/* ─── twl-chapter-reader-shell.css ───────────────────────────────────────── */
/* Scoped layout shell, content paper, navigation, and floating button stack. */

:root {
  --chapter-reader-footer-bg: var(--Background-Brand-subtle, #fff3f0);
}

body.chapter-reader-page .chapter-reader {
  --chapter-bg: var(--chapter-reader-footer-bg);
  --chapter-paper: var(--Base-bg-base, #ffffff);
  --chapter-surface: var(--Base-bg-raised, #ffffff);
  --chapter-surface-muted: var(--chapter-reader-footer-bg);
  --chapter-border: var(--Border-Neutral-default, #cacbce);
  --chapter-border-soft: var(--Border-Neutral-subtle, #e4e5e7);
  --chapter-brand: var(--Background-Brand-default, #ff775f);
  --chapter-brand-strong: var(--Text-Brand-default, #e85d45);
  --chapter-text: var(--Text-Neutral-primary, #070708);
  --chapter-text-secondary: var(--Text-Neutral-secondary, #44464b);
  --chapter-text-muted: var(--Text-Neutral-tertiary, #6d7078);
  --chapter-text-disabled: var(--Text-Neutral-disabled, #9a9da2);

  --chapter-content-font: 'MN Paethai', 'MNPaethai-Med-T', sans-serif;
  --chapter-content-size: 20px;
  --chapter-content-line: 42px;
  /* Reading-background theme (ปรับแต่งการอ่าน) — scoped to chapter paper only */
  --chapter-content-paper: var(--chapter-paper);
  --chapter-content-text: var(--chapter-text);
  --chapter-content-border-soft: var(--chapter-border-soft);

  background-color: var(--chapter-bg);
  color: var(--chapter-text);
  min-height: 100vh;
  padding-bottom: 48px;
  font-family: var(--Body-font-family, "Bai Jamjuree", sans-serif);
}

/* Figma chapter reader: Background/Brand/subtle bleeds through main + footer (footer is outside #main-body) */
body.chapter-reader-page,
body.chapter-reader-page #main-body,
body.body-bg-color,
#main-body.body-bg-color {
  background-color: var(--chapter-reader-footer-bg, #fff3f0) !important;
}

body.chapter-reader-page footer.home-footer {
  background-color: var(--chapter-reader-footer-bg, #fff3f0) !important;
}

.chapter-reader .container {
  max-width: 956px;
  padding-left: 0;
  padding-right: 0;
}

/* Paper Content Layout */
.chapter-reader-paper {
  background-color: var(--chapter-content-paper, var(--chapter-paper));
  border-radius: 0;
  padding: 48px 96px;
  box-shadow: none;
  margin-bottom: 24px;
}

.chapter-reader-paper.chapter-theme .chapter-reader-paper__title {
  border-bottom-color: var(--chapter-content-border-soft, var(--chapter-border-soft));
}

.chapter-reader-paper.chapter-theme .chapter-reader-paper__title h3,
.chapter-reader-paper.chapter-theme .chapter-reader-content {
  color: var(--chapter-content-text, var(--chapter-text));
}

@media (max-width: 991px) {
  .chapter-reader .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 767px) {
  .chapter-reader-paper {
    padding: 32px 16px;
  }
}

.chapter-reader-paper__title {
  text-align: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--chapter-border-soft);
  margin-bottom: 32px;
}

.chapter-reader-paper__title h3 {
  font-family: var(--Title-Page-font-family, "DB HelvethaicaMon X", sans-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--chapter-text);
  margin: 0;
}

.chapter-reader-content {
  font-family: var(--chapter-content-font);
  font-size: var(--chapter-content-size);
  line-height: var(--chapter-content-line);
  color: var(--chapter-text);
  word-break: break-word;
}

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

.chapter-reader-content img {
  max-width: 100%;
  height: auto !important;
  border-radius: 8px;
  margin: 16px 0;
}

/* Prev/Next controls layout — Figma Frame 1321316520 (1112:263702) */
.chapter-reader-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 48px;
}

.chapter-reader-nav .twl-btn-primary,
.chapter-reader-nav .twl-btn-secondary {
  font-family: var(--Action-font-family, "DB HelvethaicaMon X", sans-serif);
  gap: 8px;
  min-height: 44px;
  line-height: 1;
  white-space: nowrap;
}

.chapter-reader-nav .twl-btn-secondary {
  background-color: transparent;
}

.chapter-reader-nav .twl-btn-secondary:hover,
.chapter-reader-nav .twl-btn-secondary:focus-visible {
  background-color: transparent;
  color: var(--Text-Brand-default, #e85d45);
  border-color: var(--Border-Brand-default, #ff775f);
}

.chapter-reader-nav .chapter-nav-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: block;
}

.chapter-reader-nav #btnPrevChapter {
  min-width: 154px;
}

.chapter-reader-nav a.twl-btn-secondary.d-none.d-sm-inline-flex {
  min-width: 126px;
}

.chapter-reader-nav #btnNextChapter {
  min-width: 134px;
}

.chapter-reader .d-block.d-sm-none .twl-btn-secondary {
  background-color: transparent;
  font-family: var(--Action-font-family, "DB HelvethaicaMon X", sans-serif);
  gap: 8px;
  min-height: 44px;
}

.chapter-reader .d-block.d-sm-none .twl-btn-secondary:hover,
.chapter-reader .d-block.d-sm-none .twl-btn-secondary:focus-visible {
  background-color: transparent;
}

@media (max-width: 575px) {
  .chapter-reader-nav {
    flex-direction: column;
    gap: 8px;
  }
  .chapter-reader-nav .twl-btn-primary,
  .chapter-reader-nav .twl-btn-secondary {
    width: 100% !important;
  }
}

/* Floating controls launcher stack */
.chapter-reader-floating {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
}

.chapter-reader-floating ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chapter-reader-floating li {
  width: 44px;
  height: 44px;
  border-radius: var(--twl-radius-full, 999px);
  background-color: var(--chapter-surface);
  border: 1px solid var(--chapter-border-soft);
  box-shadow: var(--twl-elevation-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.chapter-reader-floating li:hover {
  background-color: var(--chapter-surface-muted);
  border-color: var(--chapter-border);
}

.chapter-reader-floating li a {
  color: var(--chapter-text);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  font-size: 20px;
}

/* Reader drawers: scrollable but no visible scrollbar */
.chapter-reader-drawer-settings,
.chapter-reader-drawer-toc {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.chapter-reader-drawer-settings::-webkit-scrollbar,
.chapter-reader-drawer-toc::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.chapter-reader-drawer-toc #tbChapter_wrapper .dataTables_scrollBody {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.chapter-reader-drawer-toc #tbChapter_wrapper .dataTables_scrollBody::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

/* Shared close — single .btn-close element; hit target = visible icon */
.chapter-reader-drawer-top {
  position: relative;
  flex: 0 0 auto;
}

.chapter-reader-drawer-close.btn-close {
  position: absolute;
  top: 2px;
  right: 0;
  z-index: 5;
  display: block;
  width: 24px;
  height: 24px;
  padding: 0 !important;
  margin: 0 !important;
  opacity: 1;
  background-size: 16px;
  background-position: center;
  box-sizing: border-box;
  float: none;
  flex: none;
}

.chapter-reader-drawer-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.chapter-reader-drawer-body::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.chapter-reader-drawer-settings,
.chapter-reader-drawer-toc {
  position: fixed;
  display: flex;
  flex-direction: column;
}

/* ─── Drawer height collapse (smooth; content hidden while height animates) ─── */
#toggleGroup .chapter-reader-drawer-toc.collapsing,
#toggleGroup .chapter-reader-drawer-settings.collapsing {
  overflow: hidden !important;
  transition: height 0.34s cubic-bezier(0.33, 1, 0.68, 1) !important;
}

#toggleGroup .chapter-reader-drawer-toc.collapsing #tbChapter_wrapper,
#toggleGroup .chapter-reader-drawer-settings.collapsing .chapter-reader-drawer-body {
  opacity: 0;
  pointer-events: none;
}

#toggleGroup .chapter-reader-drawer-toc.show:not(.collapsing) #tbChapter_wrapper,
#toggleGroup .chapter-reader-drawer-settings.show:not(.collapsing) .chapter-reader-drawer-body {
  opacity: 1;
  pointer-events: auto;
}

/* Chapter-only compatibility for AJAX paywall content and shared modals. */
.chapter-reader .chapter-purchase-shell {
  margin-bottom: 60px;
  padding-top: 8px;
}

.chapter-reader .chapter-purchase-loading {
  display: flex;
  min-height: 320px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--chapter-text-secondary, var(--Text-Neutral-secondary, #44464b));
  font-family: var(--Body-font-family, "Bai Jamjuree", sans-serif);
  font-size: var(--Body-font-size-md, 14px);
  line-height: var(--Body-font-line-height-md, 21px);
}

.chapter-reader .chapter-purchase-loading .spinner-border {
  width: 24px;
  height: 24px;
  border-width: 2px;
  color: var(--Icon-Brand-default, #e85d45);
}

.chapter-reader #chapterPurchase,
.chapter-reader .modal,
body.chapter-reader-page #addToLibraryModal {
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708));
  font-family: var(--Body-font-family, "Bai Jamjuree", sans-serif);
}

.chapter-reader #chapterPurchase .modal-content,
.chapter-reader .modal .modal-content,
body.chapter-reader-page #addToLibraryModal .modal-content {
  background-color: var(--chapter-surface, var(--Base-bg-raised, #ffffff));
  border: 1px solid var(--chapter-border-soft, var(--Border-Neutral-subtle, #e4e5e7));
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708));
}

.chapter-reader #chapterPurchase .modal-info-title,
.chapter-reader .modal .modal-info-title,
body.chapter-reader-page #addToLibraryModal .modal-info-title {
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708)) !important;
  font-family: var(--Title-Page-font-family, "DB HelvethaicaMon X", sans-serif) !important;
  font-size: var(--Title-Page-font-size-lg, 32px) !important;
  font-weight: 700 !important;
  line-height: 1 !important;
}

.chapter-reader #chapterPurchase :is(p, label, .purchase-chapter-name, .purchase-chapter-writer, .user-current-coin),
.chapter-reader .modal :is(.modal-info-message, .checkboxes-label, .form-control),
body.chapter-reader-page #addToLibraryModal .modal-info-message {
  font-family: var(--Body-font-family, "Bai Jamjuree", sans-serif) !important;
}

.chapter-reader #chapterPurchase :is(.menu-text, #package-header, .sub-header),
.chapter-reader .modal .dropdown-menu-text,
.chapter-reader .modal .med-16-black {
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708)) !important;
  font-family: var(--Action-font-family, "DB HelvethaicaMon X", sans-serif) !important;
  font-size: var(--Action-font-size-lg, 20px) !important;
  font-weight: 500 !important;
  line-height: normal !important;
}

.chapter-reader #chapterPurchase .purchase-chapter-name {
  color: var(--chapter-text-secondary, var(--Text-Neutral-secondary, #44464b)) !important;
  font-size: var(--Body-font-size-lg, 16px);
  line-height: var(--Body-font-line-height-lg, 24px);
}

.chapter-reader #chapterPurchase .user-current-coin {
  align-items: center;
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708));
  font-family: var(--Action-font-family, "DB HelvethaicaMon X", sans-serif) !important;
  font-size: var(--Action-font-size-lg, 20px);
  line-height: normal;
  padding-top: 0;
}

.chapter-reader #chapterPurchase .user-current-coin > span {
  align-items: center;
  padding-bottom: 0 !important;
}

.chapter-reader #chapterPurchase .user-current-coin img {
  margin-top: 0 !important;
}

.chapter-reader #chapterPurchase :is(.purchase-chapter-writer, .text-line-through) {
  color: var(--chapter-text-muted, var(--Text-Neutral-tertiary, #6d7078)) !important;
  font-size: var(--Body-font-size-md, 14px);
  line-height: var(--Body-font-line-height-md, 21px);
}

.chapter-reader #chapterPurchase .chapter-purchase-body > .col-12.g-0:not(.row) {
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708)) !important;
  font-family: var(--Action-font-family, "DB HelvethaicaMon X", sans-serif) !important;
  font-size: var(--Action-font-size-md, 16px) !important;
  font-weight: 700;
  line-height: normal;
}

.chapter-reader #chapterPurchase :is(.donate-box, .package-purchase, .key-purchase-section, .coin-purchase-section) {
  background-color: var(--chapter-surface, var(--Base-bg-base, #ffffff)) !important;
  border-color: var(--chapter-border-soft, var(--Border-Neutral-subtle, #e4e5e7)) !important;
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708)) !important;
}

.chapter-reader #chapterPurchase .package-purchase {
  background-color: var(--Background-Brand-subtle, #fff3f0) !important;
}

.chapter-reader #chapterPurchase .purchase-choice-input + label {
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.chapter-reader #chapterPurchase .purchase-choice-input:not(:checked):not(:disabled) + label:hover {
  background-color: var(--Background-Brand-subtle, #fff3f0) !important;
  border-color: var(--Border-Brand-hover, #e85d45) !important;
}

.chapter-reader #chapterPurchase .purchase-choice-input:not(:disabled) + label:active {
  background-color: var(--Background-Brand-subtle-active, #ffe0d9) !important;
  border-color: var(--Border-Brand-active, #c04528) !important;
}

.chapter-reader #chapterPurchase .purchase-choice-input:checked + label,
.chapter-reader #donateChapterModal .donate-writer[style] {
  background-color: var(--Background-Brand-subtle-active, #ffe0d9) !important;
  border-color: var(--Border-Brand-default, #ff775f) !important;
}

.chapter-reader #chapterPurchase .purchase-choice-input:focus-visible + label {
  border-color: var(--Border-Brand-focus, #e85d45) !important;
  box-shadow: 0 0 0 3px var(--Background-Brand-subtle, #fff3f0) !important;
  outline: none;
}

.chapter-reader #chapterPurchase :is(.purchase-choice-input:disabled + label, .donate-box.disabled) {
  background-color: var(--Background-Neutral-tertiary, #f2f2f3) !important;
  border-color: var(--chapter-border-soft, var(--Border-Neutral-subtle, #e4e5e7)) !important;
  color: var(--chapter-text-disabled, var(--Text-Neutral-disabled, #9a9da2)) !important;
  cursor: not-allowed !important;
}

.chapter-reader #chapterPurchase :is(.purchase-choice-input:disabled + label, .donate-box.disabled) .menu-text {
  color: var(--chapter-text-disabled, var(--Text-Neutral-disabled, #9a9da2)) !important;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-coin, .btn-discount-coin),
.chapter-reader #chapterPurchase :is(#btnPurchaseSubmit, #btnConfirmPurchaseSubmit),
.chapter-reader .modal .btn-tunwalai,
body.chapter-reader-page #addToLibraryModal .btn-tunwalai {
  background-color: var(--Background-Brand-default, #ff775f) !important;
  border-color: var(--Border-Brand-default, #ff775f) !important;
  color: var(--Text-Static-white, #ffffff) !important;
  font-family: var(--Action-font-family, "DB HelvethaicaMon X", sans-serif) !important;
  font-size: var(--Action-font-size-lg, 20px);
  font-weight: 700;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-coin, .btn-discount-coin):hover,
.chapter-reader #chapterPurchase :is(#btnPurchaseSubmit, #btnConfirmPurchaseSubmit):hover,
.chapter-reader .modal .btn-tunwalai:hover,
body.chapter-reader-page #addToLibraryModal .btn-tunwalai:hover {
  background-color: var(--Background-Brand-hover, #e85d45) !important;
  border-color: var(--Border-Brand-hover, #e85d45) !important;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-coin, .btn-discount-coin):active:not(:disabled),
.chapter-reader #chapterPurchase :is(#btnPurchaseSubmit, #btnConfirmPurchaseSubmit):active:not(:disabled),
.chapter-reader .modal .btn-tunwalai:active:not(:disabled),
body.chapter-reader-page #addToLibraryModal .btn-tunwalai:active:not(:disabled) {
  background-color: var(--Background-Brand-active, #c04528) !important;
  border-color: var(--Border-Brand-active, #c04528) !important;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-coin, .btn-discount-coin):focus-visible,
.chapter-reader #chapterPurchase :is(#btnPurchaseSubmit, #btnConfirmPurchaseSubmit):focus-visible,
.chapter-reader .modal .btn-tunwalai:focus-visible,
body.chapter-reader-page #addToLibraryModal .btn-tunwalai:focus-visible {
  background-color: var(--Background-Brand-active, #c04528) !important;
  border-color: var(--Border-Brand-focus, #e85d45) !important;
  box-shadow: 0 0 0 3px var(--Background-Brand-subtle, #fff3f0) !important;
  outline: none;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-coin, .btn-discount-coin):disabled,
.chapter-reader #chapterPurchase :is(#btnPurchaseSubmit, #btnConfirmPurchaseSubmit):disabled,
.chapter-reader .modal .btn-tunwalai:disabled,
body.chapter-reader-page #addToLibraryModal .btn-tunwalai:disabled {
  background-color: var(--Background-Brand-disabled, #ffc4b6) !important;
  border-color: var(--Border-Brand-disabled, #ffc4b6) !important;
  color: var(--Text-Brand-on-brand-disabled, #ff8e76) !important;
  cursor: not-allowed;
  opacity: 1;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-key, .discount-tag),
.chapter-reader .modal .btn-tunwalai-outline,
body.chapter-reader-page #addToLibraryModal .btn-tunwalai-outline {
  background-color: transparent !important;
  border-color: var(--Border-Brand-default, #ff775f) !important;
  color: var(--Text-Brand-default, #e85d45) !important;
  font-family: var(--Action-font-family, "DB HelvethaicaMon X", sans-serif) !important;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-key, .discount-tag):hover,
.chapter-reader .modal .btn-tunwalai-outline:hover,
body.chapter-reader-page #addToLibraryModal .btn-tunwalai-outline:hover {
  background-color: var(--Background-Brand-subtle, #fff3f0) !important;
  border-color: var(--Border-Brand-hover, #e85d45) !important;
  color: var(--Text-Brand-hover, #c04528) !important;
}

.chapter-reader #chapterPurchase :is(.btn-purchase-key, .discount-tag):focus-visible,
.chapter-reader .modal .btn-tunwalai-outline:focus-visible,
body.chapter-reader-page #addToLibraryModal .btn-tunwalai-outline:focus-visible {
  background-color: var(--Background-Brand-subtle, #fff3f0) !important;
  border-color: var(--Border-Brand-focus, #e85d45) !important;
  box-shadow: 0 0 0 3px var(--Background-Brand-subtle, #fff3f0) !important;
  outline: none;
}

.chapter-reader #chapterPurchase :is(#purchaseChapterErrorMsg, [style*="color:red"], [style*="--cherry-700"]) {
  color: var(--Text-Danger-default, #c72126) !important;
}

.chapter-reader .modal .form-control {
  background-color: var(--chapter-surface, var(--Base-bg-base, #ffffff)) !important;
  border-color: var(--chapter-border, var(--Border-Neutral-default, #cacbce)) !important;
  color: var(--chapter-text, var(--Text-Neutral-primary, #070708)) !important;
  font-family: var(--Body-font-family, "Bai Jamjuree", sans-serif) !important;
}

.chapter-reader .modal .form-control:focus {
  border-color: var(--Border-Brand-focus, #ff775f) !important;
  box-shadow: none !important;
}

.chapter-reader #shareModal .fa-link {
  background-color: var(--Background-Neutral-tertiary, #f2f2f3) !important;
  color: var(--Icon-Neutral-primary, #070708) !important;
}

.chapter-reader #donateChapterModal .donate-box {
  background-color: var(--chapter-surface, var(--Base-bg-base, #ffffff)) !important;
  border-color: var(--chapter-border-soft, var(--Border-Neutral-subtle, #e4e5e7)) !important;
}