/* КотоМир — минималистичные адаптивные стили */

:root {
  --bg: #ffffff;
  --text: #1d2433;
  --muted: #667085;
  --card-bg: #ffffff;
  --card-border: #e4e7ec;
  --accent: #7c3aed;
  --accent-contrast: #ffffff;
  --link: #2563eb;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
}

html[data-theme="dark"] {
  --bg: #0b1220;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --card-bg: #0e172a;
  --card-border: #1f2a44;
  --accent: #a78bfa;
  --accent-contrast: #1e1b4b;
  --link: #60a5fa;
  --shadow: 0 1px 2px rgba(2, 6, 23, 0.4), 0 1px 3px rgba(2, 6, 23, 0.6);
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  padding: 0 16px;
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 8px 12px;
  background: var(--accent);
  color: var(--accent-contrast);
  border-radius: 6px;
  z-index: 1000;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(8px);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.06), rgba(124, 58, 237, 0))
              , var(--bg);
  border-bottom: 1px solid var(--card-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 28px; }
.site-title { font-size: 22px; line-height: 1.2; margin: 0; }
.site-subtitle { margin: 2px 0 0; color: var(--muted); font-size: 14px; }

.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.theme-toggle:hover { filter: brightness(0.98); }

.tools {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0 16px;
}
.search-label { color: var(--muted); }
#searchInput {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--card-bg);
  color: var(--text);
  outline: none;
}
#searchInput:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
}
.tag-filter button {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
}
.tag-filter button.active {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: color-mix(in srgb, var(--accent) 80%, var(--card-border));
}

/* Posts grid */
.posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 16px 0 40px;
}
.post-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.post-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.post-body { padding: 14px; }
.post-title {
  margin: 0;
  font-size: 18px;
}
.post-meta {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}
.post-excerpt { margin: 10px 0; color: var(--text); }

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 12px;
}
.post-tags .tag {
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  color: var(--muted);
}

.post-actions { margin-top: auto; padding: 0 14px 14px; }
.post-actions details {
  border: 1px dashed var(--card-border);
  border-radius: 10px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--card-bg), var(--card-border) 10%);
}
.post-actions summary {
  cursor: pointer;
  color: var(--link);
  list-style: none;
}
.post-actions summary::-webkit-details-marker { display: none; }
.post-actions details[open] summary { margin-bottom: 6px; }
.post-actions p { margin: 8px 0; }

/* No results */
.no-results {
  text-align: center;
  color: var(--muted);
  padding: 20px 0 40px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--card-border);
  background: var(--card-bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
}

/* Links */
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Small screens tweaks */
@media (max-width: 480px) {
  .header-inner { align-items: flex-start; }
  .site-subtitle { display: none; }
}