/* =========================================================
   WriteUpCafe — series.css
   Loaded on /series/*, /series/manage, and any post page
   whose post belongs to a series (banner + prev/next nav).
   ========================================================= */

/* ---------------------------------------------------------
   1. Design tokens — scoped alias layer
   These are new names introduced for the series rebuild.
   They alias into the global app.css palette so that the
   layout partials below can read from a single vocabulary
   regardless of the surrounding design system.
   --------------------------------------------------------- */
:root {
  --color-background-primary:   #ffffff;
  --color-background-secondary: var(--cream, #edeae4);
  --color-background-tertiary:  var(--parchment-warm, #f5f3ef);
  --color-background-info:      rgba(59, 130, 246, 0.08);

  --color-text-primary:   var(--ink, #1a1a2e);
  --color-text-secondary: var(--ink-light, #2d2d44);
  --color-text-tertiary:  var(--ink-muted, #6b7194);
  --color-text-info:      var(--copper, #C4622D);
  --color-text-danger:    var(--color-error, #DC2626);
  --color-text-success:   var(--color-success, #16A34A);
  --color-text-warning:   var(--gold, #d4a853);

  --color-border-primary:   rgba(0, 0, 0, 0.14);
  --color-border-secondary: rgba(0, 0, 0, 0.09);
  --color-border-tertiary:  rgba(0, 0, 0, 0.06);

  --border-radius-lg: var(--radius-lg, 20px);
  --border-radius-md: var(--radius-md, 12px);
  --border-radius-sm: var(--radius-sm, 6px);
}

/* ---------------------------------------------------------
   2. Page layout
   --------------------------------------------------------- */
.series-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 272px;
  gap: 28px;
  align-items: start;
  max-width: 1080px;
  margin: 24px auto;
  padding: 0 20px;
}
.series-page__main  { min-width: 0; }
.series-page__sidebar { position: sticky; top: 80px; }

/* ---------------------------------------------------------
   3. Hero (series layout)
   --------------------------------------------------------- */
.series-hero {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  position: relative;
}
.series-hero__img, .series-hero__placeholder {
  width: 100%; height: 240px;
  object-fit: cover; display: block;
  background: linear-gradient(135deg, #0d1117, #1c2230);
}
.series-hero__overlay {
  position: absolute; inset: auto 0 0 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.72), transparent);
}
.series-hero__top-row {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap; margin-bottom: 8px;
}
.series-hero__title {
  font-size: 24px; font-weight: 600;
  color: #fff; margin-bottom: 4px; line-height: 1.2;
  font-family: var(--font-serif, Georgia, serif);
}
.series-hero__sub {
  font-size: 12px; color: rgba(255, 255, 255, 0.65);
  font-family: var(--font-mono, monospace);
}
.series-blurb {
  font-size: 14px; color: var(--color-text-secondary);
  line-height: 1.7; margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}

/* ---------------------------------------------------------
   4. Genre / type / section labels
   --------------------------------------------------------- */
.series-genre-badge {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 500;
  padding: 3px 10px; border-radius: 20px;
  text-decoration: none;
}
.series-genre-badge:hover { text-decoration: none; filter: brightness(0.98); }

.series-genre-badge-sm {
  display: inline-flex; font-size: 11px;
  padding: 2px 8px; border-radius: 20px;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  border: 0.5px solid var(--color-border-tertiary);
}
.series-genre-badge-sm--secondary { opacity: 0.8; }

.series-type-badge {
  display: inline-flex; align-items: center;
  font-size: 11px; font-weight: 600; letter-spacing: 1px;
  padding: 3px 9px; border-radius: 20px;
  text-transform: uppercase;
  background: rgba(200, 129, 58, 0.9); color: #fff;
}
.series-type-badge--book       { background: #534AB7; }
.series-type-badge--course     { background: #185FA5; }
.series-type-badge--collection { background: #0F6E56; }
.series-type-badge--playbook   { background: #993C1D; }

.series-entries-label,
.sidebar-section-label {
  font-size: 11px; font-weight: 600; letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 14px;
  font-family: var(--font-mono, monospace);
}

/* ---------------------------------------------------------
   5. Timeline (series layout)
   --------------------------------------------------------- */
.series-timeline { display: flex; flex-direction: column; }
.series-timeline__item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 72px;
  gap: 10px; align-items: start;
  padding: 14px 0;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}
.series-timeline__item:last-child { border-bottom: none; }
.series-timeline__num-col {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 2px;
}
.series-timeline__circle {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600;
  color: var(--color-text-secondary);
  font-family: var(--font-mono, monospace);
}
.series-timeline__line {
  width: 1px; flex: 1; min-height: 28px;
  background: var(--color-border-tertiary);
  margin-top: 4px;
}
.series-timeline__title {
  font-size: 15px; font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none; line-height: 1.4;
  display: block; margin-bottom: 5px;
  font-family: var(--font-serif, Georgia, serif);
}
.series-timeline__title:hover { color: var(--color-text-info); }
.series-timeline__excerpt {
  font-size: 12px; color: var(--color-text-secondary);
  line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 5px;
}
.series-timeline__meta {
  font-size: 11px; color: var(--color-text-tertiary);
  display: flex; gap: 7px; flex-wrap: wrap;
}
.series-meta-dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--color-border-primary);
  align-self: center;
}
.series-timeline__thumb {
  width: 72px; height: 54px;
  border-radius: var(--border-radius-md);
  object-fit: cover;
  border: 0.5px solid var(--color-border-tertiary);
  overflow: hidden; display: block;
}
.series-timeline__thumb img { width: 100%; height: 100%; object-fit: cover; }
.series-timeline__thumb--empty { background: var(--color-background-secondary); }

/* ---------------------------------------------------------
   6. Book layout
   --------------------------------------------------------- */
.book-header {
  display: flex; gap: 24px; align-items: flex-start;
  margin-bottom: 28px; padding-bottom: 24px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}
.book-cover {
  width: 110px; min-width: 110px; height: 158px;
  border-radius: 3px;
  border: 0.5px solid var(--color-border-secondary);
  overflow: hidden; position: relative;
  background: var(--color-background-secondary);
  box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.08);
}
.book-cover::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  background: var(--spine-color, #534AB7);
}
.book-cover__img {
  width: 100%; height: 100%;
  object-fit: cover; padding-left: 6px;
}
.book-cover__title-text {
  display: block;
  padding: 14px 12px 14px 18px;
  font-size: 11px; font-weight: 600;
  line-height: 1.4; color: #3C3489;
  font-family: var(--font-serif, Georgia, serif);
}
.book-meta { flex: 1; min-width: 0; }
.book-title {
  font-size: 26px; font-weight: 700;
  color: var(--color-text-primary); line-height: 1.2;
  margin: 10px 0 6px;
  font-family: var(--font-serif, Georgia, serif);
}
.book-author { font-size: 13px; color: var(--color-text-secondary); margin-bottom: 10px; }
.book-desc { font-size: 13px; color: var(--color-text-secondary); line-height: 1.65; margin-bottom: 12px; }
.book-meta__pills { display: flex; gap: 7px; flex-wrap: wrap; }
.book-meta-pill {
  font-size: 12px; padding: 3px 9px;
  border-radius: 20px;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  border: 0.5px solid var(--color-border-tertiary);
}
.book-toc__item {
  display: flex; align-items: baseline; gap: 14px;
  padding: 12px 0;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  text-decoration: none;
}
.book-toc__item:last-child { border-bottom: none; }
.book-toc__item:hover .book-toc__title { color: var(--color-text-info); }
.book-toc__num {
  font-size: 12px; color: var(--color-text-tertiary);
  min-width: 86px;
  font-family: var(--font-serif, Georgia, serif);
}
.book-toc__title {
  font-size: 15px; color: var(--color-text-primary);
  flex: 1; line-height: 1.35;
  font-family: var(--font-serif, Georgia, serif);
}
.book-toc__meta { font-size: 11px; color: var(--color-text-tertiary); white-space: nowrap; }

/* ---------------------------------------------------------
   7. Course layout
   --------------------------------------------------------- */
.course-header { margin-bottom: 22px; }
.course-title {
  font-size: 24px; font-weight: 600;
  color: var(--color-text-primary);
  margin: 10px 0 6px;
  font-family: var(--font-serif, Georgia, serif);
}
.course-desc {
  font-size: 14px; color: var(--color-text-secondary);
  line-height: 1.65; margin-bottom: 14px;
}
.course-meta-pills { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 4px; }
.course-pill {
  font-size: 12px; padding: 3px 9px;
  border-radius: 20px;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  border: 0.5px solid var(--color-border-tertiary);
}
.course-progress { margin-bottom: 20px; }
.course-progress__label {
  font-size: 12px; color: var(--color-text-secondary);
  margin-bottom: 6px;
  display: flex; justify-content: space-between;
}
.course-progress__bar {
  height: 7px; background: var(--color-border-tertiary);
  border-radius: 4px; overflow: hidden;
}
.course-progress__fill {
  height: 100%; border-radius: 4px;
  transition: width 0.3s;
}
.course-lesson {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: var(--border-radius-md);
  border: 0.5px solid var(--color-border-tertiary);
  margin-bottom: 8px;
  text-decoration: none; color: inherit;
}
.course-lesson:hover:not(.course-lesson--locked) {
  background: var(--color-background-secondary);
}
.course-lesson--locked { cursor: default; opacity: 0.5; }
.course-lesson__icon {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
}
.course-lesson__body { flex: 1; min-width: 0; }
.course-lesson__label {
  font-size: 11px; color: var(--color-text-tertiary);
  display: block; margin-bottom: 2px;
  font-family: var(--font-mono, monospace);
  font-weight: 600;
}
.course-lesson__title {
  font-size: 14px; font-weight: 600;
  color: var(--color-text-primary);
  display: block;
}
.course-lesson__meta { font-size: 11px; color: var(--color-text-tertiary); display: block; margin-top: 3px; }
.course-lesson__check {
  width: 20px; height: 20px; border-radius: 50%;
  border: 1px solid var(--color-border-secondary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-left: auto;
}

/* ---------------------------------------------------------
   8. Collection layout
   --------------------------------------------------------- */
.collection-header { margin-bottom: 20px; }
.collection-title {
  font-size: 24px; font-weight: 600;
  color: var(--color-text-primary);
  margin: 10px 0 6px;
  font-family: var(--font-serif, Georgia, serif);
}
.collection-desc {
  font-size: 14px; color: var(--color-text-secondary);
  line-height: 1.65; margin-bottom: 14px;
}
.collection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.collection-card {
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  overflow: hidden; text-decoration: none;
  color: inherit; display: block;
}
.collection-card:hover { border-color: var(--color-border-secondary); }
.collection-card__img {
  width: 100%; height: 120px;
  object-fit: cover; display: block;
  background: var(--color-background-secondary);
}
.collection-card__img--empty {
  height: 120px; background: var(--color-background-secondary);
}
.collection-card__body { padding: 12px; }
.collection-card__label {
  font-size: 11px; color: var(--color-text-tertiary);
  display: block; margin-bottom: 3px;
  font-family: var(--font-mono, monospace);
}
.collection-card__title {
  font-size: 14px; font-weight: 600;
  color: var(--color-text-primary);
  display: block; line-height: 1.35; margin-bottom: 5px;
}
.collection-card__meta { font-size: 11px; color: var(--color-text-tertiary); }

/* ---------------------------------------------------------
   9. Playbook layout
   --------------------------------------------------------- */
.playbook-header { margin-bottom: 20px; }
.playbook-title {
  font-size: 24px; font-weight: 600;
  color: var(--color-text-primary);
  margin: 10px 0 6px;
  font-family: var(--font-serif, Georgia, serif);
}
.playbook-desc {
  font-size: 14px; color: var(--color-text-secondary);
  line-height: 1.65; margin-bottom: 14px;
}
.playbook-steps { display: flex; flex-direction: column; }
.playbook-step { display: flex; gap: 16px; align-items: flex-start; }
.playbook-step__left {
  display: flex; flex-direction: column; align-items: center;
  min-width: 40px;
}
.playbook-step__num {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  flex-shrink: 0;
  font-family: var(--font-mono, monospace);
}
.playbook-step__connector {
  width: 2px; flex: 1; min-height: 28px; margin-top: 4px;
}
.playbook-step__body { flex: 1; padding-bottom: 24px; min-width: 0; }
.playbook-step__label {
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase;
  display: block; margin-bottom: 5px;
  font-family: var(--font-mono, monospace);
}
.playbook-step__title {
  font-size: 15px; font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none; display: block;
  margin-bottom: 5px; line-height: 1.35;
  font-family: var(--font-serif, Georgia, serif);
}
.playbook-step__title:hover { color: var(--color-text-info); }
.playbook-step__desc {
  font-size: 12px; color: var(--color-text-secondary);
  line-height: 1.5;
}
.playbook-step__meta { font-size: 11px; color: var(--color-text-tertiary); margin-top: 6px; }

/* ---------------------------------------------------------
   10. Sidebar shared
   --------------------------------------------------------- */
.sidebar-card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 18px;
  margin-bottom: 14px;
}
.sidebar-divider {
  height: 0.5px;
  background: var(--color-border-tertiary);
  margin: 14px 0;
}
.sidebar-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}
.sidebar-stat {
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  padding: 10px; text-align: center;
}
.sidebar-stat__num {
  font-size: 18px; font-weight: 700;
  color: var(--color-text-primary); display: block;
  font-family: var(--font-serif, Georgia, serif);
}
.sidebar-stat__lbl {
  font-size: 10px; color: var(--color-text-tertiary);
  font-family: var(--font-mono, monospace);
  letter-spacing: 0.4px;
}

/* Follow button + follower avatar stack.
   Uses the site brand color (--copper) for every series type so it
   matches the CTA buttons across the rest of WriteUpCafe. Per-type
   accent colors are kept for ornamental elements (topic badges,
   timeline circles, book spine, course progress bar) — only the
   primary CTAs are standardised here. */
.series-follow-btn {
  width: 100%;
  padding: 11px;
  border-radius: var(--border-radius-md);
  border: none;
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
  margin-bottom: 12px;
  text-align: center; display: block; text-decoration: none;
  background: var(--copper, #C4622D);
  color: #fff;
  transition: background 160ms, color 160ms, border-color 160ms, filter 160ms;
}
.series-follow-btn:hover { filter: brightness(0.96); }
.series-follow-btn[disabled] { opacity: 0.6; cursor: wait; }
.series-follow-btn--following {
  background: var(--color-background-secondary);
  color: var(--color-text-primary);
  border: 0.5px solid var(--color-border-secondary);
}
.series-follow-btn--following:hover {
  background: #ffe6dc;
  color: var(--copper, #C4622D);
  filter: none;
}

.follower-avatars { display: flex; justify-content: center; margin-bottom: 8px; }
.follower-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  border: 2px solid var(--color-background-primary);
  margin-left: -8px;
  font-size: 11px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  overflow: hidden;
}
.follower-avatar:first-child { margin-left: 0; }
.follower-avatar img { width: 100%; height: 100%; object-fit: cover; }
.follower-count {
  text-align: center; font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}

/* Sidebar progress bar */
.sidebar-progress { margin-top: 16px; }
.sidebar-progress__label {
  font-size: 12px; color: var(--color-text-secondary);
  margin-bottom: 6px;
  display: flex; justify-content: space-between;
}
.sidebar-progress__bar {
  height: 6px;
  background: var(--color-border-tertiary);
  border-radius: 4px; overflow: hidden;
}
.sidebar-progress__fill { height: 100%; border-radius: 4px; }
.sidebar-progress__continue {
  font-size: 12px; display: block;
  margin-top: 10px; text-decoration: none;
  font-weight: 500;
}

/* Topics sidebar card */
.series-topic-tags {
  display: flex; flex-wrap: wrap; gap: 7px;
}
.series-topic-tag {
  font-size: 12px; padding: 5px 11px;
  border-radius: 20px;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  border: 0.5px solid var(--color-border-tertiary);
  text-decoration: none;
}
.series-topic-tag:hover { border-color: var(--color-border-secondary); }
.series-topic-tag--primary { font-weight: 600; }

/* ---------------------------------------------------------
   11. Contributors sidebar card
   --------------------------------------------------------- */
.contrib-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.contrib-row:last-of-type { margin-bottom: 0; }
.contrib-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; overflow: hidden;
}
.contrib-avatar img { width: 100%; height: 100%; object-fit: cover; }
.contrib-info { flex: 1; min-width: 0; }
.contrib-name {
  font-size: 13px; font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none; display: block;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.contrib-name:hover { color: var(--color-text-info); }
.contrib-role { font-size: 11px; color: var(--color-text-tertiary); }
.contrib-post-count {
  font-size: 11px; color: var(--color-text-secondary);
  margin-left: auto; white-space: nowrap;
}
.contrib-pro-badge {
  display: inline-flex; vertical-align: middle;
  background: #faeeda; color: #854f0b;
  font-size: 10px; font-weight: 700;
  padding: 1px 7px; border-radius: 20px;
  margin-left: 5px;
}
.contrib-remove-btn {
  background: none; border: none;
  color: var(--color-text-tertiary);
  cursor: pointer; font-size: 18px; line-height: 1;
  padding: 0 4px;
}
.contrib-remove-btn:hover { color: var(--color-text-danger); }

/* Pending applications (owner view) */
.pending-label {
  font-size: 11px; font-weight: 700;
  color: var(--color-text-warning);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 10px;
  font-family: var(--font-mono, monospace);
}
.pending-item {
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  padding: 12px; margin-bottom: 9px;
}
.pending-item__header {
  display: flex; justify-content: space-between;
  align-items: baseline; margin-bottom: 6px;
}
.pending-item__name {
  font-size: 13px; font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
}
.pending-item__date { font-size: 11px; color: var(--color-text-tertiary); }
.pending-item__pitch {
  font-size: 12px; color: var(--color-text-secondary);
  line-height: 1.5; margin-bottom: 9px;
}
.pending-item__actions { display: flex; gap: 8px; }
.pending-accept-btn {
  padding: 6px 14px;
  border-radius: var(--border-radius-sm);
  border: none; color: #fff;
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
  background: var(--copper, #C4622D);
  transition: filter 160ms;
}
.pending-accept-btn:hover { filter: brightness(0.96); }
.pending-decline-btn {
  padding: 6px 14px;
  border-radius: var(--border-radius-sm);
  border: 0.5px solid var(--color-border-secondary);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
}

/* Apply box */
.apply-box {
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  padding: 14px;
  background: var(--color-background-secondary);
}
.apply-box__title {
  font-size: 13px; font-weight: 600;
  color: var(--color-text-primary); margin-bottom: 4px;
}
.apply-box__desc {
  font-size: 12px; color: var(--color-text-secondary);
  line-height: 1.5; margin-bottom: 10px;
}
.apply-open-btn {
  width: 100%; padding: 9px;
  border-radius: var(--border-radius-sm);
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-secondary);
  color: var(--color-text-primary);
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
  display: flex; align-items: center; justify-content: center;
  gap: 5px;
}
.apply-open-btn:hover { border-color: var(--color-border-primary); }
.apply-open-btn--guest { text-decoration: none; text-align: center; }
#apply-form-0, [id^='apply-form-'] textarea {
  width: 100%; margin-top: 6px;
  padding: 9px 11px;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans, system-ui);
  font-size: 12px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  resize: vertical;
}
.apply-form__char-count {
  font-size: 11px; color: var(--color-text-tertiary);
  text-align: right; margin-bottom: 8px;
}
.apply-form__actions { display: flex; gap: 8px; }
.apply-cancel-btn {
  padding: 7px 14px;
  border-radius: var(--border-radius-sm);
  background: transparent;
  border: 0.5px solid var(--color-border-secondary);
  color: var(--color-text-secondary);
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
}
.apply-submit-btn {
  flex: 1; padding: 7px;
  border-radius: var(--border-radius-sm);
  border: none; color: #fff;
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
  background: var(--copper, #C4622D);
  transition: filter 160ms;
}
.apply-submit-btn:hover { filter: brightness(0.96); }
.apply-submit-btn[disabled] { opacity: 0.6; cursor: wait; }

.invite-contrib-send-btn {
  background: var(--copper, #C4622D);
  border: none; color: #fff;
  padding: 0 14px; border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 13px; font-weight: 600;
  white-space: nowrap;
  font-family: var(--font-sans, system-ui);
  transition: filter 160ms;
}
.invite-contrib-send-btn:hover { filter: brightness(0.96); }

.apply-invite-accept-btn {
  background: var(--copper, #C4622D);
  border: none; color: #fff;
  padding: 8px 14px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 13px; font-weight: 600;
  font-family: var(--font-sans, system-ui);
  transition: filter 160ms;
}
.apply-invite-accept-btn:hover { filter: brightness(0.96); }
.apply-invite-decline-btn {
  background: transparent;
  border: 0.5px solid var(--color-border-secondary);
  color: var(--color-text-secondary);
  padding: 8px 14px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-sans, system-ui);
}
.apply-status {
  padding: 10px 13px;
  border-radius: var(--border-radius-md);
  font-size: 12px; font-weight: 500;
}
.apply-status--pending {
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
}
.apply-sent { text-align: center; padding: 10px 0; }
.apply-sent__icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: #eaf3de;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 10px;
}
.apply-sent__title {
  font-size: 13px; font-weight: 600;
  color: var(--color-text-primary); margin-bottom: 4px;
}
.apply-sent__desc { font-size: 11px; color: var(--color-text-secondary); }
.apply-closed-notice {
  font-size: 12px; color: var(--color-text-tertiary);
  font-style: italic;
}

/* Invite box (owner) */
.invite-contrib-box__title {
  font-size: 12px; font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.invite-contrib-input-row { display: flex; gap: 7px; }
.invite-contrib-input-row input {
  flex: 1; padding: 8px 11px;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans, system-ui);
  font-size: 13px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}

/* Invite response (invitee) */
.apply-invite-response__msg {
  font-size: 13px; color: var(--color-text-secondary);
  line-height: 1.5; margin-bottom: 12px;
}
.apply-invite-response__actions { display: flex; gap: 8px; }

/* ---------------------------------------------------------
   12. Two-step creation modal
   --------------------------------------------------------- */
.series-create-modal {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-lg);
  padding: 28px;
  width: 100%; max-width: 540px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}
.scm-progress {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-mono, monospace);
}
.scm-progress__step {
  font-size: 12px; color: var(--color-text-tertiary);
  font-weight: 500;
}
.scm-progress__step--active {
  font-weight: 700; color: var(--color-text-primary);
}
.scm-progress__divider { color: var(--color-border-secondary); }
.scm-title {
  font-size: 20px; font-weight: 700;
  margin-bottom: 6px;
  font-family: var(--font-serif, Georgia, serif);
  color: var(--color-text-primary);
}
.scm-subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 22px; line-height: 1.5;
}
.scm-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 11px;
}
.scm-type-card {
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-md);
  padding: 16px 14px 14px;
  cursor: pointer; position: relative;
  overflow: hidden;
  transition: border-color 160ms, transform 160ms;
  background: var(--color-background-primary);
}
.scm-type-card:hover {
  border-color: var(--color-border-secondary);
  transform: translateY(-1px);
}
.scm-type-card.selected { border-width: 2px; padding: 15px 13px 13px; }
.scm-type-card__accent {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.scm-type-card__label {
  font-size: 14px; font-weight: 700;
  color: var(--color-text-primary);
  margin-top: 8px; margin-bottom: 4px;
  font-family: var(--font-serif, Georgia, serif);
}
.scm-type-card__desc {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}
.scm-field { margin-bottom: 18px; position: relative; }
.scm-label {
  font-size: 12px; font-weight: 600;
  color: var(--color-text-secondary);
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
  text-transform: uppercase; letter-spacing: 0.5px;
  font-family: var(--font-mono, monospace);
}
.scm-required { color: var(--color-text-danger); }
.scm-field input[type='text'],
.scm-field textarea,
.scm-field select {
  width: 100%;
  padding: 10px 13px;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans, system-ui);
  font-size: 14px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 160ms;
}
.scm-field input:focus,
.scm-field textarea:focus,
.scm-field select:focus {
  border-color: var(--color-text-info);
}
.scm-field textarea { resize: vertical; font-family: var(--font-sans, system-ui); }
.scm-char-count {
  position: absolute; right: 0; bottom: -16px;
  font-size: 11px; color: var(--color-text-tertiary);
  font-family: var(--font-mono, monospace);
}
.scm-topic-hint {
  font-size: 10px;
  color: var(--color-text-tertiary);
  font-weight: 500; text-transform: none; letter-spacing: 0;
}

/* Cover upload card (scm-field wrapper is already styled above) */
.scm-upload {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1.5px dashed var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  background: var(--color-background-secondary);
  cursor: pointer;
  transition: border-color 160ms, background 160ms;
}
.scm-upload:hover {
  border-color: var(--copper, #C4622D);
  background: var(--color-background-primary);
}
.scm-upload__preview {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--border-radius-sm);
  background: var(--color-background-primary);
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  border: 0.5px solid var(--color-border-tertiary);
}
.scm-upload__preview.has-image { color: transparent; }
.scm-upload__preview.has-image svg { display: none; }
.scm-upload__copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}
.scm-upload__title {
  font-family: var(--font-sans, system-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.scm-upload__hint {
  font-size: 11px;
  color: var(--color-text-tertiary);
  line-height: 1.45;
}
.scm-topic-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
}
.scm-topic-row__badge {
  font-size: 10px; font-weight: 700;
  padding: 3px 9px; border-radius: 20px;
  white-space: nowrap;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  min-width: 60px; text-align: center;
  text-transform: uppercase; letter-spacing: 0.5px;
  font-family: var(--font-mono, monospace);
}
.scm-topic-row__badge--primary {
  background: var(--color-background-info);
  color: var(--color-text-info);
}
.scm-topic-row select { flex: 1; }
.scm-topic-note {
  font-size: 12px;
  color: var(--color-text-danger);
  margin-top: 4px;
}
.scm-open-apps label {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: flex; align-items: center; gap: 8px;
  cursor: pointer;
}
.scm-actions { display: flex; gap: 10px; margin-top: 22px; }
.scm-back-btn {
  padding: 10px 16px;
  border-radius: var(--border-radius-sm);
  background: transparent;
  border: 0.5px solid var(--color-border-secondary);
  color: var(--color-text-secondary);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
}
.scm-create-btn {
  flex: 1; padding: 10px;
  border-radius: var(--border-radius-sm);
  border: none; color: #fff;
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
  background: var(--copper, #c8813a);
  transition: filter 160ms;
}
.scm-create-btn:hover { filter: brightness(0.95); }
.scm-create-btn[disabled] { opacity: 0.6; cursor: wait; }
.scm-error {
  font-size: 12px;
  color: var(--color-text-danger);
  margin-top: 10px;
}

/* ---------------------------------------------------------
   13. Post-level series nav (used on the post show page)
   --------------------------------------------------------- */
.series-post-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  background: var(--series-bg, #faeeda);
  margin-bottom: 24px;
  flex-wrap: wrap; gap: 10px;
}
.series-post-nav__label {
  font-size: 13px; color: var(--color-text-secondary);
}
.series-post-nav__label a {
  color: var(--color-text-primary);
  font-weight: 600;
  text-decoration: none;
}
.series-post-nav__topic { color: var(--series-color, #c8813a); }
.series-post-nav__view-all {
  font-size: 12px; font-weight: 600;
  text-decoration: none;
}
.series-prev-next {
  display: flex; justify-content: space-between;
  padding: 20px 0;
  border-top: 0.5px solid var(--color-border-tertiary);
  margin-top: 28px; gap: 20px;
}
.series-prev-next__prev,
.series-prev-next__next {
  font-size: 14px;
  color: var(--color-text-primary);
  text-decoration: none;
  max-width: 48%; line-height: 1.4;
  font-family: var(--font-serif, Georgia, serif);
}
.series-prev-next__prev::before { content: '← '; }
.series-prev-next__next { text-align: right; }
.series-prev-next__next::after { content: ' →'; }

/* ---------------------------------------------------------
   14. Manage page
   --------------------------------------------------------- */
.manage-series-page {
  max-width: 880px;
  margin: 24px auto;
  padding: 0 20px;
}
.manage-series-page__header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.manage-series-page__header h1 {
  font-size: 28px; font-weight: 700;
  color: var(--color-text-primary);
  font-family: var(--font-serif, Georgia, serif);
}
.manage-series-empty {
  text-align: center; padding: 60px 20px;
  background: var(--color-background-primary);
  border: 0.5px dashed var(--color-border-secondary);
  border-radius: var(--border-radius-lg);
}
.manage-series-empty p {
  color: var(--color-text-tertiary);
  margin-bottom: 14px;
}
.manage-series-list {
  display: flex; flex-direction: column; gap: 14px;
}
.manage-series-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 16px; align-items: center;
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 16px;
  background: var(--color-background-primary);
}
.manage-series-item__thumb {
  width: 72px; height: 54px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background: var(--color-background-secondary);
}
.manage-series-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.manage-series-item__badges {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 6px;
}
.manage-series-item__title {
  font-size: 15px; font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
  display: block; margin-bottom: 4px;
  font-family: var(--font-serif, Georgia, serif);
}
.manage-series-item__title:hover { color: var(--color-text-info); }
.manage-series-item__meta {
  font-size: 12px;
  color: var(--color-text-tertiary);
}
.manage-series-item__actions {
  display: flex; gap: 8px;
}
.btn-sm {
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 12px; font-weight: 600;
  border: 0.5px solid var(--color-border-secondary);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  cursor: pointer; text-decoration: none;
  font-family: var(--font-sans, system-ui);
}
.btn-sm:hover { border-color: var(--color-border-primary); }
.btn-sm--danger { color: var(--color-text-danger); }
.btn-sm--danger:hover { border-color: var(--color-text-danger); }

/* ---------------------------------------------------------
   14b. Branded confirm/alert modal (used from series.js,
        replaces native confirm()/alert()). The overlay + card
        are built at runtime; this section only styles them.
   --------------------------------------------------------- */
.wuc-dialog-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0, 0, 0, 0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: wucDialogFadeIn 160ms ease-out;
}
.wuc-dialog-overlay--closing { animation: wucDialogFadeOut 160ms ease-out; }
@keyframes wucDialogFadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes wucDialogFadeOut { from { opacity: 1; } to { opacity: 0; } }

.wuc-dialog {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-lg);
  padding: 28px 28px 22px;
  width: 100%; max-width: 440px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  animation: wucDialogPop 160ms ease-out;
}
@keyframes wucDialogPop {
  from { transform: translateY(8px) scale(0.98); opacity: 0; }
  to   { transform: translateY(0) scale(1);      opacity: 1; }
}
.wuc-dialog__title {
  font-family: var(--font-serif, Georgia, serif);
  font-size: 18px; font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}
.wuc-dialog__msg {
  font-family: var(--font-sans, system-ui);
  font-size: 14px; line-height: 1.55;
  color: var(--color-text-secondary);
  margin-bottom: 22px;
}
.wuc-dialog__actions {
  display: flex; justify-content: flex-end; gap: 10px;
}
.wuc-dialog__btn {
  padding: 9px 18px;
  border-radius: var(--border-radius-sm);
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans, system-ui);
  border: 0.5px solid var(--color-border-secondary);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}
.wuc-dialog__btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.wuc-dialog__btn--ghost:hover { border-color: var(--color-border-primary); }
.wuc-dialog__btn--primary {
  background: var(--copper, #C4622D); color: #fff; border-color: var(--copper, #C4622D);
}
.wuc-dialog__btn--primary:hover { filter: brightness(0.96); }
.wuc-dialog__btn--danger { background: #DC2626; border-color: #DC2626; color: #fff; }
.wuc-dialog__btn--danger:hover { filter: brightness(0.96); }
.wuc-dialog__btn--warning { background: #d4a853; border-color: #d4a853; color: #2C1F14; }
.wuc-dialog__btn--error { background: #DC2626; border-color: #DC2626; color: #fff; }

.wuc-dialog--danger  .wuc-dialog__title { color: #DC2626; }
.wuc-dialog--warning .wuc-dialog__title { color: #8A6915; }
.wuc-dialog--error   .wuc-dialog__title { color: #DC2626; }
.wuc-dialog--success .wuc-dialog__title { color: #16A34A; }

/* ---------------------------------------------------------
   15. Action bar (bookmark / share / discussion)
   --------------------------------------------------------- */
.series-action-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 0;
  margin-bottom: 18px;
  border-top: 0.5px solid var(--color-border-tertiary);
  border-bottom: 0.5px solid var(--color-border-tertiary);
}
.series-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 20px;
  border: 0.5px solid var(--color-border-secondary);
  background: var(--color-background-primary);
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans, system-ui);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition, 160ms ease);
  line-height: 1;
}
.series-action-btn:hover {
  background: var(--sab-accent-bg, var(--color-background-secondary));
  border-color: var(--sab-accent, var(--color-border-primary));
  color: var(--sab-accent, var(--color-text-primary));
}
.series-action-btn--active {
  background: var(--sab-accent-bg, var(--color-background-secondary));
  border-color: var(--sab-accent, var(--color-border-primary));
  color: var(--sab-accent, var(--color-text-primary));
}
.series-action-btn__icon {
  flex-shrink: 0;
}
.series-action-btn__label {
  white-space: nowrap;
}
.series-action-btn__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 10px;
  background: var(--sab-accent, var(--color-text-tertiary));
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}

/* ---------------------------------------------------------
   16. Discussion modal
   --------------------------------------------------------- */
.series-cmt-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  align-items: center;
  justify-content: center;
}
.series-cmt-overlay.open {
  display: flex;
}
.series-cmt-modal {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 580px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  animation: seriesCmtSlideIn 0.25s ease both;
}
@keyframes seriesCmtSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.series-cmt-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  flex-shrink: 0;
}
.series-cmt-modal-title {
  font-family: var(--font-serif, Georgia, serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}
.series-cmt-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--color-background-secondary);
  color: var(--color-text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  transition: var(--transition, 160ms ease);
}
.series-cmt-close:hover {
  background: var(--color-border-tertiary);
  color: var(--color-text-primary);
}
.series-cmt-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
}
.series-cmt-loading {
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: 13px;
  padding: 24px 0;
}

/* ---------------------------------------------------------
   17. Responsive
   --------------------------------------------------------- */
@media (max-width: 900px) {
  .series-page { grid-template-columns: 1fr; }
  .series-page__sidebar { position: static; order: -1; }
  .collection-grid { grid-template-columns: 1fr; }
  .book-header { flex-direction: column; gap: 16px; }
  .book-cover { width: 96px; min-width: 96px; height: 138px; }
  .series-timeline__item { grid-template-columns: 30px minmax(0, 1fr); }
  .series-timeline__thumb { display: none; }
  .manage-series-item { grid-template-columns: minmax(0, 1fr) auto; }
  .manage-series-item__thumb { display: none; }
  .scm-type-grid { grid-template-columns: 1fr 1fr; }
  .series-cmt-modal { max-height: 95vh; border-radius: 16px 16px 0 0; }
  .series-action-btn__label { font-size: 12px; }
}