:root{color-scheme:light dark;--page:#f5f7fb;--surface:#fff;--ink:#16324f;--muted:#61738c;--line:#dce4ef}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;color:var(--ink);background:var(--page);font-family:Inter,"Segoe UI",Arial,sans-serif}main{min-height:100vh;min-height:100dvh}iframe{display:block;position:fixed;inset:0;width:100%;height:100%;border:0;background:var(--page)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.setup{max-width:540px;margin:48px auto;padding:30px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.eyebrow{font-size:11px;letter-spacing:.12em;color:var(--muted)}h1{font-size:25px;margin:14px 0}p{font-size:14px;line-height:1.7}.hint{color:var(--muted);font-size:12px}.help{position:fixed;bottom:14px;left:14px;z-index:5}.help>summary{width:30px;height:30px;display:grid;place-items:center;list-style:none;border:1px solid var(--line);border-radius:50%;color:var(--muted);background:var(--surface);font-size:14px;font-weight:600;cursor:pointer;opacity:.78}.help>summary::-webkit-details-marker{display:none}.help[open]>summary,.help>summary:hover{opacity:1;color:var(--ink)}.help-menu{position:absolute;bottom:40px;left:0;width:min(280px,calc(100vw - 28px));padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 8px 28px #0002}.help-menu p{margin:0 0 12px;font-size:12px;color:var(--muted)}.direct,button{display:block;width:100%;text-align:center;line-height:1.4;border:1px solid var(--line);border-radius:8px;padding:9px 12px;background:var(--surface);color:var(--ink);font:600 12px "Segoe UI",Arial,sans-serif;cursor:pointer;text-decoration:none}button{margin-top:8px}.direct:hover,button:hover{border-color:var(--muted)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #7eb3ff;outline-offset:3px}
@media(prefers-color-scheme:dark){:root{--page:#0b1322;--surface:#121e30;--ink:#e4edfa;--muted:#a2b2ca;--line:#2a3a52}}
@media(max-width:600px){.setup{margin:28px 16px;padding:22px}.help{bottom:10px;left:10px}.help>summary{width:28px;height:28px}.help-menu{width:min(260px,calc(100vw - 24px))}}

.pages-loading{position:fixed;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#f4f7fb;color:#172e48;font:14px system-ui;text-align:center;padding:24px;pointer-events:none}.pages-loading[hidden]{display:none}.pages-loading strong{font-size:20px}.pages-loading p{margin:0;color:#52647a;line-height:1.6}.pages-spinner{width:40px;height:40px;border:3px solid #d4dfe9;border-top-color:#337cce;border-radius:50%;animation:pagesSpin .9s linear infinite}@keyframes pagesSpin{to{transform:rotate(360deg)}}@media(prefers-color-scheme:dark){.pages-loading{background:#101d30;color:#e8effb}.pages-loading p{color:#b3c2d7}.pages-spinner{border-color:#30445f;border-top-color:#73b5ff}}@media(prefers-reduced-motion:reduce){.pages-spinner{animation:none}}

.pages-progress{width:min(240px,70vw);height:3px;background:var(--line);border-radius:6px;overflow:hidden;margin-top:6px}.pages-progress i{display:block;height:100%;width:35%;background:#337cce;animation:pagesProgress 1.6s ease-in-out infinite}@keyframes pagesProgress{from{transform:translateX(-110%)}to{transform:translateX(390%)}}@media(prefers-color-scheme:dark){.pages-progress i{background:#9ac0ff}}@media(prefers-reduced-motion:reduce){.pages-progress i{animation:none}}