/* SadBangla main stylesheet. Plain CSS, no preprocessor required.
   Design tokens (colors, fonts, spacing) come from style.css's :root vars. */

/* ---------- Reset-lite ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--sb-color-bg);
  color: var(--sb-color-text);
  font-family: var(--sb-font-body);
  font-size: 1rem;
  line-height: 1.75; /* generous line-height for comfortable Bengali reading */
  min-width: 320px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sb-color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--sb-font-heading); line-height: 1.35; margin: 0 0 0.6em; }
p { margin: 0 0 1em; }
button { font-family: inherit; }

/* Never justify Bengali text - avoids uneven word spacing (rag-right instead). */
p, li { text-align: left; }

/* Visible focus states everywhere, high-contrast, not brand-color dependent */
:focus-visible {
  outline: 3px solid var(--sb-color-focus);
  outline-offset: 2px;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(1px,1px,1px,1px);
  white-space: nowrap;
}

.sb-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--sb-color-accent-strong);
  color: #fff;
  padding: 0.75em 1.25em;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.sb-skip-link:focus {
  left: 0;
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Layout helpers ---------- */
.sb-container {
  max-width: var(--sb-max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header ---------- */
.sb-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--sb-color-bg-elevated);
  border-bottom: 1px solid var(--sb-color-border);
  /* Sticky header kept lightweight: no blur/shadow animation, cheap to paint */
}
.sb-header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  flex-wrap: wrap;
}
.sb-branding { display: flex; flex-direction: column; margin-right: auto; }
.sb-logo-text {
  font-family: var(--sb-font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--sb-color-accent-strong);
}
.sb-tagline { font-size: 0.8rem; color: var(--sb-color-text-muted); margin: 0.15rem 0 0; }

.sb-menu-toggle {
  display: none;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid var(--sb-color-border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
}
.sb-menu-toggle-icon {
  display: inline-block;
  width: 18px; height: 2px;
  background: var(--sb-color-text);
  position: relative;
}
.sb-menu-toggle-icon::before, .sb-menu-toggle-icon::after {
  content: "";
  position: absolute; left: 0;
  width: 18px; height: 2px;
  background: var(--sb-color-text);
}
.sb-menu-toggle-icon::before { top: -6px; }
.sb-menu-toggle-icon::after { top: 6px; }

.sb-nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  margin: 0; padding: 0;
}
.sb-nav-list a {
  color: var(--sb-color-text);
  font-weight: 500;
  padding: 0.4rem 0.1rem;
  display: inline-block;
}
.sb-nav-list a:hover { color: var(--sb-color-accent-strong); text-decoration: none; }

.sb-search-form {
  display: flex;
  align-items: center;
  border: 1px solid var(--sb-color-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--sb-color-bg);
}
.sb-search-form input[type="search"] {
  border: none; background: transparent;
  padding: 0.5rem 0.9rem;
  font-family: inherit; font-size: 0.95rem;
  color: var(--sb-color-text);
  min-width: 0;
}
.sb-search-submit {
  border: none; background: transparent; cursor: pointer;
  padding: 0.5rem 0.75rem;
}

@media (max-width: 860px) {
  .sb-menu-toggle { display: inline-flex; order: 1; }
  .sb-primary-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
  }
  .sb-primary-nav.sb-nav-open { max-height: 600px; }
  .sb-nav-list { flex-direction: column; padding: 0.5rem 0; gap: 0; }
  .sb-nav-list a { padding: 0.6rem 0.2rem; border-bottom: 1px solid var(--sb-color-border); }
  .sb-search-form { order: 2; flex: 1 1 auto; }
}

/* ---------- Hero ---------- */
.sb-hero {
  padding: 3rem 0 2.5rem;
  background: linear-gradient(180deg, var(--sb-color-bg-elevated), var(--sb-color-bg));
  border-bottom: 1px solid var(--sb-color-border);
}
.sb-hero-inner { text-align: center; max-width: 760px; }
.sb-hero-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--sb-color-accent-strong);
}
.sb-hero-subtitle {
  font-size: 1.05rem;
  color: var(--sb-color-text-muted);
  max-width: 620px;
  margin-left: auto; margin-right: auto;
}
.sb-hero-actions {
  display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap;
  margin-top: 1.25rem;
}

/* ---------- Buttons ---------- */
.sb-btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  border: 2px solid transparent;
}
.sb-btn-primary {
  background: var(--sb-color-accent-strong);
  color: #fff;
}
.sb-btn-primary:hover { background: var(--sb-color-accent); text-decoration: none; }
.sb-btn-secondary {
  background: transparent;
  border-color: var(--sb-color-accent-strong);
  color: var(--sb-color-accent-strong);
}
.sb-btn-secondary:hover { background: var(--sb-color-accent-strong); color: #fff; text-decoration: none; }

/* ---------- Sections ---------- */
.sb-section { padding: 2.5rem 0; }
.sb-section-heading { font-size: 1.4rem; margin-bottom: 1rem; }
.sb-section-intro { color: var(--sb-color-text-muted); margin-top: -0.5rem; }
.sb-empty-note { color: var(--sb-color-text-muted); font-style: italic; }

/* ---------- Category cards ---------- */
.sb-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.9rem;
}
.sb-category-card {
  background: var(--sb-color-bg-elevated);
  border: 1px solid var(--sb-color-border);
  border-radius: var(--sb-radius);
  padding: 1.1rem;
  text-align: center;
  color: var(--sb-color-text);
  box-shadow: var(--sb-shadow);
}
.sb-category-card:hover { border-color: var(--sb-color-accent); text-decoration: none; }
.sb-category-card-icon { display: block; font-size: 1.6rem; margin-bottom: 0.4rem; }
.sb-category-card-name { display: block; font-weight: 700; }
.sb-category-card-count { display: block; font-size: 0.8rem; color: var(--sb-color-text-muted); margin-top: 0.2rem; }

/* ---------- Post grid / cards ---------- */
.sb-post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}
.sb-post-card {
  background: var(--sb-color-bg-elevated);
  border: 1px solid var(--sb-color-border);
  border-radius: var(--sb-radius);
  overflow: hidden;
  box-shadow: var(--sb-shadow);
}
.sb-post-card-link { color: inherit; display: block; }
.sb-post-card-link:hover { text-decoration: none; }
.sb-post-card-media img { aspect-ratio: 8 / 5; object-fit: cover; width: 100%; }
.sb-post-card-body { padding: 1rem; }
.sb-post-card-cat {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--sb-color-accent-strong);
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.sb-post-card-title { font-size: 1.05rem; margin: 0 0 0.4rem; overflow-wrap: anywhere; }
.sb-post-card-excerpt { color: var(--sb-color-text-muted); font-size: 0.9rem; }
.sb-post-card-date { font-size: 0.75rem; color: var(--sb-color-text-muted); }

/* ---------- Caption blocks & copy button ---------- */
.sb-quick-copy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.sb-caption-block {
  background: var(--sb-color-bg-elevated);
  border: 1px solid var(--sb-color-border);
  border-radius: var(--sb-radius);
  padding: 1rem;
}
.sb-caption-text { font-size: 1.05rem; margin-bottom: 0.6rem; overflow-wrap: anywhere; }
.sb-caption-actions { display: flex; align-items: center; gap: 0.5rem; }
.sb-copy-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent;
  border: 1.5px solid var(--sb-color-accent-strong);
  color: var(--sb-color-accent-strong);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.sb-copy-btn:hover { background: var(--sb-color-accent-strong); color: #fff; }
.sb-copy-live { font-size: 0.8rem; color: var(--sb-color-accent-strong); }
.sb-link-more { display: inline-block; margin-top: 1rem; font-weight: 600; }

/* ---------- Generator ---------- */
.sb-generator-intro { background: var(--sb-color-bg-elevated); border-top: 1px solid var(--sb-color-border); border-bottom: 1px solid var(--sb-color-border); }
.sb-generator-steps { padding-inline-start: 1.25rem; }
.sb-generator-form { display: flex; flex-direction: column; gap: 1rem; max-width: 640px; margin: 1.5rem 0; }
.sb-form-row label { display: block; font-weight: 600; margin-bottom: 0.3rem; }
.sb-form-row input[type="text"],
.sb-form-row select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--sb-color-border);
  background: var(--sb-color-bg-elevated);
  color: var(--sb-color-text);
  font-size: 1rem;
}
.sb-form-row-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
@media (max-width: 640px) { .sb-form-row-grid { grid-template-columns: 1fr; } }
.sb-gen-status { min-height: 1.5em; color: var(--sb-color-text-muted); }
.sb-gen-results { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.sb-gen-result-item { background: var(--sb-color-bg-elevated); border: 1px solid var(--sb-color-border); border-radius: var(--sb-radius); padding: 1rem; }
.sb-generator-disclaimer { font-size: 0.8rem; color: var(--sb-color-text-muted); margin-top: 1.5rem; }

/* ---------- Breadcrumbs ---------- */
.sb-breadcrumbs { margin: 1rem 0; font-size: 0.85rem; color: var(--sb-color-text-muted); }
.sb-breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.3rem; padding: 0; margin: 0; }
.sb-breadcrumbs li:not(:last-child)::after { content: "/"; margin-inline-start: 0.3rem; }

/* ---------- Single post ---------- */
.sb-single-container { max-width: 760px; }
.sb-single-cat { font-weight: 700; color: var(--sb-color-accent-strong); font-size: 0.85rem; }
.sb-single-title { font-size: clamp(1.5rem, 4vw, 2.1rem); margin-top: 0.4rem; }
.sb-single-meta { font-size: 0.85rem; color: var(--sb-color-text-muted); display: flex; gap: 1rem; flex-wrap: wrap; }
.sb-single-thumbnail { margin: 1.25rem 0; border-radius: var(--sb-radius); overflow: hidden; }
.sb-single-content { font-size: 1.05rem; }
.sb-single-content h2 { margin-top: 1.75rem; font-size: 1.3rem; }
.sb-single-content h3 { margin-top: 1.4rem; font-size: 1.1rem; }
.sb-single-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 1.5rem 0; }
.sb-tag-chip { background: var(--sb-color-bg-elevated); border: 1px solid var(--sb-color-border); border-radius: 999px; padding: 0.3rem 0.75rem; font-size: 0.8rem; }

.sb-toc { background: var(--sb-color-bg-elevated); border: 1px solid var(--sb-color-border); border-radius: var(--sb-radius); padding: 1rem 1.25rem; margin: 1.25rem 0; }
.sb-toc-title { font-weight: 700; margin-bottom: 0.5rem; }
.sb-toc ol { margin: 0; padding-inline-start: 1.1rem; }
.sb-toc-level-3 { margin-inline-start: 1rem; font-size: 0.9rem; }

.sb-author-box { display: flex; gap: 0.9rem; align-items: flex-start; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--sb-color-border); }
.sb-author-box img { border-radius: 50%; }
.sb-author-name { font-weight: 700; display: block; }
.sb-author-bio { color: var(--sb-color-text-muted); font-size: 0.9rem; }

.sb-related { margin-top: 2.5rem; }
.sb-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.sb-related-card { display: block; color: var(--sb-color-text); }
.sb-related-card img { border-radius: var(--sb-radius); }
.sb-related-title { display: block; margin-top: 0.4rem; font-weight: 600; font-size: 0.9rem; }

/* ---------- Comments ---------- */
.sb-comments { margin-top: 2.5rem; border-top: 1px solid var(--sb-color-border); padding-top: 1.5rem; }
.sb-comment-list { list-style: none; padding: 0; }
.sb-comment-moderation-note { font-size: 0.8rem; color: var(--sb-color-text-muted); }

/* ---------- Archive / category ---------- */
.sb-archive-title { font-size: clamp(1.4rem, 3.5vw, 1.9rem); }
.sb-archive-description { color: var(--sb-color-text-muted); max-width: 720px; }
.sb-editor-hint { font-style: italic; }
.sb-archive-count { font-size: 0.85rem; color: var(--sb-color-text-muted); }

/* ---------- 404 ---------- */
.sb-404 { text-align: center; padding: 3rem 0; }
.sb-404-links { display: flex; gap: 0.75rem; justify-content: center; margin-top: 1.5rem; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.sb-site-footer { background: var(--sb-color-bg-elevated); border-top: 1px solid var(--sb-color-border); margin-top: 3rem; padding-top: 2.5rem; }
.sb-footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}
@media (max-width: 720px) { .sb-footer-inner { grid-template-columns: 1fr; } }
.sb-footer-heading { font-size: 1rem; margin-bottom: 0.75rem; }
.sb-footer-list, .sb-footer-social { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.sb-footer-bottom { border-top: 1px solid var(--sb-color-border); padding: 1rem 1.25rem; font-size: 0.8rem; color: var(--sb-color-text-muted); display: flex; gap: 1rem; flex-wrap: wrap; justify-content: space-between; }

/* Prevent sideways body scroll from any wide embedded content (tables,
   code, long URLs), per the "wide content scrolls in its own container"
   principle also required for good mobile Bengali UX. */
.sb-single-content table,
.sb-single-content pre {
  display: block;
  overflow-x: auto;
  max-width: 100%;
}