/* Shared, high-contrast controls; keep one primary action and visible keyboard focus. */
body { font-family: Lato, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Microsoft YaHei", sans-serif; }
body { padding-top: max(4rem, calc(var(--site-header-height, 60px) + 4px)); }
main h1, main h2, main h3, main h4 { font-weight: 700; line-height: 1.3; overflow-wrap: anywhere; }
main h1 { color: #f4f7fc; font-size: clamp(1.8rem, 4vw, 2.8rem); }
main h2 { color: #f4f7fc; }
main a:not(.btn):not(.academy-entry-card):not(.academy-track-card) { text-underline-offset: .2em; }
main p a:not(.btn), main li a:not(.btn) { text-decoration: underline; }
main .account-help a { color: #ffba8e; display: inline-block; padding: .35rem 0; font-size: 1rem; }
main .account-help a:hover { color: #ffe0cc; }
main .text-danger, main .validation-message { color: #ffb7b7 !important; }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid #b8f1ff !important; outline-offset: 3px; }
.btn { min-height: 44px; padding: .65rem 1rem; font-weight: 700; white-space: normal; line-height: 1.4; }
.btn-sm { min-height: 40px; padding: .5rem .8rem; }
.btn-primary, .btn-pay-primary { color: #fff; background: #ad450e; border-color: #e3976a; }
.btn-primary:hover, .btn-pay-primary:hover { color: #fff; background: #8e3709; border-color: #ffd6bf; }
.btn-outline-info { color: #b6eeff; border-color: #6abbcf; background: #203544; }
.btn-outline-info:hover { color: #102732; background: #b6eeff; border-color: #b6eeff; }
.btn-info { color: #102732; background: #96e5fa; border-color: #96e5fa; }
main .alert[style*="#DF691A"] { color: #141923; }
.site-language-note { color: #c6d1df; border-left: 3px solid #6abbcf; padding-left: .8rem; font-size: .9rem !important; }
.btn:disabled { opacity: .65; cursor: not-allowed; }
.navbar .nav-link2 { color: #f0f4fa; font-size: .95rem; font-weight: 600; border-radius: 6px; }
.navbar .nav-link2:hover, .navbar .nav-link2.active { color: #fff; background: #3d4d60; text-decoration: none; }
.navbar .nav-link2.active { box-shadow: inset 0 -3px #96e5fa; }
.navbar .site-register { margin: .3rem .6rem; }
.navbar .navbar-nav { flex-wrap: wrap; }
.navbar .form-inline { gap: .3rem; flex-wrap: wrap; }
.site-language-picker { position: relative; color: #f1f5fa; font-size: .9rem; text-align: left; margin: .25rem .5rem; }
.site-language-picker summary { min-height: 44px; display: list-item; padding: .65rem .8rem; border: 1px solid #778da5; border-radius: 7px; cursor: pointer; background: #243448; }
.site-language-picker summary:hover { background: #3d4d60; }
.site-language-picker ul { position: absolute; right: 0; z-index: 1100; min-width: 210px; background: #192535; border: 1px solid #778da5; padding: .4rem; margin: .3rem 0; border-radius: 8px; list-style: none; box-shadow: 0 8px 28px #0008; }
.site-language-picker a { display: block; color: #f1f5fa; padding: .7rem .8rem; border-radius: 5px; min-height: 44px; }
.site-language-picker a:hover, .site-language-picker a[aria-current="true"] { background: #39566b; color: #fff; }
.api-docs-nav { gap: .7rem; padding: .65rem 0 1.1rem; }
.api-docs-nav a { font-size: 1rem; padding: .75rem 1.15rem; border: 1px solid #6abbcf; border-radius: 8px; background: #203544; color: #c4f1ff; text-decoration: none; }
.api-docs-nav .site-section-primary { color: #102732; background: #96e5fa; border-color: #96e5fa; }
.api-docs-nav a:hover { background: #b6eeff; color: #102732; }
.api-section-heading h2 { font-size: clamp(1.45rem, 3vw, 1.9rem); }
.api-result h3 { font-size: 1.3rem; }
.api-result-footer { align-items: center; }
.api-result-footer > a { display: inline-flex; align-items: center; min-height: 44px; padding: .6rem .85rem; border: 1px solid #678b9e; border-radius: 6px; background: #263d50; color: #c4f1ff; font-weight: 700; }
.api-result-footer > a:hover { background: #395a70; color: white; }
.academy-entry-card > span:last-child, .academy-track-card > span:last-child { display: block; font-weight: 700; padding-top: .75rem; color: #b6eeff; }
.academy-section h2 { font-size: clamp(1.4rem, 2.5vw, 1.75rem); }
.academy-code-bar button, .api-code-tools button { min-height: 44px; font-size: .9rem; padding: .5rem .85rem; }
.academy-product-switch a { min-height: 44px; display: inline-flex; align-items: center; padding: .65rem 1rem; }
.academy-product-switch a[aria-current="page"] { color: #102732; background: #96e5fa; border-color: #96e5fa; }
.text-muted, .subtitle { color: #b8c3d3 !important; }
@media (max-width: 1199px) { .site-language-picker ul { position: static; min-width: 0; width: 100%; } .site-language-picker { width: 100%; margin: .5rem 0; } }
@media (max-width: 620px) { .api-docs-nav a { width: 100%; } .api-filters select { height: auto; min-height: 44px; } .academy-kit-panel { flex-wrap: wrap; } }