:root {
  --kk-bg-0: #0a0a0a; --kk-bg-1: #0f0f0f; --kk-bg-2: #171717;
  --kk-border: rgba(255,255,255,0.08); --kk-border-strong: rgba(255,255,255,0.15);
  --kk-text-primary: #fafafa; --kk-text-secondary: #a3a3a3; --kk-text-tertiary: #737373;
  --kk-accent: #dc2626; --kk-accent-dim: rgba(220,38,38,0.06); --kk-accent-strong: rgba(220,38,38,0.5);
  --kk-mono: 'JetBrains Mono', 'Menlo', 'Monaco', monospace;
}
[data-theme="light"] {
  --kk-bg-0: #ffffff; --kk-bg-1: #fafafa; --kk-bg-2: #ffffff;
  --kk-border: rgba(0,0,0,0.08); --kk-border-strong: rgba(0,0,0,0.15);
  --kk-text-primary: #0a0a0a; --kk-text-secondary: #525252; --kk-text-tertiary: #737373;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background: var(--kk-bg-0); color: var(--kk-text-primary); line-height: 1.7; font-weight: 400; -webkit-font-smoothing: antialiased; }
.mono { font-family: var(--kk-mono); }
.container { max-width: 880px; margin: 0 auto; padding: 0 32px; }
.eyebrow { font-family: var(--kk-mono); font-size: 11px; color: var(--kk-accent); letter-spacing: 0.15em; margin-bottom: 14px; }
a { color: inherit; text-decoration: none; }

/* HEADER */
.kk-header { border-bottom: 0.5px solid var(--kk-border); background: var(--kk-bg-0); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(8px); }
.kk-header-inner { display: flex; align-items: center; gap: 20px; padding: 16px 32px; max-width: 1180px; margin: 0 auto; }
.kk-logo-slot { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.kk-logo-img-placeholder { width: 120px; height: 38px; border: 1px dashed var(--kk-accent-strong); display: flex; align-items: center; justify-content: center; font-size: 9px; color: var(--kk-accent); letter-spacing: 0.1em; font-family: var(--kk-mono); background: var(--kk-accent-dim); }
.kk-logo-img { height: 38px; width: auto; display: block; background: #fff; padding: 4px 8px; border-radius: 5px; } /* cc_146: A-verzió — tiszta fehér chip */
.kk-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.kk-logo-name { font-size: 13px; font-weight: 500; color: var(--kk-text-primary); letter-spacing: 0.02em; }
.kk-logo-sub { font-size: 10px; color: var(--kk-text-tertiary); letter-spacing: 0.05em; text-transform: uppercase; }
.kk-nav { display: flex; gap: 22px; font-size: 13px; margin-left: auto; }
.kk-nav a { color: var(--kk-text-secondary); transition: color .12s; }
.kk-nav a:hover { color: var(--kk-accent); }
.kk-header-actions { display: flex; gap: 8px; align-items: center; }
.kk-icon-btn { background: transparent; border: 0.5px solid var(--kk-border-strong); padding: 6px 10px; color: var(--kk-text-secondary); font-size: 13px; border-radius: 0; cursor: pointer; line-height: 1; }
.kk-icon-btn:hover { background: var(--kk-bg-2); color: var(--kk-text-primary); }
.kk-btn-primary { background: var(--kk-accent); border: 0; padding: 8px 16px; color: white; font-size: 13px; font-weight: 500; border-radius: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.kk-btn-primary:hover { filter: brightness(1.1); }

/* PAGE HERO */
.kk-page-hero { padding: 64px 0 32px; border-bottom: 0.5px solid var(--kk-border); text-align: left; }
.kk-page-hero h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 500; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 16px; }
.kk-page-hero .lead { font-size: 15px; color: var(--kk-text-secondary); max-width: 600px; }
.kk-version-bar { margin-top: 24px; padding: 14px 18px; background: var(--kk-bg-1); border: 0.5px solid var(--kk-border); display: flex; gap: 18px; flex-wrap: wrap; }
.kk-version-item { display: flex; flex-direction: column; gap: 2px; }
.kk-version-label { font-family: var(--kk-mono); font-size: 9px; color: var(--kk-text-tertiary); letter-spacing: 0.1em; text-transform: uppercase; }
.kk-version-value { font-size: 12px; color: var(--kk-text-primary); font-weight: 500; }

/* CONTENT */
.kk-content { padding: 36px 0 60px; font-size: 14px; color: var(--kk-text-secondary); }
.kk-content h1 { display: none; }
.kk-content h2 { font-size: 22px; font-weight: 500; color: var(--kk-text-primary); margin: 36px 0 14px; letter-spacing: -0.01em; line-height: 1.25; padding-bottom: 8px; border-bottom: 0.5px solid var(--kk-border); }
.kk-content h2:first-child { margin-top: 0; }
.kk-content h3 { font-size: 16px; font-weight: 500; color: var(--kk-text-primary); margin: 24px 0 8px; }
.kk-content h4 { font-size: 14px; font-weight: 500; color: var(--kk-text-primary); margin: 20px 0 6px; }
.kk-content p { margin-bottom: 14px; line-height: 1.75; }
.kk-content ul, .kk-content ol { margin: 0 0 16px 22px; }
.kk-content li { margin-bottom: 6px; line-height: 1.7; }
.kk-content strong { color: var(--kk-text-primary); font-weight: 500; }
.kk-content code { font-family: var(--kk-mono); font-size: 12px; background: var(--kk-bg-2); padding: 1px 6px; border: 0.5px solid var(--kk-border); color: var(--kk-accent); }
.kk-content blockquote { margin: 16px 0; padding: 12px 18px; background: var(--kk-bg-1); border-left: 2px solid var(--kk-accent); font-size: 13px; color: var(--kk-text-secondary); }
.kk-content blockquote p:last-child { margin-bottom: 0; }
.kk-content hr { border: 0; border-top: 0.5px solid var(--kk-border); margin: 30px 0; }
.kk-content a { color: var(--kk-accent); text-decoration: underline; text-underline-offset: 3px; }
.kk-content a:hover { text-decoration: none; }
.kk-content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13px; }
.kk-content th, .kk-content td { padding: 10px 12px; text-align: left; border-bottom: 0.5px solid var(--kk-border); vertical-align: top; }
.kk-content th { background: var(--kk-bg-1); color: var(--kk-text-primary); font-weight: 500; font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; }
.kk-content td:first-child { color: var(--kk-text-primary); }

/* FOOTER */
.kk-footer { background: var(--kk-bg-0); border-top: 0.5px solid var(--kk-border); padding: 32px 0 20px; }
.kk-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 20px; max-width: 1180px; margin-left: auto; margin-right: auto; padding: 0 32px; }
@media (max-width: 700px) { .kk-footer-grid { grid-template-columns: 1fr; gap: 24px; } }
.kk-footer-brand-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.kk-footer-logo-mini { width: 70px; height: 24px; border: 1px dashed var(--kk-accent-strong); display: flex; align-items: center; justify-content: center; font-size: 8px; color: var(--kk-accent); letter-spacing: 0.1em; font-family: var(--kk-mono); }
.kk-footer-brand { font-size: 13px; font-weight: 500; color: var(--kk-text-primary); }
.kk-footer-meta { font-size: 11px; color: var(--kk-text-tertiary); line-height: 1.7; }
.kk-footer-meta a:hover { color: var(--kk-accent); }
.kk-footer-section-title { font-size: 10px; color: var(--kk-text-tertiary); letter-spacing: 0.1em; margin-bottom: 8px; text-transform: uppercase; }
.kk-footer-bottom { border-top: 0.5px solid var(--kk-border); padding-top: 14px; max-width: 1180px; margin: 0 auto; padding-left: 32px; padding-right: 32px; display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--kk-text-tertiary); }
.kk-footer-bottom .mono { font-size: 10px; letter-spacing: 0.1em; }
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .kk-header-inner { padding: 12px 20px; flex-wrap: wrap; gap: 12px; }
  .kk-nav { gap: 14px; font-size: 12px; flex-wrap: wrap; }
  .kk-page-hero { padding: 40px 0 24px; }
}