/* ===========================
   SINGLE POST (ARTICLE DETAIL)
   =========================== */

/* --- HERO SECTION --- */
.single-hero {
  padding: 160px 0 80px;
  background: linear-gradient(180deg, #F0F6FC 0%, rgba(240, 246, 252, 0) 100%);
}

.single-hero-inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--section-x);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.single-hero-image {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: 24px;
  overflow: hidden;
  background: #fdfcee; /* placeholder color like mockup */
}

.single-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.single-hero-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.single-meta-top {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-inter);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray);
}

.single-title {
  font-family: var(--font-geist);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-black);
  margin: 0;
}

.single-meta-bottom {
  font-family: var(--font-inter);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray);
}

/* --- BODY SECTION (CONTENT + SIDEBAR) --- */
.single-body {
  background: #fff;
}

.single-body-inner {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 64px var(--section-x) 120px;
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 80px;
  align-items: start;
}

/* --- PRIMARY COLUMN (content + discussion) --- */
.single-primary {
  display: flex;
  flex-direction: column;
}

/* --- MAIN CONTENT --- */
.single-content {
  font-family: var(--font-inter);
  font-size: 16px;
  line-height: 1.8;
  color: #4a4a4a;
  max-width: 65ch;
}

.single-content p {
  margin-bottom: 24px;
}

.single-content h2,
.single-content h3,
.single-content h4 {
  font-family: var(--font-geist);
  color: var(--color-black);
  margin-top: 48px;
  margin-bottom: 24px;
  line-height: 1.3;
}

.single-content h2 { font-size: 28px; font-weight: 700; }
.single-content h3 { font-size: 24px; font-weight: 700; }
.single-content h4 { font-size: 20px; font-weight: 600; }

.single-content img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 32px 0;
}

.single-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.single-content ul,
.single-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.single-content li {
  margin-bottom: 12px;
}

.single-content blockquote {
  border-left: 4px solid var(--color-primary);
  margin: 40px 0;
  padding: 16px 24px;
  background: #F8FBFE;
  font-size: 18px;
  font-style: italic;
  color: var(--color-black);
  border-radius: 0 12px 12px 0;
}

/* --- HIDE TABLE OF CONTENTS --- */
.single-content #toc_container,
.single-content .toc_container,
.single-content .ez-toc-container,
.single-content #ez-toc-container,
.single-content .lwptoc,
.single-content .wp-block-tableOfContents,
.single-content .wp-block-aioseo-table-of-contents,
.single-content .aioseo-table-of-contents,
.single-content .aioseo-toc,
.single-content .rank-math-toc,
.single-content .table-of-contents {
  display: none !important;
}

/* --- SIDEBAR --- */
.single-sidebar {
  position: sticky;
  top: 120px;
}

.sidebar-heading {
  font-family: var(--font-geist);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-black);
  padding-bottom: 24px;
  border-bottom: 2px solid var(--color-border);
  margin-top: 0;
  margin-bottom: 32px;
}

.sidebar-articles-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-article-title {
  font-family: var(--font-geist);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 12px 0;
}

.sidebar-article-title a {
  color: var(--color-black);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sidebar-article-title a:hover {
  color: var(--color-primary);
}

.sidebar-article-cat {
  font-family: var(--font-inter);
  font-size: 13px;
  font-weight: 500;
  color: #888;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: #ccc;
  transition: all 0.2s ease;
}

.sidebar-article-cat:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}

/* --- DISCUSSION --- */
.discussion {
  margin-top: 64px;
  max-width: 65ch;
}

.discussion-header {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.discussion-title {
  font-family: var(--font-geist);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin: 0;
}

/* form — no card, no bg, just type and rules */
.discussion-form {
  margin-top: 28px;
}

.discussion-form-title {
  font-family: var(--font-geist);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-black);
  margin: 0 0 20px;
}

.discussion-logged-in {
  font-size: 13px;
  color: var(--color-gray);
  margin: 0 0 16px;
}

.discussion-logged-in a {
  color: var(--color-black);
  font-weight: 500;
}

/* form fields — clean, no rounding on container */
.comment-form-comment {
  margin: 0;
}

.comment-form-comment textarea {
  display: block;
  width: 100%;
  min-height: 100px;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  font-family: var(--font-inter);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-black);
  outline: none;
  resize: vertical;
  transition: border-color 0.15s;
}

.comment-form-comment textarea:focus {
  border-color: var(--color-primary);
}

.comment-form-author,
.comment-form-email,
.comment-form-url {
  margin: 12px 0 0;
}

.comment-form-author label,
.comment-form-email label,
.comment-form-url label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gray);
  margin: 0 0 4px;
}

.comment-form-author input,
.comment-form-email input,
.comment-form-url input {
  width: 100%;
  max-width: 320px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  font-family: var(--font-inter);
  font-size: 15px;
  color: var(--color-black);
  outline: none;
  transition: border-color 0.15s;
}

.comment-form-author input:focus,
.comment-form-email input:focus,
.comment-form-url input:focus {
  border-color: var(--color-primary);
}

.form-submit {
  margin: 20px 0 0;
}

.submit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 28px;
  border-radius: 8px;
  background: var(--color-dark);
  color: #fff;
  font-family: var(--font-inter);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.submit:hover {
  background: var(--color-black);
}

.submit:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* comment list — each comment is an entry in a published thread */
.discussion-list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
}

.discussion-list ol {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
}

.discussion-list li {
  list-style: none;
}

.comment {
  position: relative;
  padding: 20px 0 20px 20px;
  border-left: 3px solid var(--color-border);
  transition: border-color 0.2s;
}

.comment:hover {
  border-left-color: var(--color-primary);
}

.comment.bypostauthor {
  border-left-color: var(--color-navy);
}

.comment.bypostauthor:hover {
  border-left-color: var(--color-primary);
}

/* timeline dot on each comment */
.comment::before {
  content: '';
  position: absolute;
  top: 24px;
  left: -6px;
  width: 8px;
  height: 8px;
  border-radius: 1px;
  background: var(--color-border);
  transition: background 0.2s;
}

.comment:hover::before {
  background: var(--color-primary);
}

.comment.bypostauthor::before {
  background: var(--color-navy);
}

.comment.bypostauthor:hover::before {
  background: var(--color-primary);
}

.comment-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.comment-author {
  display: flex;
  align-items: center;
  gap: 8px;
}

.comment-author img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.comment-author cite {
  font-family: var(--font-geist);
  font-size: 14px;
  font-weight: 600;
  font-style: normal;
  letter-spacing: -0.01em;
  color: var(--color-black);
}

.comment-author cite a {
  color: var(--color-black);
}

.comment-author .says {
  display: none;
}

.comment-metadata {
  font-size: 12px;
  color: var(--color-gray);
}

.comment-metadata a {
  color: var(--color-gray);
  transition: color 0.15s;
}

.comment-metadata a:hover {
  color: var(--color-primary);
}

.comment-content {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-dark);
}

.comment-content p {
  margin: 0;
}

.comment-content p + p {
  margin-top: 12px;
}

.reply {
  margin-top: 4px;
}

.reply a {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-gray);
  transition: color 0.15s;
}

.reply a:hover {
  color: var(--color-primary);
}

/* nav */
.discussion-nav {
  margin-top: 28px;
}

.discussion-nav--bottom {
  margin-top: 36px;
}

.discussion-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.discussion-nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray);
  transition: color 0.15s;
}

.discussion-nav a:hover {
  color: var(--color-primary);
}

/* threaded reply form */
.comment .comment-respond {
  margin-top: 16px;
  padding: 16px 0 0 20px;
}

.comment .comment-reply-title {
  font-family: var(--font-geist);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-black);
  margin: 0 0 14px;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .single-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .single-hero-image {
    aspect-ratio: 1/1;
  }
  
  .single-body-inner {
    grid-template-columns: 1fr;
    gap: 64px;
  }
  
  .single-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .single-hero {
    padding: 120px 0 48px;
  }
  
  .single-body-inner {
    padding: 48px var(--section-x) 80px;
  }
}