/* CHROMA — main.css   theme chrome */
body {
  background: var(--geekui-bg);
  color: var(--geekui-text);
  font-family: var(--geekui-font-base);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(160,107,255,0.12), transparent 50%),
    radial-gradient(ellipse 60% 50% at 0% 30%, rgba(92,240,255,0.06), transparent 55%),
    linear-gradient(var(--chroma-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--chroma-grid) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  background-attachment: fixed;
  transition: background-color 0.2s, color 0.2s;
}
a { color: inherit; }

/* TOPBAR */
.chroma-topbar { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--geekui-bg) 88%, transparent); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--geekui-border); }
.chroma-topbar__inner { max-width: 1400px; margin: 0 auto; padding: 16px 32px; display: flex; align-items: center; gap: 32px; }
.chroma-brand { display: flex; align-items: center; gap: 12px; font-family: var(--geekui-font-title); font-size: 22px; font-weight: 700; letter-spacing: 0.08em; color: var(--geekui-text); text-transform: uppercase; text-decoration: none; }
.chroma-brand__glyph { width: 30px; height: 30px; background: linear-gradient(135deg, var(--geekui-accent), var(--chroma-violet)); -webkit-mask: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); mask: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); flex-shrink: 0; }
.chroma-nav { display: flex; gap: 28px; flex: 1; flex-wrap: wrap; font-family: var(--geekui-font-mono); font-size: 11px; letter-spacing: 0.20em; text-transform: uppercase; font-weight: 500; }
.chroma-nav a, .chroma-nav__menu a { color: var(--geekui-text-dim); padding: 4px 0; position: relative; transition: color 0.2s; text-decoration: none; }
.chroma-nav a:hover, .chroma-nav__menu a:hover { color: var(--geekui-text); }
.chroma-nav .current-menu-item > a, .chroma-nav a.is-current { color: var(--geekui-accent); }
.chroma-nav .current-menu-item > a::after, .chroma-nav a.is-current::after { content: ""; position: absolute; left: 0; right: 0; bottom: -18px; height: 2px; background: linear-gradient(90deg, var(--geekui-accent), var(--chroma-violet)); }
.chroma-nav__menu { list-style: none; padding: 0; margin: 0; display: flex; gap: 28px; }

.chroma-topbar__actions { display: flex; align-items: center; gap: 10px; }
.chroma-search { display: flex; align-items: center; gap: 8px; background: var(--geekui-surface); border: 1px solid var(--geekui-border); padding: 9px 14px; width: 240px; transition: border-color 0.2s, box-shadow 0.2s; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); }
.chroma-search:focus-within { border-color: var(--geekui-border-strong); box-shadow: var(--geekui-glow); }
.chroma-search svg { color: var(--geekui-text-mute); flex-shrink: 0; }
.chroma-search input { background: none; border: none; outline: none; color: var(--geekui-text); font: 13px var(--geekui-font-mono); letter-spacing: 0.06em; width: 100%; }
.chroma-search input::placeholder { color: var(--geekui-text-mute); }
.chroma-toggle { width: 36px; height: 36px; background: var(--geekui-surface); border: 1px solid var(--geekui-border); color: var(--geekui-text); display: grid; place-items: center; clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px); }
.chroma-toggle:hover { color: var(--geekui-accent); border-color: var(--geekui-border-strong); }

/* ARCHIVE HEAD */
.chroma-archive-head { border-bottom: 1px solid var(--geekui-border); }
.chroma-archive-head--center { text-align: center; border-bottom: none; }
.chroma-archive-head__inner { max-width: 1400px; margin: 0 auto; padding: 64px 32px 36px; }
.chroma-archive-title { font-family: var(--geekui-font-title); font-size: 56px; font-weight: 700; letter-spacing: -0.025em; text-transform: uppercase; margin: 0; color: var(--geekui-text); text-wrap: balance; }
.chroma-archive-title em { font-style: normal; background: linear-gradient(135deg, var(--geekui-accent), var(--chroma-violet)); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.chroma-archive-sub { font-family: var(--geekui-font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--geekui-text-dim); margin: 12px 0 0; }

/* CONTENT */
.chroma-content { max-width: 1400px; margin: 0 auto; padding: 48px 32px 80px; }

/* POST CARDS */
.chroma-post-list { display: grid; gap: 20px; max-width: 1000px; margin: 0 auto; }
.chroma-post-card { display: grid; grid-template-columns: 260px 1fr; gap: 24px; background: var(--geekui-surface); border: 1px solid var(--geekui-border); border-radius: var(--geekui-card-radius); overflow: hidden; transition: border-color 0.2s, box-shadow 0.2s; }
.chroma-post-card:hover { border-color: var(--geekui-border-strong); box-shadow: var(--geekui-card-hover-shadow); }
.chroma-post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.chroma-post-card__body { padding: 22px 26px; display: flex; flex-direction: column; gap: 10px; }
.chroma-post-card__meta { font-family: var(--geekui-font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--geekui-text-mute); }
.chroma-post-card__title { font-family: var(--geekui-font-title); font-size: 28px; font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; margin: 0; text-transform: uppercase; }
.chroma-post-card__title a { color: var(--geekui-text); }
.chroma-post-card__title a:hover { color: var(--geekui-accent); }
.chroma-post-card__excerpt { color: var(--geekui-text-dim); font-size: 14px; }
.chroma-post-card__more { align-self: flex-start; margin-top: auto; font-family: var(--geekui-font-mono); font-size: 10px; letter-spacing: 0.20em; text-transform: uppercase; color: var(--geekui-accent); font-weight: 600; }

/* SINGLE */
.chroma-single { max-width: 880px; margin: 0 auto; padding: 56px 32px 80px; }
.chroma-single__head { text-align: center; margin-bottom: 28px; }
.chroma-single__meta { font-family: var(--geekui-font-mono); font-size: 10px; letter-spacing: 0.20em; text-transform: uppercase; color: var(--geekui-text-mute); }
.chroma-single__title { font-family: var(--geekui-font-title); font-size: 60px; line-height: 1; font-weight: 700; letter-spacing: -0.025em; text-transform: uppercase; margin: 12px 0 10px; color: var(--geekui-text); text-wrap: balance; }
.chroma-single__lede { font-family: var(--geekui-font-base); font-size: 18px; line-height: 1.5; color: var(--geekui-text-dim); margin: 0; }
.chroma-single__cover { margin: 28px 0; }
.chroma-single__cover img { border-radius: var(--geekui-card-radius); width: 100%; height: auto; display: block; margin: 0 auto; }
.chroma-single__content { font-family: var(--geekui-font-base); font-size: 17px; line-height: 1.75; color: var(--geekui-text); }
.chroma-single__content p { margin: 0 0 1.2em; }
.chroma-single__content h2, .chroma-single__content h3 { font-family: var(--geekui-font-title); font-weight: 700; text-transform: uppercase; letter-spacing: -0.015em; }
.chroma-single__content a { color: var(--geekui-accent); border-bottom: 1px solid var(--geekui-border); }
.chroma-single__content a:hover { color: var(--geekui-accent-2); border-color: var(--geekui-accent); }
.chroma-single__content blockquote { border-left: 2px solid var(--geekui-accent); padding-left: 1em; font-family: var(--geekui-font-title); font-size: 22px; color: var(--geekui-text-dim); margin: 1.5em 0; }

.chroma-error-num { font-family: var(--geekui-font-title); font-size: 120px; line-height: 1; font-weight: 700; background: linear-gradient(135deg, var(--geekui-accent), var(--chroma-violet)); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; letter-spacing: -0.05em; }

/* BUTTONS */
.chroma-btn { font-family: var(--geekui-font-mono); font-size: 11px; letter-spacing: 0.20em; text-transform: uppercase; font-weight: 600; padding: 12px 22px; border: 1px solid var(--geekui-border); color: var(--geekui-text); background: var(--geekui-surface); display: inline-flex; align-items: center; gap: 8px; cursor: pointer; text-decoration: none; transition: all 0.2s; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.chroma-btn:hover { border-color: var(--geekui-accent); color: var(--geekui-accent); }
.chroma-btn--primary { background: linear-gradient(135deg, var(--geekui-accent), var(--chroma-violet)); color: #070912; border-color: var(--geekui-accent); }
body[data-theme="light"] .chroma-btn--primary { color: #fff; }
.chroma-btn--primary:hover { box-shadow: var(--geekui-glow); color: #070912; }
body[data-theme="light"] .chroma-btn--primary:hover { color: #fff; }

/* COMMENTS */
.chroma-comments { max-width: 720px; margin: 56px auto 0; }
.chroma-comments__title { font-family: var(--geekui-font-mono); font-size: 12px; letter-spacing: 0.20em; text-transform: uppercase; color: var(--geekui-accent); font-weight: 600; }
.chroma-comments__list { list-style: none; padding: 0; margin: 0 0 24px; }
.chroma-comments .comment-body { background: var(--geekui-surface); border: 1px solid var(--geekui-border); border-radius: var(--geekui-card-radius); padding: 16px 20px; margin-bottom: 10px; }
.chroma-comments .comment-author { font-weight: 600; color: var(--geekui-accent); }
.comment-form label { font-family: var(--geekui-font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--geekui-text-dim); display: block; margin-bottom: 6px; }
.comment-form input[type=text], .comment-form input[type=email], .comment-form input[type=url], .comment-form textarea { width: 100%; background: var(--geekui-bg); border: 1px solid var(--geekui-border); color: var(--geekui-text); border-radius: 4px; padding: 10px 12px; font-family: var(--geekui-font-base); outline: none; }
.comment-form input:focus, .comment-form textarea:focus { border-color: var(--geekui-border-strong); box-shadow: var(--geekui-glow); }

/* PAGINATION */
.chroma-pagination { display: flex; justify-content: center; gap: 4px; margin-top: 48px; }
.chroma-pagination .page-numbers { min-width: 36px; height: 36px; border: 1px solid var(--geekui-border); display: grid; place-items: center; padding: 0 10px; font-family: var(--geekui-font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--geekui-text-dim); text-decoration: none; }
.chroma-pagination .page-numbers:hover, .chroma-pagination .page-numbers.current { background: var(--geekui-accent); border-color: var(--geekui-accent); color: var(--geekui-bg); }

/* FOOTER */
.chroma-footer { margin-top: 96px; padding: 44px 32px 36px; border-top: 1px solid var(--geekui-border); color: var(--geekui-text-mute); text-align: center; font-family: var(--geekui-font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; }
.chroma-footer__cols { max-width: 1400px; margin: 0 auto 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; text-align: left; }
.chroma-footer__col h4 { font-family: var(--geekui-font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--geekui-accent); margin: 0 0 10px; font-weight: 600; }
.chroma-footer__brand { font-family: var(--geekui-font-title); font-size: 22px; font-weight: 700; color: var(--geekui-text); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.chroma-footer__tag { font-family: var(--geekui-font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--geekui-text-mute); margin: 4px 0; }
.chroma-footer__nav { display: flex; gap: 16px; justify-content: center; margin: 12px 0; }
.chroma-footer__nav a { color: var(--geekui-text-mute); font-size: 12px; }
.chroma-footer__nav a:hover { color: var(--geekui-accent); }
.chroma-footer__copy { font-family: var(--geekui-font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.7; }

.chroma-empty { text-align: center; font-family: var(--geekui-font-title); font-size: 22px; color: var(--geekui-text-dim); padding: 80px 32px; text-transform: uppercase; }

:focus-visible { outline: 2px solid var(--geekui-accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition: none !important; } }

@media (max-width: 1000px) { .chroma-archive-title { font-size: 40px; } .chroma-single__title { font-size: 40px; } }
@media (max-width: 700px) {
  .chroma-topbar__inner { flex-wrap: wrap; gap: 14px; padding: 14px 18px; }
  .chroma-nav { order: 3; flex-basis: 100%; gap: 14px; }
  .chroma-search { width: 100%; }
  .chroma-content { padding: 28px 18px 60px; }
  .chroma-archive-head__inner { padding: 36px 18px 24px; }
  .chroma-archive-title { font-size: 32px; }
  .chroma-single { padding: 32px 18px 60px; }
  .chroma-single__title { font-size: 32px; }
  .chroma-post-card { grid-template-columns: 1fr; }
  .chroma-footer__cols { grid-template-columns: 1fr; }
}