunken:#130f1a;--border:#302640;--border-strong:#453460;--accent:#b490ec;--accent-strong:#cdb1f5;--accent-soft:#2c1f42}[data-tone=mint]{--bg:#eef8f4;--surface:#fff;--surface-sunken:#e0f3ea;--border:#cbe9db;--border-strong:#98d3b8;--accent:#0f8f66;--accent-strong:#0a6b4c;--accent-soft:#d6f0e4}[data-theme=dark][data-tone=mint]{--bg:#0d1a15;--surface:#12241c;--surface-sunken:#0a1510;--border:#1e3a2c;--border-strong:#2c5540;--accent:#5fe0b3;--accent-strong:#94edcc;--accent-soft:#163d2c}[data-tone=sunset]{--bg:#fdf3ee;--surface:#fff;--surface-sunken:#fbe7dc;--border:#f3d5c3;--border-strong:#e3ae8c;--accent:#c15a2e;--accent-strong:#96411e;--accent-soft:#f8ddc9}[data-theme=dark][data-tone=sunset]{--bg:#1c1410;--surface:#251a14;--surface-sunken:#180f0b;--border:#3d2a1e;--border-strong:#59402c;--accent:#f0996a;--accent-strong:#f5b795;--accent-soft:#3f2818}*{box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}::-webkit-scrollbar{display:none;width:0;height:0}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:600}p{margin:0 0 .6em}button{font-family:inherit;cursor:pointer}ul{margin:0;padding:0}a{color:inherit}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}[hidden]{display:none!important}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.badge{display:inline-block;font-size:10.5px;letter-spacing:.02em;padding:3px 9px;border-radius:999px;border:1px solid var(--border-strong);color:var(--ink-secondary)}.info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:10px 12px;gap:10px 12px}.info-field{display:flex;flex-direction:column;gap:5px;min-width:0}.info-field-wide{grid-column:1/-1}.info-field-label{font-size:10.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-tertiary)}.info-field-value{font-family:var(--font-mono);font-size:12.5px;line-height:1.5;color:var(--ink);background:var(--surface-sunken);border:1px solid var(--border);border-radius:var(--radius-sm);padding:7px 10px;word-break:break-word;transition:border-color var(--transition-fast),background var(--transition-fast)}.info-field-value-muted{color:var(--ink-tertiary);font-style:italic;font-family:var(--font-ui)}.tone-swatch{display:inline-flex;align-items:center;gap:7px;padding:5px 12px 5px 6px;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface);color:var(--ink-secondary);font-size:12px;letter-spacing:.01em;transition:border-color var(--transition-fast),color var(--transition-fast),background var(--transition-fast)}.tone-swatch:hover{border-color:var(--accent);color:var(--ink)}.tone-swatch-dot{width:16px;height:16px;border-radius:50%;flex-shrink:0;border:1px solid rgba(0,0,0,.12);background:linear-gradient(135deg,var(--tone-dot-a),var(--tone-dot-b))}.tone-swatch-active{background:var(--accent-soft);border-color:var(--accent);color:var(--ink);font-weight:600}