:root{--text:#525252;--text-h:#282828;--bg:#fafafa;--card-bg:#fff;--border:#dcdcdc;--code-bg:#f2f2f2;--accent:#29a7a3;--accent-hover:#218f8b;--accent-bg:#29a7a31a;--accent-border:#29a7a366;--social-bg:#f2f2f280;--shadow:#0000000f 0 10px 15px -3px, #0000000a 0 4px 6px -2px;--sans:"Hiragino Kaku Gothic Pro", "Hiragino Sans", Meiryo, "Segoe UI", Roboto, sans-serif;--heading:"Zen Maru Gothic", var(--sans);--mono:ui-monospace, Consolas, monospace;font:17px/175% var(--sans);letter-spacing:.02em;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:15px}}@media (prefers-color-scheme:dark){:root{--text:#c8c8c8;--text-h:#fafafa;--bg:#16171d;--card-bg:#1c1d24;--border:#33343d;--code-bg:#1f2028;--accent:#5ab7a9;--accent-hover:#6fc6b8;--accent-bg:#5ab7a926;--accent-border:#5ab7a980;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}}body{margin:0}#root{box-sizing:border-box;flex-direction:column;width:100%;min-height:100svh;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:.02em;margin:0 0 16px;font-size:32px}@media (width<=1024px){h1{font-size:24px}}h2{margin:0 0 8px;font-size:20px;line-height:145%}p{margin:0}code{font-family:var(--mono);color:var(--text-h);background:var(--code-bg);border-radius:4px;padding:4px 8px;font-size:15px;line-height:135%;display:inline-flex}.page{box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;gap:24px;min-height:100svh;padding:24px;display:flex}.card{text-align:center;background:var(--card-bg);border:1px solid var(--border);border-radius:4px;width:100%;max-width:480px;padding:56px 40px}.eyebrow{color:var(--accent);letter-spacing:.12em;margin-bottom:20px;font-size:13px}.description{color:var(--text);margin-top:16px}.download-button{background:var(--accent);color:#fff;letter-spacing:.04em;cursor:pointer;font-weight:500;font:inherit;border:none;border-radius:2px;margin-top:40px;padding:15px 40px;text-decoration:none;transition:background-color .2s;display:inline-block}.download-button:hover{background:var(--accent-hover)}.download-button:disabled{opacity:.5;cursor:not-allowed}.download-button.small{white-space:nowrap;margin-top:0;padding:8px 20px;font-size:14px}.footer{letter-spacing:.1em;color:var(--text);opacity:.6;font-size:12px}.list-card{text-align:center;background:var(--card-bg);border:1px solid var(--border);border-radius:4px;width:100%;max-width:640px;padding:48px 40px}.filters{flex-wrap:wrap;justify-content:center;gap:12px;margin:24px 0 8px;display:flex}.filters select{border:1px solid var(--border);background:var(--bg);color:var(--text-h);font:inherit;border-radius:2px;padding:8px 12px}.empty{color:var(--text);margin-top:32px}.material-list{text-align:left;flex-direction:column;gap:12px;margin:24px 0 0;padding:0;list-style:none;display:flex}.material-item{border:1px solid var(--border);border-radius:4px;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;display:flex}.material-info{flex-direction:column;gap:6px;min-width:0;display:flex}.material-title{color:var(--text-h);overflow-wrap:anywhere;font-weight:500}.badges{gap:6px;display:flex}.badge{background:var(--accent-bg);color:var(--accent);border-radius:999px;padding:2px 10px;font-size:12px}.admin-page{justify-content:flex-start;padding-top:48px}.admin-card{background:var(--card-bg);border:1px solid var(--border);text-align:left;border-radius:4px;flex-direction:column;gap:40px;width:100%;max-width:720px;padding:40px;display:flex}.admin-header{justify-content:space-between;align-items:center;display:flex}.admin-user{color:var(--text);align-items:center;gap:12px;font-size:14px;display:flex}.admin-user button,.category-add button,.delete-button{border:1px solid var(--border);color:var(--text-h);cursor:pointer;font:inherit;background:0 0;border-radius:2px;padding:8px 16px}.upload-form{flex-direction:column;gap:16px;max-width:420px;display:flex}.upload-form label{color:var(--text);flex-direction:column;gap:6px;font-size:14px;display:flex}.upload-form input,.upload-form select{border:1px solid var(--border);background:var(--bg);color:var(--text-h);font:inherit;border-radius:2px;padding:10px 12px}.form-error{color:#c0392b;font-size:14px}.category-editors{flex-wrap:wrap;gap:32px;display:flex}.category-editor h3{color:var(--text-h);margin:0 0 12px;font-size:15px}.chip-list{flex-wrap:wrap;gap:8px;margin:0 0 12px;padding:0;list-style:none;display:flex}.chip{background:var(--accent-bg);color:var(--accent);border-radius:999px;align-items:center;gap:6px;padding:4px 6px 4px 12px;font-size:13px;display:flex}.chip-remove{color:inherit;cursor:pointer;background:0 0;border:none;padding:4px;font-size:14px;line-height:1}.category-add{gap:8px;display:flex}.category-add input{border:1px solid var(--border);background:var(--bg);color:var(--text-h);font:inherit;border-radius:2px;padding:8px 12px}