/* ==========================================================================
   components.css — buttons, badges, avatars, cards, tabs, comments
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn-outline { background: transparent; color: var(--color-text); border-color: var(--color-border-dark); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent-strong); }
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-strong); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--color-text-muted); border-color: transparent; padding: 10px 14px; }
.btn-ghost:hover { color: var(--color-text); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 13px; min-height: 38px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  letter-spacing: 0.01em;
}
.badge-verified { color: var(--color-accent-strong); border-color: rgba(122, 36, 54,0.28); background: var(--color-accent-soft); }
.badge-free { color: var(--color-success); border-color: rgba(63, 107, 79,0.25); background: var(--color-success-bg); }
.badge-paid { color: var(--color-accent-strong); border-color: rgba(122, 36, 54,0.28); background: var(--color-accent-soft); }

.avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-accent-ink);
  margin-bottom: 18px;
  box-shadow: 0 0 0 3px var(--color-background), 0 0 0 4px var(--color-border);
  flex-shrink: 0;
}

/* creator cards */
.creator-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.creator-card {
  display: block;
  padding: 30px 26px;
  background: linear-gradient(180deg, var(--color-paper), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.creator-card:hover { border-color: rgba(122, 36, 54, 0.35); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.creator-card h3 { font-size: 18px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.creator-card .stat { margin-top: 14px; font-size: 14px; color: var(--color-text-muted); display: flex; align-items: center; gap: 7px; }
.creator-card .stat .icon { color: var(--color-accent); }
.creator-card .meta-row {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-light);
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.creator-card .price { color: var(--color-text); font-family: var(--font-mono); font-weight: 600; }
.creator-card .price strong { color: var(--color-accent-strong); }
.creator-card .meta-row { font-family: var(--font-mono); }

/* latest post cards */
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.post-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.post-card:hover { border-color: rgba(122, 36, 54, 0.3); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.post-card .thumb {
  aspect-ratio: 16/8;
  background: linear-gradient(135deg, rgba(122, 36, 54,0.09), transparent 60%), var(--color-paper);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.post-card .thumb .badge { position: absolute; top: 12px; left: 12px; }
.post-card .post-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-card .author-line { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-light); }
.post-card .author-line .avatar { width: 24px; height: 24px; font-size: 11px; margin-bottom: 0; box-shadow: none; }
.post-card h3 { font-size: 18px; font-family: var(--font-sans); font-weight: 700; line-height: 1.4; transition: color .15s ease; }
.post-card:hover h3 { color: var(--color-accent-strong); }
.post-card .excerpt { font-size: 13.5px; color: var(--color-text-muted); line-height: 1.6; }
.post-card .card-meta { margin-top: auto; padding-top: 12px; display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; color: var(--color-text-light); }

/* post list rows (creator page, dashboard) */
.post-list { display: flex; flex-direction: column; }
.post-row { display: flex; align-items: center; gap: 16px; padding: 18px 14px; border-radius: var(--radius-md); transition: background .15s ease; }
.post-row:hover { background: var(--color-surface); }
.post-row .avatar { width: 40px; height: 40px; font-size: 14px; margin-bottom: 0; flex-shrink: 0; }
.post-row .post-main { flex: 1; min-width: 0; }
.post-row .author-line { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--color-text-light); margin-bottom: 6px; flex-wrap: wrap; }
.post-row h3 { font-size: 17px; font-weight: 700; font-family: var(--font-sans); transition: color .15s ease; }
.post-row:hover h3 { color: var(--color-accent-strong); }
.post-row .date { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-light); margin-top: 6px; }

/* popular / more-posts grid */
.popular-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.popular-card { display: flex; gap: 14px; padding: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); transition: border-color .2s ease, transform .2s ease; }
.popular-card:hover { border-color: rgba(122, 36, 54,0.3); transform: translateY(-2px); }
.popular-thumb { width: 64px; height: 64px; flex-shrink: 0; border-radius: var(--radius-sm); background: linear-gradient(135deg, var(--color-accent-soft), var(--color-paper)); }
.popular-card h4 {
  font-size: 14px; font-family: var(--font-sans); font-weight: 600; line-height: 1.45;
  overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.popular-card .views { margin-top: 8px; font-family: var(--font-mono); font-size: 11.5px; color: var(--color-text-light); }

/* tabs */
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--color-border); margin: 8px 0 28px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tab-btn {
  background: transparent;
  border: none;
  color: var(--color-text-light);
  font-size: 14.5px;
  font-weight: 600;
  padding: 12px 6px;
  margin-right: 22px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
  flex-shrink: 0;
  min-height: 44px;
}
.tab-btn.active, .tab-btn:hover { color: var(--color-text); }
.tab-btn.active { border-color: var(--color-accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* table of contents */
.toc { border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); padding: 18px 20px; margin-bottom: 40px; }
.toc .toc-title { font-size: 12.5px; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; font-weight: 600; }
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; display: flex; flex-direction: column; gap: 9px; }
.toc li { counter-increment: toc; font-size: 14.5px; }
.toc li::before { content: counter(toc) ". "; color: var(--color-accent); font-weight: 600; }
.toc a { color: var(--color-text-muted); transition: color .15s ease; }
.toc a:hover { color: var(--color-accent-strong); }

.membership-cta {
  margin: 44px 0;
  padding: 32px;
  border: 1px solid rgba(122, 36, 54,0.25);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-accent-soft), var(--color-surface));
  text-align: center;
}
.membership-cta h3 { font-family: var(--font-serif); font-size: 21px; margin-bottom: 9px; }
.membership-cta p { color: var(--color-text-muted); font-size: 14px; margin-bottom: 20px; }

/* comments */
.comments-section { margin-top: 60px; padding-top: 36px; border-top: 1px solid var(--color-border); }
.comments-section h3 { font-size: 18px; font-family: var(--font-sans); margin-bottom: 22px; }
.comment-empty { padding: 32px; text-align: center; color: var(--color-text-light); font-size: 14px; background: var(--color-surface); border-radius: var(--radius-md); border: 1px dashed var(--color-border-dark); }
.comment-login { margin-top: 16px; text-align: center; font-size: 14px; color: var(--color-text-light); }
.comment-login a { color: var(--color-accent); }
.comment-item { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.comment-item .author { font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.comment-item .body { font-size: 14px; color: var(--color-text-muted); white-space: pre-wrap; word-break: break-word; }
.comment-textarea {
  width: 100%;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 14px;
  resize: vertical;
}

/* next post */
.next-post { margin-top: 44px; padding-top: 36px; border-top: 1px solid var(--color-border); }
.next-post .label { font-size: 12.5px; color: var(--color-text-light); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; font-weight: 600; }
.next-post-card { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 24px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: border-color .2s ease, transform .2s ease; }
.next-post-card:hover { border-color: rgba(122, 36, 54,0.3); transform: translateX(4px); }
.next-post-card h4 { font-size: 18px; font-family: var(--font-serif); }
.next-post-card .arrow { color: var(--color-accent); flex-shrink: 0; }

.popular-section { margin-top: 52px; }
.popular-section .label { font-size: 12.5px; color: var(--color-text-light); margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }

/* sidebar cards (article + creator) */
.side-rail { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 20px; }
.side-card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); padding: 24px 22px; }
.side-card .avatar { width: 48px; height: 48px; font-size: 16px; margin-bottom: 14px; }
.side-card h4 { font-family: var(--font-sans); font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.side-card p { font-size: 13.5px; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 18px; }
.side-card .price-line { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; font-size: 13px; color: var(--color-text-light); }
.side-card .price-line strong { font-size: 19px; color: var(--color-text); font-family: var(--font-mono); font-weight: 600; }
.side-card .benefits { display: flex; flex-direction: column; gap: 8px; margin: 16px 0 20px; }
.side-card .benefits li { font-size: 13px; color: var(--color-text-muted); display: flex; align-items: flex-start; gap: 8px; }
.side-card .benefits .icon { color: var(--color-accent); margin-top: 2px; }

/* generic form field */
.field label { font-size: 13px; color: var(--color-text-muted); display: block; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--color-text);
  font-size: 15px;
  font-family: var(--font-sans);
  transition: border-color .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-accent); }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-muted); min-height: 32px; }
.checkbox-row input { width: 18px; height: 18px; flex-shrink: 0; }