/* === Layout & Color Variables === */
:root {
  --page-px: 5%;
  --method-px: 5%;
  --color-primary: #0869ad;
  --color-primary-mid: #08609f;
  --color-primary-dark: #0c3451;
  --color-indigo: #303570;
  --color-text: #03365a;
  --color-bg-light: #f0f7fc;
  --color-border: #b4d5ed;
}

@media (min-width: 640px) {
  :root {
    --page-px: 7%;
    --method-px: 11%;
  }
}

@media (min-width: 1024px) {
  :root {
    --page-px: 8%;
    --method-px: 15%;
  }
}

@media (min-width: 1280px) {
  :root {
    --page-px: 10%;
    --method-px: 19%;
  }
}

html {
  scroll-behavior: smooth;
}

/* === Reusable Gradients === */
.text-gradient-title {
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    var(--color-primary-dark) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bg-gradient-primary {
  background: linear-gradient(
    170deg,
    var(--color-primary) 0%,
    var(--color-indigo) 100%
  );
}

.bg-gradient-icon {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-indigo) 100%
  );
}

.bg-card-fade {
  background: linear-gradient(
    90deg,
    var(--color-border) 0%,
    rgba(239, 246, 252, 0) 100%
  );
}

.bg-accent-bar {
  background: linear-gradient(270deg, #eff6fc 0%, #b4d5ed 100%);
}

.bg-highlight-card {
  background: linear-gradient(180deg, #f0f7fc 0%, #b3d4ed 100%);
}

.bg-author-backdrop {
  background: linear-gradient(180deg, #b4d5ed 0%, rgba(239, 246, 252, 0) 88%);
}

.author-ring {
  border: 1px solid #b3d4ec;
  -webkit-mask-image: linear-gradient(180deg, #000 35%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 35%, transparent 92%);
}

.bg-author-fade {
  background: linear-gradient(180deg, rgba(240, 247, 252, 0) 0%, #f0f7fc 100%);
}

#reviews {
  --review-w: 76vw;
  --review-gap: 24px;
}

@media (min-width: 640px) {
  #reviews {
    --review-w: 60vw;
    --review-gap: 36px;
  }
}

@media (min-width: 1024px) {
  #reviews {
    --review-w: 38.6vw;
    --review-gap: 4.6vw;
  }
}

.bg-books-roadmap {
  background:
    url("asset/image/wave.svg") 50% 3.75vw / 100% auto no-repeat,
    linear-gradient(180deg, #0a75c2 0%, #2e3672 100%);
}

.bg-dictionary-card {
  container-type: inline-size;
  border-radius: min(50px, 3.26cqw);
  background:
    url("asset/image/wave-2.svg") right center / auto 100% no-repeat,
    linear-gradient(180deg, #0a75c2 0%, #2e3672 100%);
}

.dict-photo-frame {
  border-radius: min(34px, 2.22cqw);
}

.dict-item {
  gap: 1.5cqw;
}

.dict-icon-box {
  width: 3.68cqw;
  height: 3.68cqw;
  border-radius: min(11px, 0.72cqw);
}

.dict-item-title {
  font-size: 1.34cqw;
  line-height: 1.28;
}

.dict-item-desc {
  margin-top: 0.22cqw;
  font-size: 1.12cqw;
  line-height: 1.38;
}

.method-steps-wrap {
  container-type: inline-size;
}

.method-steps-grid {
  padding-inline: 1.25cqw;
  column-gap: 3.55cqw;
  row-gap: 1.78cqw;
}

.method-step-plate {
  width: 85.1%;
  height: 93.6%;
  border-radius: min(32px, 3.56cqw);
  background-color: #1c5599;
}

.method-step-plate-tl {
  left: -1.22cqw;
  top: -1.11cqw;
}

.method-step-plate-tr {
  right: -1.22cqw;
  top: -1.11cqw;
}

.method-step-plate-bl {
  left: -1.22cqw;
  bottom: -1.11cqw;
}

.method-step-plate-br {
  right: -1.22cqw;
  bottom: -1.11cqw;
}

.method-step-card {
  min-height: clamp(80px, 18.5cqw, 220px);
  border-radius: min(35px, 3.89cqw);
  box-shadow: 0 4px 4px 0 rgba(2, 47, 85, 0.25);
}

.method-step-card-top-l {
  padding: 3.8cqw 2.67cqw max(26px, 2.89cqw) 3.55cqw;
}

.method-step-card-top-r {
  padding: 3.8cqw 3cqw max(26px, 2.89cqw) 2.67cqw;
}

.method-step-card-bot-l {
  padding: 4cqw 2.67cqw max(10px, 2.89cqw) 3.55cqw;
}

.method-step-card-bot-r {
  padding: 4cqw 3cqw max(10px, 2.89cqw) 2.67cqw;
}

.method-step-row {
  gap: 1cqw;
}

.method-step-badge {
  width: clamp(17px, 3.7cqw, 44px);
  height: clamp(17px, 3.7cqw, 44px);
  border-radius: clamp(4.5px, 1cqw, 9px);
  font-size: clamp(9.5px, 2.1cqw, 25px);
}

.method-step-text {
  padding-top: 0.35cqw;
}

.method-step-title {
  font-size: clamp(9.5px, 2.1cqw, 25px);
  line-height: 1.24;
}

.method-step-desc {
  margin-top: clamp(3px, 1.05cqw, 12px);
  font-size: clamp(8px, 1.72cqw, 20.5px);
  line-height: 1.36;
}

.method-step-desc-l {
  max-width: max(116px, 31.1cqw);
}

.method-step-desc-r {
  max-width: max(108px, 28.3cqw);
}

.method-step-corner {
  width: 11.11cqw;
  height: 7.33cqw;
  background-color: #1c5599;
}

.method-step-corner-tl {
  border-top-left-radius: min(32px, 3.56cqw);
}

.method-step-corner-tr {
  border-top-right-radius: min(32px, 3.56cqw);
}

.method-step-corner-bl {
  border-bottom-left-radius: min(32px, 3.56cqw);
}

.method-step-corner-br {
  border-bottom-right-radius: min(32px, 3.56cqw);
}

.book-card {
  container-type: inline-size;
}

.book-card-shell {
  border-radius: 20px;
}

.book-card-cover {
  top: 22px;
}

.book-card-spacer {
  aspect-ratio: 426 / 301;
}

.bg-book-card-glass {
  border-top-right-radius: 14px;
  padding: 14px 10px 14px 12px;
}

.book-card-title {
  font-size: 14px;
  line-height: 1.1;
}

.book-card-vocab {
  margin-top: 3px;
  font-size: 11.5px;
  line-height: 1.22;
}

.book-card-bullets {
  margin-top: 10px;
  padding-left: 14px;
  font-size: 11px;
  line-height: 1.46;
}

@supports (font-size: 1cqw) {
  .book-card-shell {
    border-radius: clamp(18px, 8.68cqw, 37px);
  }

  .book-card-cover {
    top: 13.38cqw;
  }

  .bg-book-card-glass {
    border-top-right-radius: clamp(13px, 5.63cqw, 24px);
    padding: 7.75cqw 5.16cqw 7.75cqw 6.81cqw;
  }

  .book-card-title {
    font-size: clamp(14px, 6.95cqw, 30px);
    line-height: 1.08;
  }

  .book-card-vocab {
    margin-top: 0.7cqw;
    font-size: clamp(11.5px, 5.55cqw, 24px);
    line-height: 1.22;
  }

  .book-card-bullets {
    margin-top: 5.5cqw;
    padding-left: 6.8cqw;
    font-size: clamp(10.5px, 4.34cqw, 18.5px);
    line-height: 1.44;
  }

  @media (min-width: 640px) {
    .book-card-bullets {
      margin-top: 6.1cqw;
      padding-left: 6.5cqw;
      line-height: 1.56;
    }
  }
}

.bg-book-card-glass::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 1px;
  bottom: 1.5px;
  border-top-right-radius: inherit;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  pointer-events: none;
}

.bg-book-card-glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-top-right-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(0, 91, 154, 0.65) 0%,
    rgba(22, 127, 201, 0.8) 100%
  );
  pointer-events: none;
}

.btn-book-preview {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid #f5f5f5;
  color: #ffffff;
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.btn-book-preview:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: var(--color-primary);
}

/* === Register & Countdown Section === */
.bg-register-section {
  background: linear-gradient(180deg, #0a75c2 0%, #2e3672 100%);
}

.countdown-box {
  background: linear-gradient(
    130.8deg,
    rgba(255, 255, 255, 0.05) 2.15%,
    rgba(255, 255, 255, 0.2) 98.28%
  );
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 12px;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

/* === Reusable Dropdown Select Utility === */
.dropdown-select {
  position: relative;
  width: 100%;
}

.dropdown-select-trigger {
  width: 100%;
  height: 42px;
  border-radius: 8px;
  border: 1px solid #d4d4d4;
  background-color: #ffffff;
  padding: 0 38px 0 14px;
  font-size: 15px;
  font-weight: 500;
  color: #171717;
  display: flex;
  align-items: center;
  text-align: left;
  cursor: pointer;
  outline: none;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.dropdown-select-trigger:hover {
  border-color: #a3a3a3;
}

.dropdown-select-trigger:focus-visible,
.dropdown-select.is-open .dropdown-select-trigger {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(8, 105, 173, 0.12);
}

.dropdown-select.is-invalid .dropdown-select-trigger {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.dropdown-select-trigger {
  gap: 6px;
  justify-content: flex-start;
}

.dropdown-select-label {
  flex: 0 1 auto;
  min-width: 0;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-select-label.is-placeholder {
  color: #737373;
  font-weight: 400;
}

.dropdown-select-count {
  flex-shrink: 0;
  height: 22px;
  padding: 0 8px;
  border-radius: 6px;
  border: none;
  background-color: #efefef;
  color: #525252;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dropdown-select-count[hidden] {
  display: none;
}

.dropdown-select-chevron {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: #a3a3a3;
  pointer-events: none;
  transition:
    transform 0.2s ease,
    color 0.2s ease;
}

.dropdown-select.is-open .dropdown-select-chevron {
  transform: translateY(-50%) rotate(180deg);
  color: var(--color-primary);
}

.dropdown-select-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 40;
  max-height: 224px;
  overflow-y: auto;
  padding: 6px;
  border-radius: 12px;
  border: 1px solid #e5e5e5;
  background-color: #ffffff;
  box-shadow:
    0 12px 32px rgba(6, 28, 69, 0.14),
    0 2px 6px rgba(6, 28, 69, 0.06);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  pointer-events: none;
  transition:
    opacity 0.16s ease,
    transform 0.16s ease,
    visibility 0.16s ease;
}

.dropdown-select.is-open .dropdown-select-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-select-menu::-webkit-scrollbar {
  width: 6px;
}

.dropdown-select-menu::-webkit-scrollbar-thumb {
  background-color: #d4d4d4;
  border-radius: 9999px;
}

.dropdown-select-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.4;
  color: #262626;
  text-align: left;
  cursor: pointer;
  transition:
    background-color 0.14s ease,
    color 0.14s ease;
}

.dropdown-select-option + .dropdown-select-option {
  margin-top: 2px;
}

.dropdown-select-option:hover,
.dropdown-select-option.is-focused {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
}

.dropdown-select-option.is-selected {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 600;
}

.dropdown-select-check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
  opacity: 0;
  transition: opacity 0.14s ease;
}

.dropdown-select-option.is-selected .dropdown-select-check {
  opacity: 1;
}

.dropdown-select.is-multiple .dropdown-select-option {
  justify-content: flex-start;
}

.dropdown-select-checkbox {
  width: 17px;
  height: 17px;
  border-radius: 5px;
  border: 1.5px solid #c4c4c4;
  background-color: #ffffff;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    background-color 0.14s ease,
    border-color 0.14s ease;
}

.dropdown-select-option:hover .dropdown-select-checkbox,
.dropdown-select-option.is-focused .dropdown-select-checkbox {
  border-color: var(--color-primary);
}

.dropdown-select-option.is-selected .dropdown-select-checkbox {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.dropdown-select-checkbox svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  transition: opacity 0.14s ease;
}

.dropdown-select-option.is-selected .dropdown-select-checkbox svg {
  opacity: 1;
}

/* === Toast Notification === */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  max-width: 400px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #e5e5e5;
  background-color: #ffffff;
  box-shadow:
    0 14px 36px rgba(6, 28, 69, 0.16),
    0 2px 8px rgba(6, 28, 69, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
  transition:
    opacity 0.22s ease,
    transform 0.22s ease;
}

.toast-item.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast-icon {
  width: 28px;
  height: 28px;
  border-radius: 9999px;
  background-color: #dcfce7;
  color: #16a34a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast-icon.is-error {
  background-color: #fee2e2;
  color: #dc2626;
}

.toast-message {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.45;
  color: #171717;
}

.toast-close {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  color: #a3a3a3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.toast-close:hover {
  background-color: #f5f5f5;
  color: #525252;
}

@media (max-width: 639px) {
  .toast-container {
    top: 16px;
    left: 16px;
    right: 16px;
    align-items: stretch;
  }

  .toast-item {
    max-width: none;
  }
}

.bg-home-badge {
  background: rgba(6, 50, 101, 0.78);
  -webkit-backdrop-filter: blur(33.04px);
  backdrop-filter: blur(33.04px);
}

.bg-home-badge::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 0.86px solid transparent;
  background: linear-gradient(
      65.84deg,
      #ffffff 25.99%,
      rgba(0, 46, 57, 0) 41.99%,
      #ffffff 55.32%,
      rgba(0, 46, 57, 0) 68.06%,
      #ffffff 84.66%
    )
    border-box;
  -webkit-mask:
    linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0) border-box;
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0) border-box;
  mask-composite: exclude;
  opacity: 0.78;
  pointer-events: none;
}

/* === Home Section Background === */
.home-section {
  background: url("asset/image/home-bg.png") 42% 100% / 105% 103% no-repeat;
}

.home-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.9) 0%,
    transparent 50%
  );
  pointer-events: none;
}

@media (max-width: 1023px) {
  .home-section {
    background: linear-gradient(180deg, #f4f9ff 0%, #cde5fc 55%, #e5f2ff 100%);
  }

  .home-section::before {
    display: none;
  }

  .home-books-mobile::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("asset/image/home-bg.png") 90% bottom / 182% auto no-repeat;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 18%);
    mask-image: linear-gradient(to bottom, transparent 0%, #000 18%);
    pointer-events: none;
  }
}

/* === Book Preview Reader === */
body.is-preview-open {
  overflow: hidden;
}

.book-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 9500;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: #e9ecf1;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    visibility 0.18s ease;
}

.book-preview-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.reader-bar {
  flex-shrink: 0;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 16px;
  background: #ffffff;
  border-bottom: 1px solid #dde1e8;
}

.reader-title-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.reader-title {
  font-size: 15px;
  font-weight: 600;
  color: #171717;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reader-vocab {
  font-size: 13px;
  color: #737373;
  white-space: nowrap;
}

.reader-pager {
  display: flex;
  align-items: center;
  gap: 4px;
}

.reader-page-info {
  min-width: 112px;
  text-align: center;
  font-size: 13.5px;
  font-weight: 500;
  color: #404040;
  font-variant-numeric: tabular-nums;
}

.reader-actions {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.reader-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #404040;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.reader-icon-btn:hover:not(:disabled) {
  background: #eef0f4;
  color: #171717;
}

.reader-icon-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.reader-cta {
  height: 36px;
  margin: 0 6px 0 4px;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.reader-cta:hover {
  opacity: 0.88;
}

.reader-body {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.book-preview-stage-scroll {
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.book-preview-stage {
  position: relative;
  width: 100%;
  height: 100%;
  flex-shrink: 0;
}

.flipbook-instance.stf__parent {
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  min-height: 0 !important;
}

.flipbook-instance .stf__wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  padding-bottom: 0 !important;
}

.flipbook-page {
  background-color: #ffffff;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.flipbook-page-inner {
  position: relative;
  width: 100%;
  height: 100%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flipbook-page-placeholder {
  font-size: 13px;
  color: #a3a3a3;
}

.flipbook-page.is-loaded .flipbook-page-placeholder {
  display: none;
}

.flipbook-page-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background-color: #ffffff;
  display: block;
  pointer-events: none;
  -webkit-user-drag: none;
  opacity: 0;
}

.flipbook-page.is-loaded .flipbook-page-img {
  opacity: 1;
}

.stf__wrapper.--landscape .flipbook-page[data-side="left"]::after,
.stf__wrapper.--landscape
  .flipbook-page[data-side="right"]:not([data-page-num="1"])::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

.stf__wrapper.--landscape .flipbook-page[data-side="left"]::after {
  background: linear-gradient(
    to left,
    rgba(0, 0, 0, 0.12) 0%,
    rgba(0, 0, 0, 0.03) 4%,
    transparent 10%
  );
}

.stf__wrapper.--landscape
  .flipbook-page[data-side="right"]:not([data-page-num="1"])::after {
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.12) 0%,
    rgba(0, 0, 0, 0.03) 4%,
    transparent 10%
  );
}

.book-preview-loading {
  position: absolute;
  inset: 0;
  z-index: 20;
  background: #e9ecf1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
}

.book-preview-loading[hidden] {
  display: none;
}

.book-preview-spinner {
  width: 30px;
  height: 30px;
  border-radius: 9999px;
  border: 3px solid #d4d9e1;
  border-top-color: var(--color-primary);
  animation: preview-spin 0.75s linear infinite;
}

.book-preview-loading.is-error .book-preview-spinner {
  display: none;
}

@keyframes preview-spin {
  to {
    transform: rotate(360deg);
  }
}

.book-preview-loading-text {
  color: #525252;
  font-size: 14px;
}

.book-preview-retry {
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 639px) {
  .reader-bar {
    height: 52px;
    gap: 8px;
    padding: 0 8px;
  }

  .reader-title-wrap {
    display: none;
  }

  .reader-pager {
    flex: 1;
    justify-content: flex-start;
  }

  .reader-page-info {
    min-width: 96px;
    font-size: 13px;
  }

  .reader-cta {
    padding: 0 12px;
    font-size: 13px;
  }

  .book-preview-stage-scroll {
    padding: 10px;
  }
}

/* === Register form submitting state === */
#register-form button[type="submit"].is-submitting {
  opacity: 0.7;
  cursor: progress;
}