:root{--bg:#07111f;--surface:#0c192a;--surface-2:#102239;--line:#203651;--text:#eef6ff;--muted:#9db0c8;--blue:#4c9fff;--cyan:#32d3d8;--green:#38d996;--yellow:#ffcf5a;--red:#ff6b78;--shadow:0 24px 70px rgba(0,0,0,.28);--radius:20px}*{box-sizing:border-box}html{color-scheme:dark;scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 15% 0%,rgba(42,116,195,.18),transparent 35rem),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}.shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-60px;background:#fff;color:#07111f;padding:10px 14px;border-radius:8px;z-index:100}.skip-link:focus{top:16px}.site-header{border-bottom:1px solid 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button{border:0;border-radius:12px;background:linear-gradient(135deg,#4ca2ff,#3b7cff);color:#fff;font-weight:800;padding:0 23px;min-width:175px;cursor:pointer;transition:transform .2s,filter .2s}.url-row button:hover{filter:brightness(1.08);transform:translateY(-1px)}.url-row button:disabled{opacity:.72;cursor:wait;transform:none}.spinner{display:none;width:20px;height:20px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.is-loading .button-label{display:none}.is-loading .spinner{display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.field-help,.form-message{margin:9px 0 0;color:var(--muted);font-size:13px}.form-message:not(:empty){color:#cfe5ff}.results{padding:30px 0 80px;scroll-margin-top:90px}.results-head{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:25px}.results-head 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/* Accessible information tooltips for analysis checks */
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