:root[data-theme="light"] {
  --bg-main: #f5f2eb; --bg-surface: #d0c8c0; --text-main: #181b1d;
  --text-muted: #777673; --primary: #c97d53; --primary-accent: #d59f7f;
  --border-color: #e0bba3; --dark-element: #353535;
}
:root[data-theme="dark"] {
  --bg-main: #1a1a1a; --bg-surface: #38291f; --text-main: #f5f5f5;
  --text-muted: #adadad; --primary: #e47428; --primary-accent: #ba6125;
  --border-color: #5f5f5f; --dark-element: #834821;
}
* { box-sizing: border-box; }
html { background: var(--bg-main); color: var(--text-main); }
body { margin: 0; min-width: 320px; background: var(--bg-main); color: var(--text-main); font-family: Arial, sans-serif; line-height: 1.6; }
a { color: inherit; }
.kh-container { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.kh-navbar { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--border-color); background: color-mix(in srgb, var(--bg-main) 88%, transparent); backdrop-filter: blur(8px); }
.kh-navbar__inner { min-height: 70px; display: flex; align-items: center; gap: 24px; }
.kh-brand, .kh-footer__brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 700; }
.kh-brand img { display: block; width: 116px; max-height: 38px; object-fit: contain; }
.kh-brand__code { color: var(--primary); letter-spacing: .12em; font-size: .75rem; }
.kh-navlinks { display: flex; align-items: center; justify-content: center; gap: 22px; flex: 1; }
.kh-navlinks a, .kh-language, .kh-footer__links a { color: var(--text-muted); text-decoration: none; font-size: .9rem; }
.kh-navlinks a:hover, .kh-navlinks a.is-active, .kh-footer__links a:hover { color: var(--primary); }
.kh-controls { display: flex; align-items: center; gap: 8px; }
.kh-language-form { margin: 0; }
.kh-icon-button, .kh-language { border: 1px solid var(--border-color); background: transparent; color: var(--text-main); padding: 6px 9px; border-radius: 4px; cursor: pointer; }
.kh-language { font-size: .75rem; }
.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; }
.kh-main { min-height: calc(100vh - 180px); }
.kh-error { padding: 72px 0; }
.kh-error-card, .kh-settings-card { max-width: 720px; margin: 0 auto; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); padding: 28px; }
.kh-error-card h1, .kh-settings-card h2 { margin-top: 8px; }
.kh-error-explanation { margin: 20px 0; border-inline-start: 3px solid var(--primary); padding: 14px 16px; background: color-mix(in srgb, var(--bg-main) 70%, transparent); color: var(--text-muted); }
.kh-settings { padding: 56px 0; }
.kh-settings-status { color: var(--primary); font-weight: 700; }
.kh-hero { width: min(820px, calc(100% - 32px)); margin: 0 auto; padding: 92px 0 72px; text-align: center; }
.kh-hero__symbol { width: 112px; height: 112px; object-fit: contain; animation: kh-fade-pulse 3.2s ease-out both; }
.kh-hero h1 { margin: 22px 0 8px; font-size: clamp(2.4rem, 7vw, 4.6rem); letter-spacing: .08em; line-height: 1.1; }
.kh-hero p { margin: 0 auto 28px; color: var(--text-muted); font-size: clamp(1rem, 2vw, 1.25rem); }
.kh-hero__actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.kh-button { display: inline-flex; gap: 10px; align-items: center; padding: 10px 16px; border: 1px solid var(--border-color); border-radius: 4px; text-decoration: none; font-size: .92rem; }
.kh-button--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.kh-button--secondary { color: var(--text-main); }
.kh-button:hover { border-color: var(--primary); }
.kh-activity { padding-bottom: 20px; }
.kh-activity h2 { margin: 0 0 16px; font-size: 1.25rem; }
.kh-activity__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.kh-card { min-height: 170px; padding: 22px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); }
.kh-card__label { color: var(--text-muted); font-size: .78rem; }
.kh-card h3 { margin: 16px 0 4px; font-size: 1.2rem; }
.kh-card p { margin: 0 0 14px; color: var(--text-muted); font-size: .9rem; }
.kh-card a { color: var(--primary); text-decoration: none; font-size: .86rem; }
.kh-apps, .kh-app-page { padding: 56px 0 24px; }
.kh-page-header { max-width: 760px; margin-bottom: 30px; }
.kh-page-header h1 { margin: 10px 0 8px; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.15; }
.kh-page-header p { margin: 0; color: var(--text-muted); }
.kh-app-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kh-app-card { display: flex; min-height: 250px; flex-direction: column; align-items: flex-start; gap: 10px; padding: 20px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); }
.kh-app-card h2 { margin: 0; font-size: 1.25rem; }
.kh-app-card p { flex: 1; margin: 0; color: var(--text-muted); font-size: .92rem; }
.kh-app-version { display: inline-block; color: var(--primary); font-size: .82rem; }
.kh-empty { color: var(--text-muted); }
.kh-blog { padding: 56px 0 24px; }
.kh-blog-search { display: flex; max-width: 680px; gap: 8px; margin-top: 22px; }
.kh-blog-search input { flex: 1; min-width: 0; border: 1px solid var(--border-color); border-radius: 4px; background: var(--bg-surface); color: var(--text-main); padding: 10px 12px; font: inherit; }
.kh-blog-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; border-bottom: 1px solid var(--border-color); padding-bottom: 12px; }
.kh-blog-filters a, .kh-blog-tags a { border: 1px solid var(--border-color); border-radius: 4px; color: var(--text-muted); padding: 6px 9px; text-decoration: none; font-size: .82rem; }
.kh-blog-filters a:hover, .kh-blog-filters a.is-active, .kh-blog-tags a:hover { border-color: var(--primary); color: var(--primary); }
.kh-blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kh-blog-card { display: flex; min-height: 260px; flex-direction: column; padding: 20px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); }
.kh-blog-card__top, .kh-blog-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--text-muted); font-size: .8rem; }
.kh-blog-badge { color: var(--primary); font-size: .78rem; }
.kh-blog-card h2 { margin: 16px 0 8px; font-size: 1.2rem; line-height: 1.45; }
.kh-blog-card h2 a { color: var(--text-main); text-decoration: none; }
.kh-blog-card h2 a:hover { color: var(--primary); }
.kh-blog-card p { flex: 1; margin: 0 0 18px; color: var(--text-muted); }
.kh-blog-meta { margin-top: auto; }
.kh-blog-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.kh-blog-more { margin-top: 24px; text-align: center; }
.kh-blog-empty { grid-column: 1 / -1; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); padding: 48px 20px; text-align: center; }
.kh-article { padding: 56px 0 24px; }
.kh-article__header { max-width: 820px; border-bottom: 1px solid var(--border-color); padding-bottom: 24px; }
.kh-article__back { display: inline-block; margin-bottom: 22px; color: var(--primary); text-decoration: none; }
.kh-article__header h1 { margin: 12px 0; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.2; }
.kh-article__excerpt { color: var(--text-muted); font-size: 1.1rem; }
.kh-article__image { display: block; width: min(100%, 900px); max-height: 480px; margin: 28px 0; border: 1px solid var(--border-color); border-radius: 6px; object-fit: cover; }
.kh-article__content { max-width: 820px; padding-top: 12px; color: var(--text-main); font-size: 1.08rem; line-height: 1.95; }
.kh-article__content h1, .kh-article__content h2, .kh-article__content h3, .kh-article__content h4 { margin: 2.2em 0 .65em; line-height: 1.35; }
.kh-article__content p, .kh-article__content ul, .kh-article__content ol, .kh-article__content blockquote { margin: 0 0 1.2em; }
.kh-article__content a { color: var(--primary); }
.kh-article__content blockquote { border-inline-start: 3px solid var(--primary); padding-inline-start: 16px; color: var(--text-muted); }
.kh-article__content pre { overflow-x: auto; border: 1px solid var(--border-color); border-radius: 4px; background: var(--bg-surface); padding: 16px; font-size: .9rem; }
.kh-article__content code { border: 1px solid var(--border-color); border-radius: 3px; background: var(--bg-surface); padding: 2px 4px; font-size: .9em; }
.kh-article__content pre code { border: 0; padding: 0; }
.kh-article__content img { max-width: 100%; border: 1px solid var(--border-color); border-radius: 4px; }
.kh-article__content table { width: 100%; border-collapse: collapse; margin-bottom: 1.2em; }
.kh-article__content th, .kh-article__content td { border: 1px solid var(--border-color); padding: 8px; text-align: start; }
.kh-article__footer { max-width: 820px; border-top: 1px solid var(--border-color); margin-top: 30px; padding-top: 18px; }
.kh-plans, .kh-checkout { padding: 56px 0 24px; }
.kh-plans-grid, .kh-plan-matrix { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kh-plan-app-card, .kh-plan-card, .kh-checkout-alert, .kh-order-summary { border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); padding: 20px; }
.kh-plan-app-card { display: flex; min-height: 190px; flex-direction: column; gap: 10px; }
.kh-plan-app-card h2, .kh-plan-card h2 { margin: 0; }
.kh-plan-app-card p { flex: 1; color: var(--text-muted); }
.kh-plan-matrix { align-items: stretch; }
.kh-plan-card { display: flex; flex-direction: column; }
.kh-plan-price { margin: 16px 0; color: var(--primary); font-size: 1.7rem; font-weight: 700; }
.kh-plan-price small { color: var(--text-muted); font-size: .8rem; font-weight: 400; }
.kh-plan-card ul, .kh-order-summary ul { flex: 1; margin: 0 0 20px; padding-inline-start: 20px; color: var(--text-muted); }
.kh-plan-card li, .kh-order-summary li { margin-bottom: 7px; }
.kh-checkout-alert { max-width: 720px; border-color: var(--primary); }
.kh-checkout-alert h2, .kh-order-summary h2 { margin-top: 0; }
.kh-checkout-alert p, .kh-order-summary p { color: var(--text-muted); }
.kh-order-summary { max-width: 720px; }
.bareeed p { color: var(--text-muted); }
.kh-notices { padding-top: 16px; }
.kh-notice { border: 1px solid var(--border-color); border-radius: 4px; padding: 10px 14px; color: var(--text-main); background: var(--bg-surface); }
.kh-sug { padding: 56px 0 24px; }
.kh-status-tabs { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid var(--border-color); padding-bottom: 12px; margin-bottom: 18px; }
.kh-status-tabs a { padding: 7px 10px; color: var(--text-muted); text-decoration: none; border: 1px solid transparent; border-radius: 4px; }
.kh-status-tabs a:hover, .kh-status-tabs a.is-active { color: var(--primary); border-color: var(--border-color); }
.kh-sug-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kh-sug-card { min-height: 220px; display: flex; flex-direction: column; padding: 18px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); }
.kh-sug-card__meta, .kh-sug-card footer { display: flex; justify-content: space-between; gap: 12px; color: var(--text-muted); font-size: .8rem; }
.kh-sug-card h2 { margin: 14px 0 8px; font-size: 1.15rem; }
.kh-sug-card h2 a, .kh-sug-card footer a { color: var(--primary); text-decoration: none; }
.kh-sug-card p { flex: 1; margin: 0 0 16px; color: var(--text-muted); }
.kh-sug-form { max-width: 700px; display: grid; gap: 8px; }
.kh-sug-form label { margin-top: 10px; font-weight: 700; }
.kh-sug-form input, .kh-sug-form select, .kh-sug-form textarea { width: 100%; border: 1px solid var(--border-color); border-radius: 4px; background: var(--bg-surface); color: var(--text-main); padding: 10px; font: inherit; }
.kh-form-error { color: var(--primary); }
.kh-response { max-width: 820px; margin-top: 24px; border: 1px solid var(--border-color); border-radius: 6px; padding: 18px; background: var(--bg-surface); }
.kh-response h2 { margin-top: 0; }
.kh-vote-form { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 24px; color: var(--text-muted); }
.kh-policy { padding: 56px 0 24px; }
.kh-policy-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kh-policy-card { display: flex; min-height: 250px; flex-direction: column; gap: 10px; padding: 20px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); }
.kh-policy-card__top, .kh-policy-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.kh-policy-badge, .kh-policy-version { color: var(--primary); font-size: .78rem; }
.kh-policy-version { color: var(--text-muted); }
.kh-policy-card h2 { margin: 4px 0 0; font-size: 1.2rem; }
.kh-policy-card p { flex: 1; margin: 0; color: var(--text-muted); font-size: .9rem; }
.kh-policy-card small { color: var(--text-muted); }
.kh-policy-document__header { max-width: 820px; border-bottom: 1px solid var(--border-color); padding: 56px 0 24px; }
.kh-policy-document__header h1 { margin: 12px 0 8px; font-size: clamp(2rem, 5vw, 3.2rem); }
.kh-policy-document__header p { margin: 0 0 18px; color: var(--text-muted); }
.kh-policy-meta { justify-content: flex-start; color: var(--text-muted); font-size: .84rem; }
.kh-policy-document__actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 28px; }
.kh-policy-content { max-width: 820px; }
.kh-app-actions, .kh-app-subnav { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 34px; }
.kh-app-subnav { border-top: 1px solid var(--border-color); padding-top: 18px; }
.kh-app-subnav a { color: var(--primary); text-decoration: none; }
.kh-document { max-width: 820px; border-top: 1px solid var(--border-color); padding-top: 24px; }
.kh-document h2 { margin-top: 0; font-size: 1.35rem; }
.kh-document__body { color: var(--text-muted); line-height: 1.9; }
.kh-timeline { max-width: 820px; border-inline-start: 1px solid var(--border-color); padding-inline-start: 22px; }
.kh-timeline__item { position: relative; margin-bottom: 22px; padding: 18px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); }
.kh-timeline__item::before { position: absolute; content: ""; width: 8px; height: 8px; border: 1px solid var(--primary); border-radius: 50%; background: var(--bg-main); inset-inline-start: -27px; top: 22px; }
.kh-timeline__meta { display: flex; justify-content: space-between; gap: 16px; color: var(--primary); }
.kh-timeline__meta time { color: var(--text-muted); font-size: .82rem; }
.kh-timeline__item p { margin-bottom: 0; color: var(--text-muted); }
.kh-info { padding: 56px 0 24px; }
.kh-info__hero { max-width: 780px; margin-bottom: 44px; }
.kh-info__eyebrow { color: var(--primary); font-size: .8rem; letter-spacing: .08em; }
.kh-info__hero h1 { margin: 10px 0; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.15; }
.kh-info__hero p { max-width: 720px; margin: 0; color: var(--text-muted); font-size: 1.08rem; }
.kh-info__section-title { margin: 42px 0 16px; font-size: 1.35rem; }
.kh-pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kh-pillar, .kh-manifesto details, .kh-founder { border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-surface); }
.kh-pillar { padding: 18px; }
.kh-pillar h3 { margin: 0 0 8px; font-size: 1rem; }
.kh-pillar p { margin: 0; color: var(--text-muted); font-size: .88rem; }
.kh-manifesto { display: grid; gap: 8px; }
.kh-manifesto details { padding: 0 16px; }
.kh-manifesto summary { cursor: pointer; padding: 16px 0; color: var(--text-main); font-weight: 700; }
.kh-manifesto__body { padding: 0 0 16px; color: var(--text-muted); }
.kh-manifesto__body p { margin: 0 0 10px; }
.kh-founders { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.kh-founder { padding: 22px; }
.kh-founder h3 { margin: 0 0 6px; color: var(--primary); font-size: 1.2rem; }
.kh-founder__role { margin: 0 0 16px; color: var(--text-muted); font-size: .88rem; }
.kh-founder__interests { margin: 0 0 18px; padding-inline-start: 20px; color: var(--text-muted); }
.kh-founder__link { display: inline-block; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 4px; color: var(--text-main); text-decoration: none; }
.kh-founder__link:hover { border-color: var(--primary); color: var(--primary); }
@keyframes kh-fade-pulse { 0% { opacity: 0; transform: scale(.96); } 55% { opacity: 1; transform: scale(1.02); } 100% { opacity: 1; transform: scale(1); } }
.kh-footer { margin-top: 64px; border-top: 1px solid var(--border-color); padding: 28px 0 16px; color: var(--text-muted); }
.kh-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; }
.kh-footer__brand img { width: 110px; max-height: 32px; object-fit: contain; }
.kh-footer__brand strong { color: var(--primary); font-size: .75rem; letter-spacing: .12em; }
.kh-footer p { max-width: 420px; margin: 10px 0 0; font-size: .85rem; }
.kh-footer__links { display: grid; align-content: start; gap: 8px; }
.kh-footer__bottom { margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--border-color); font-size: .78rem; }
@media (max-width: 820px) { .kh-navbar__inner { flex-wrap: wrap; padding: 12px 0; } .kh-navlinks { order: 3; flex-basis: 100%; overflow-x: auto; justify-content: flex-start; } }
@media (max-width: 560px) { .kh-footer__grid { grid-template-columns: 1fr; gap: 20px; } .kh-navlinks { gap: 14px; } }
@media (max-width: 640px) { .kh-activity__grid { grid-template-columns: 1fr; } .kh-hero { padding-top: 64px; } }
@media (max-width: 900px) { .kh-pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kh-pillars, .kh-founders { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .kh-app-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kh-app-grid { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .kh-policy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kh-policy-grid { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .kh-sug-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kh-sug-grid { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .kh-blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kh-blog-grid { grid-template-columns: 1fr; } .kh-blog-search { flex-direction: column; } }
@media (max-width: 900px) { .kh-plans-grid, .kh-plan-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kh-plans-grid, .kh-plan-matrix { grid-template-columns: 1fr; } }