.panel-title {
  margin-bottom: 8px;
}

.word-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  border: 1px solid var(--line);
}

.login-page .page-shell,
.login-page .container.single {
  gap: 18px;
}

.login-page .topbar {
  margin-bottom: 2px;
}

.auth-shell {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 18px;
}

.login-card {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 22px;
  align-items: stretch;
  padding: 24px;
}

.login-hero,
.auth-side-card {
  border-radius: var(--radius-xl);
  padding: 28px;
  display: grid;
  align-content: space-between;
  gap: 18px;
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.72), transparent 34%),
    linear-gradient(145deg, color-mix(in srgb, var(--primary-soft) 74%, white), color-mix(in srgb, var(--surface-strong) 94%, transparent));
  border: 1px solid var(--line);
}

.login-hero h2,
.auth-side-card h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.02;
}

.login-form,
.auth-form {
  align-content: center;
}

.login-links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.login-links a {
  padding: 6px 0;
}

.login-form-stack {
  display: grid;
  gap: 14px;
}

.remember-row input[type="checkbox"] {
  width: auto;
}

.profile-layout {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
}

.notice-banner {
  grid-column: 1 / -1;
}

.submit-layout {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
}

.typing-layout {
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.4fr);
}

.typing-main-card {
  display: grid;
  gap: 10px;
}

.typing-stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.typing-stats-grid .item {
  min-height: auto;
  padding: 8px 10px;
}

.typing-input {
  min-height: 200px;
  resize: vertical;
}

.typing-reference {
  border: 1px solid var(--line);
  background: var(--surface-weak);
  border-radius: var(--radius);
  padding: 10px;
  line-height: 1.75;
  white-space: pre-wrap;
  max-height: 280px;
  overflow: auto;
}

.typing-char.ok {
  color: var(--success);
}

.typing-char.bad {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.typing-char.current {
  background: color-mix(in srgb, var(--primary) 22%, transparent);
  border-radius: 4px;
}

.typing-article-item {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.typing-article-item.is-active {
  border-color: color-mix(in srgb, var(--primary) 58%, var(--line));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 30%, transparent);
}

.typing-article-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.home-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
}

.home-search-card,
.home-result-card {
  align-self: start;
}

.home-search-card {
  display: grid;
  gap: 12px;
}

.search-shell {
  display: grid;
  gap: 10px;
}

.home-title {
  max-width: 12ch;
}

.home-subtitle {
  max-width: 48ch;
}

.home-result-card .list {
  gap: 10px;
}

.home-highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.home-highlight {
  min-height: 112px;
}

.page-summary {
  display: grid;
  gap: 10px;
}

.page-summary .item {
  min-height: 100px;
}

.info-rail {
  display: grid;
  gap: 10px;
}

.share-card,
.privacy-card,
.empty-card {
  max-width: 920px;
}

.admin-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 10px;
}

.admin-rail {
  display: grid;
  gap: 10px;
}

#typingArticleList .item,
#articleLibrarySubmissionList .item,
#wordLibrarySubmissionList .item {
  padding: 8px 9px;
}

.typing-article-head-compact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.typing-article-action-wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.typing-start-btn {
  min-width: 104px;
  justify-content: center;
}

.typing-word-unit {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  vertical-align: bottom;
  margin: 0 1px;
}

.typing-word-reading {
  font-size: 0.68rem;
  line-height: 1;
  color: var(--muted);
  transform: scale(0.92);
  transform-origin: center bottom;
  white-space: nowrap;
  margin-bottom: 2px;
}

.typing-word-text {
  display: inline-flex;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}

.library-card-link {
  display: grid;
  gap: 4px;
  text-decoration: none;
  color: inherit;
}

.library-zone-layout {
  display: grid;
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
  gap: 12px;
  align-items: start;
}

.library-zone-hero {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.library-panel {
  min-height: 220px;
}

.library-list {
  display: grid;
  gap: 8px;
}

.library-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}

.library-row-main {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.library-row-main strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.library-empty {
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: 14px;
}

.activity-detail summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  cursor: pointer;
}

.activity-detail-body {
  display: grid;
  gap: 4px;
  margin-top: 8px;
}

#articleLibrarySubmitForm {
  gap: 8px;
}

.admin-main [data-admin-tab] {
  scroll-margin-top: 110px;
}

.import-form input[type="file"] {
  max-width: 100%;
}

@media (max-width: 1100px) {
  .auth-shell,
  .login-card,
  .profile-layout,
  .submit-layout,
  .typing-layout,
  .psd-like-grid,
  .home-grid,
  .admin-overview,
  .library-zone-layout {
    grid-template-columns: 1fr;
  }

  .library-zone-hero,
  .library-row {
    grid-template-columns: 1fr;
  }

  .library-row-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .psd-profile-hero {
    grid-template-columns: 152px minmax(0, 1fr);
  }

  .psd-profile-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }
}

@media (max-width: 760px) {
  .login-card,
  .login-hero,
  .auth-side-card {
    padding: 20px;
  }

  .home-highlight-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .login-links {
    justify-content: flex-start;
  }
}

/* Modern visual system. Keep functionality intact and use one current visual layer. */
body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.page {
  padding-top: 14px;
}

.topbar,
.container,
.admin-main,
.site-footer,
.psd-home-main,
.psd-profile-main {
  animation: modern-page-in 420ms ease both;
}

.topbar-brand,
.topbar > h1,
.card,
.item,
.psd-panel,
.psd-profile-card,
.psd-profile-other-panel,
.library-row,
.wordbook-card,
.detail-card,
.settings-block,
.site-popup-card {
  border-color: color-mix(in srgb, var(--line) 74%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 96%, transparent), color-mix(in srgb, var(--surface) 92%, transparent));
  box-shadow: 0 16px 42px rgba(23, 33, 43, 0.08);
  backdrop-filter: blur(18px);
}

.topbar-brand,
.topbar > h1 {
  min-height: 48px;
  border-radius: 18px;
  padding: 7px 16px;
}

.topbar-brand:hover,
.topbar > h1:hover,
.card:hover,
.psd-panel:hover,
.psd-profile-card:hover {
  border-color: color-mix(in srgb, var(--primary) 18%, var(--line));
}

.card,
.psd-panel,
.psd-profile-card,
.psd-profile-other-panel {
  border-radius: var(--radius-lg);
  padding: clamp(14px, 1.9vw, 22px);
}

.card::after,
.psd-panel::after,
.psd-profile-card::after,
.library-row::after,
.wordbook-card::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.34), transparent 32%),
    radial-gradient(circle at 92% 10%, color-mix(in srgb, var(--primary) 8%, transparent), transparent 28%);
}

.card > *,
.psd-panel > *,
.psd-profile-card > *,
.library-row > *,
.wordbook-card > * {
  position: relative;
  z-index: 1;
}

.btn,
.menu-toggle,
.psd-settings-link,
.wordbook-title-btn,
.wordbook-collection-tab,
.opened-route-chip,
.pill,
.badge {
  border-radius: 999px;
}

.btn,
.menu-toggle {
  min-height: 40px;
  border-color: color-mix(in srgb, var(--line) 84%, transparent);
  box-shadow: 0 8px 22px rgba(23, 33, 43, 0.06);
}

.btn:hover,
.menu-toggle:hover,
.wordbook-collection-tab:hover,
.library-row:hover,
.item:hover {
  transform: translateY(-2px);
}

.btn.primary,
.psd-search-submit,
.typing-start-btn {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 92%, white), color-mix(in srgb, var(--info) 58%, var(--primary-strong)));
  box-shadow: 0 16px 34px color-mix(in srgb, var(--primary) 24%, transparent);
}

.btn.ghost,
.menu-toggle,
.wordbook-collection-tab {
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
}

input,
select,
textarea {
  min-height: 42px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.menu-panel {
  top: calc(100% + 10px);
  min-width: 230px;
  border-radius: 18px;
  padding: 10px;
  background: color-mix(in srgb, var(--surface-strong) 94%, transparent);
  box-shadow: 0 24px 70px rgba(23, 33, 43, 0.16);
  backdrop-filter: blur(20px);
}

.menu-panel .btn {
  justify-content: flex-start;
  width: 100%;
}

.container,
.admin-main,
.content-grid,
.page-shell {
  gap: 12px;
}

.list,
.wordbook-list,
.library-list,
.library-grid,
.form-grid {
  gap: 10px;
}

.section-head,
.admin-row-head,
.wordbook-current-head,
.psd-panel-title-row {
  align-items: center;
}

.item,
.library-row,
.wordbook-card,
.detail-card,
.settings-block {
  border-radius: var(--radius-md);
  padding: 12px;
}

.library-row,
.wordbook-card,
.item {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.library-row:hover,
.wordbook-card:hover,
.item:hover {
  border-color: color-mix(in srgb, var(--primary) 22%, var(--line));
  box-shadow: 0 20px 46px rgba(23, 33, 43, 0.1);
}

.psd-home-page,
.psd-profile-page {
  background:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--primary) 13%, transparent), transparent 26%),
    radial-gradient(circle at 88% 8%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 25%),
    linear-gradient(135deg, var(--bg-soft), var(--bg));
}

.psd-home-main,
.psd-profile-main {
  width: var(--content-width);
  max-width: 1060px;
  display: grid;
  gap: 14px;
  margin: 18px auto 0;
}

.psd-search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(138px, 220px);
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: color-mix(in srgb, var(--surface-strong) 82%, transparent);
  box-shadow: 0 18px 50px rgba(23, 33, 43, 0.09);
  backdrop-filter: blur(18px);
}

.home-line-decoration {
  position: relative;
  min-height: clamp(78px, 11vw, 132px);
  margin: 0 0 4px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.home-line-decoration svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.home-line-decoration path {
  fill: none;
  stroke-linecap: round;
}

.home-line-decoration .line-main {
  stroke: color-mix(in srgb, var(--primary) 46%, var(--text));
  stroke-width: 2.2;
}

.home-line-decoration .line-soft {
  stroke: color-mix(in srgb, var(--muted) 34%, transparent);
  stroke-width: 1.4;
  stroke-dasharray: 8 12;
}

.home-line-decoration circle {
  fill: color-mix(in srgb, var(--primary) 42%, var(--surface-strong));
  opacity: 0.76;
}

.psd-search-input-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.psd-search-input-wrap input,
.psd-search-form select {
  height: 48px;
  border-radius: 18px;
}

.psd-search-submit {
  width: 48px;
  height: 48px;
  border-radius: 16px;
}

.psd-search-submit::before {
  width: 18px;
  height: 18px;
  border-width: 3px;
}

.psd-search-submit::after {
  width: 10px;
  height: 3px;
}

.psd-like-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.psd-like-grid article,
.psd-basic-list > div,
.psd-stats-grid > div {
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-strong) 74%, transparent);
  box-shadow: none;
}

.psd-like-list li {
  border-radius: 14px;
  background: color-mix(in srgb, var(--primary-soft) 55%, transparent);
}

.psd-profile-card {
  max-width: 980px;
  margin-inline: auto;
}

.psd-profile-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.psd-avatar-box {
  width: 88px;
  height: 88px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 16%, white), color-mix(in srgb, var(--accent) 13%, white));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 16px 38px rgba(23, 33, 43, 0.1);
}

.psd-profile-name h2 {
  font-size: clamp(24px, 4vw, 38px);
  letter-spacing: -0.04em;
}

.psd-profile-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.psd-info-panel {
  padding-top: 14px;
}

.psd-basic-list,
.psd-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.psd-stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.user-center-training {
  grid-column: 1 / -1;
}

.user-training-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.user-training-grid a {
  display: grid;
  gap: 6px;
  min-height: 86px;
  padding: 12px;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
}

.user-training-grid span {
  color: var(--muted);
  font-size: 13px;
}

.typing-focus-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.typing-focus-strip span {
  border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--line));
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--primary-strong);
  background: color-mix(in srgb, var(--primary-soft) 78%, transparent);
  font-size: 12px;
  font-weight: 800;
}

.psd-basic-list > div,
.psd-stats-grid > div {
  min-height: 48px;
  padding: 10px 12px;
}

.result-card {
  border-radius: var(--radius-md);
}

.result-card .result-title-row {
  align-items: center;
}

.typing-main-card,
.typing-reference,
.typing-input,
.wordbook-sidebar,
.wordbook-content {
  border-radius: var(--radius-lg);
}

.typing-reference,
.typing-input {
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
}

.site-footer {
  margin-top: 16px;
}

.site-footer-inner {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
}

@keyframes modern-page-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .psd-like-grid,
  .user-training-grid,
  .psd-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page {
    padding-top: 10px;
  }

  .topbar-brand,
  .topbar > h1 {
    min-height: 44px;
    padding: 6px 12px;
    border-radius: 16px;
  }

  .front-topbar .site-menu-toggle {
    width: 46px;
    min-width: 46px;
    height: 42px;
    border-radius: 15px;
  }

  .card,
  .psd-panel,
  .psd-profile-card,
  .psd-profile-other-panel {
    padding: 13px;
    border-radius: 20px;
  }

  .psd-home-main,
  .psd-profile-main {
    width: min(100% - 20px, 100%);
    gap: 10px;
    margin-top: 14px;
  }

  .container.single {
    grid-template-columns: 1fr;
    width: min(100% - 20px, 100%);
  }

  .home-line-decoration {
    min-height: 70px;
    margin-top: 8px;
    border-radius: 20px;
  }

  .psd-search-form {
    grid-template-columns: 1fr;
    padding: 8px;
    border-radius: 20px;
  }

  .psd-search-input-wrap input,
  .psd-search-form select {
    height: 44px;
  }

  .psd-search-submit {
    width: 44px;
    height: 44px;
  }

  .psd-like-grid,
  .user-training-grid,
  .psd-basic-list,
  .psd-stats-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .psd-profile-hero {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
  }

  .psd-profile-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .psd-avatar-box {
    width: 72px;
    height: 72px;
    border-radius: 22px;
  }

  .library-row,
  .wordbook-row-head,
  .wordbook-current-head,
  .section-head {
    gap: 8px;
  }
}

/* Targeted polish after modern pass. */
.psd-search-submit {
  position: relative;
  display: inline-grid;
  place-items: center;
  transform: none;
  border: 0;
  color: #fff;
}

.psd-search-submit::before {
  position: static;
  width: 17px;
  height: 17px;
  border: 2.5px solid currentColor;
  border-radius: 50%;
  background: transparent;
  content: "";
  transform: translate(0, 0);
}

.psd-search-submit::after {
  position: absolute;
  right: 13px;
  bottom: 13px;
  width: 10px;
  height: 2.5px;
  border-radius: 99px;
  background: currentColor;
  transform: rotate(45deg);
  content: "";
}

.topbar {
  align-items: center;
}

.topbar-brand,
.topbar > h1 {
  flex: 0 1 auto;
  width: fit-content;
  max-width: min(72vw, 520px);
}

.topbar-actions {
  flex: 0 0 auto;
}

.wordbook-collection-tab {
  border-radius: 14px !important;
  min-height: 58px;
  padding: 10px 12px !important;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 94%, transparent), color-mix(in srgb, var(--surface) 92%, transparent)) !important;
  box-shadow: 0 10px 24px rgba(23, 33, 43, 0.06);
}

.wordbook-collection-tab.is-active {
  border-color: color-mix(in srgb, var(--primary) 42%, var(--line)) !important;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary-soft) 58%, var(--surface-strong)), color-mix(in srgb, var(--surface-strong) 94%, transparent)) !important;
  box-shadow: inset 4px 0 0 var(--primary), 0 12px 26px rgba(23, 33, 43, 0.07);
}

.feedback-counts {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-weight: 900;
}

.feedback-count-danger {
  color: var(--danger);
}

.feedback-count-info {
  color: var(--info);
}

.feedback-user-main {
  min-width: 0;
}

.feedback-user-detail {
  margin-top: 10px;
}

.feedback-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.feedback-mini-card {
  box-shadow: none;
}

body.admin-desktop .menu-toggle.site-menu-toggle {
  width: 48px;
  min-width: 48px;
  height: 42px;
  padding: 0;
  border-radius: 15px;
}

body.admin-desktop .admin-nav-tree .nav-group {
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
}

body.admin-desktop .admin-nav-tree .nav-group[open] {
  border-color: color-mix(in srgb, var(--primary) 30%, var(--line));
  background: color-mix(in srgb, var(--primary-soft) 32%, var(--surface-strong));
}

body.admin-desktop .admin-nav-tree .nav-group > summary {
  border-radius: 12px;
}

body.admin-desktop .admin-nav-btn {
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
}

@media (max-width: 640px) {
  .topbar-brand,
  .topbar > h1 {
    flex: 0 1 auto;
    width: fit-content;
    max-width: calc(100vw - 86px);
  }

  .topbar-brand h1,
  .topbar > h1,
  .topbar-brand.topbar-brand-plain .site-title-plain {
    font-size: clamp(17px, 5vw, 22px);
  }

  .psd-profile-main {
    width: min(100% - 14px, 100%);
  }

  .psd-profile-card {
    padding: 12px;
  }

  .psd-profile-hero {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .psd-avatar-box {
    width: 64px;
    height: 64px;
    border-radius: 20px;
  }

  .psd-profile-name h2 {
    font-size: clamp(22px, 7vw, 30px);
  }

  .psd-basic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .psd-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .psd-ip-row {
    grid-column: 1 / -1;
  }

  .feedback-detail-grid {
    grid-template-columns: 1fr;
  }
}

/* Current app shell. This is the only final visual layer. */
body:not(.admin-desktop) {
  background:
    radial-gradient(circle at 10% 8%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 30%),
    radial-gradient(circle at 90% 12%, color-mix(in srgb, var(--info) 10%, transparent), transparent 28%),
    linear-gradient(145deg, var(--bg-soft), var(--bg));
}

body:not(.admin-desktop) .page {
  width: min(100%, 1180px);
  margin: 0 auto;
}

body:not(.admin-desktop) .front-topbar,
body:not(.admin-desktop) .topbar {
  margin: 14px auto 20px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

body:not(.admin-desktop) .topbar-brand,
body:not(.admin-desktop) .topbar > h1 {
  width: fit-content;
  max-width: calc(100vw - 96px);
  padding: 8px 15px;
  border: 1px solid color-mix(in srgb, var(--primary) 10%, var(--line));
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-strong) 86%, transparent);
  box-shadow: 0 12px 30px rgba(23, 33, 43, 0.08);
  backdrop-filter: blur(14px);
}

body:not(.admin-desktop) .site-menu-toggle {
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-strong) 90%, transparent);
  box-shadow: 0 12px 28px rgba(23, 33, 43, 0.08);
}

body:not(.admin-desktop) .card,
body:not(.admin-desktop) .psd-panel,
body:not(.admin-desktop) .psd-profile-card,
body:not(.admin-desktop) .psd-info-panel,
body:not(.admin-desktop) .wordbook-card,
body:not(.admin-desktop) .library-card,
body:not(.admin-desktop) .item {
  border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  box-shadow: 0 16px 44px rgba(23, 33, 43, 0.08);
  backdrop-filter: blur(16px);
}

body:not(.admin-desktop) .btn.primary,
body:not(.admin-desktop) .psd-search-submit {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  border-color: transparent;
}

@media (max-width: 640px) {
  body:not(.admin-desktop) .front-topbar,
  body:not(.admin-desktop) .topbar {
    width: min(100% - 18px, 520px);
    margin-top: 10px;
    margin-bottom: 20px;
  }

  body:not(.admin-desktop) .topbar-brand,
  body:not(.admin-desktop) .topbar > h1 {
    padding: 7px 12px;
    border-radius: 16px;
  }

  body:not(.admin-desktop) .container,
  body:not(.admin-desktop) .psd-home-main,
  body:not(.admin-desktop) .psd-profile-main {
    width: min(100% - 18px, 520px);
  }
}

/* User center layout refinement. */
.psd-profile-page .psd-profile-main {
  max-width: 1440px;
}

.psd-profile-page .user-center-card {
  display: grid;
  grid-template-columns: minmax(360px, 0.8fr) minmax(0, 1.2fr);
  gap: 14px;
  align-items: start;
  width: 100%;
  max-width: none;
}

.psd-profile-page .psd-profile-hero {
  grid-column: 1;
  padding: 4px 0 16px;
}

.psd-profile-page .psd-profile-name {
  min-width: 0;
}

.psd-profile-page .psd-profile-name h2,
.psd-profile-page .psd-profile-name p {
  overflow-wrap: anywhere;
}

.psd-profile-page .psd-profile-name p {
  margin: 5px 0 0;
  color: var(--muted);
}

.psd-profile-page .psd-profile-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-left: auto;
}

.psd-profile-page .psd-settings-link {
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 90%, transparent);
  box-shadow: 0 8px 22px rgba(23, 33, 43, 0.06);
}

.psd-profile-page .psd-avatar-box {
  overflow: visible;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.psd-profile-page .psd-avatar-box .avatar-preview {
  width: 100%;
  height: 100%;
  border-radius: inherit;
}

.psd-profile-page .psd-avatar-box .avatar-frame-overlay {
  width: calc(100% + 16px);
  height: calc(100% + 16px);
  left: -8px;
  top: -8px;
}

.psd-profile-page .psd-info-panel {
  min-width: 0;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface-strong) 74%, transparent);
}

.psd-profile-page .psd-info-panel h2 {
  margin-bottom: 10px;
  font-size: clamp(18px, 2vw, 22px);
}

.psd-profile-page .psd-basic-list {
  grid-template-columns: 1fr;
}

.psd-profile-page .profile-basic-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.psd-profile-page .psd-basic-list > div,
.psd-profile-page .psd-stats-grid > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 42px;
  padding: 9px 11px;
}

.psd-profile-page .profile-basic-cards > div {
  display: grid;
  align-content: start;
  justify-content: start;
  min-height: 88px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-strong) 82%, transparent);
}

.psd-profile-page .profile-basic-cards span {
  text-align: left;
  font-size: 20px;
  color: var(--text);
}

.psd-profile-page .psd-basic-list strong,
.psd-profile-page .psd-stats-grid strong {
  flex: 0 0 auto;
  color: var(--muted);
  font-weight: 700;
}

.psd-profile-page .psd-basic-list span,
.psd-profile-page .psd-stats-grid span {
  min-width: 0;
  text-align: right;
  overflow-wrap: anywhere;
  font-weight: 750;
}

.psd-profile-page .psd-ip-row {
  display: grid !important;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}

.psd-profile-page .psd-stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.psd-profile-page .psd-stats-grid > div {
  display: grid;
  justify-items: start;
  align-content: center;
  gap: 3px;
}

.psd-profile-page .psd-stats-grid span {
  text-align: left;
  font-size: 20px;
  color: var(--primary-strong);
}

.psd-profile-page .psd-profile-other-panel {
  max-width: 1440px;
  width: 100%;
  margin-inline: auto;
}

.psd-profile-page .user-center-info,
.psd-profile-page .user-center-stats {
  grid-column: 1;
}

.psd-profile-page .user-center-training,
.psd-profile-page .user-center-notice {
  grid-column: 2;
}

@media (max-width: 860px) {
  .psd-profile-page .user-center-card {
    grid-template-columns: 1fr;
  }

  .psd-profile-page .psd-profile-hero,
  .psd-profile-page .user-center-info,
  .psd-profile-page .user-center-stats,
  .psd-profile-page .user-center-training,
  .psd-profile-page .user-center-notice {
    grid-column: 1 / -1;
  }

  .psd-profile-page .psd-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1101px) {
  body:has(.front-app-rail):not(.admin-desktop) .container,
  body:has(.front-app-rail):not(.admin-desktop) .psd-profile-main,
  body:has(.front-app-rail):not(.admin-desktop) .psd-home-main {
    width: auto;
    max-width: none;
    margin-left: 292px;
    margin-right: 32px;
  }

  body:has(.front-app-rail).psd-profile-page .psd-profile-hero,
  body:has(.front-app-rail).psd-profile-page .user-center-info {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1101px) {
  body:has(.front-app-rail):not(.admin-desktop) .container,
  body:has(.front-app-rail):not(.admin-desktop) .psd-profile-main,
  body:has(.front-app-rail):not(.admin-desktop) .psd-home-main {
    width: auto;
    max-width: none;
    margin-left: 292px;
    margin-right: 32px;
  }

  body:has(.front-app-rail).psd-profile-page .user-center-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body:has(.front-app-rail).psd-profile-page .psd-profile-hero,
  body:has(.front-app-rail).psd-profile-page .user-center-info {
    grid-column: 1 / -1;
  }

  body:has(.front-app-rail).psd-profile-page .psd-basic-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body:has(.front-app-rail) .activity-page-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .psd-profile-page .psd-profile-main {
    width: min(100% - 18px, 520px);
    margin-top: 10px;
  }

  .psd-profile-page .user-center-card {
    gap: 10px;
    padding: 12px;
  }

  .psd-profile-page .psd-profile-hero {
    grid-template-columns: 58px minmax(0, 1fr) auto;
    grid-column: 1 / -1;
    gap: 10px;
    padding-bottom: 12px;
  }

  .psd-profile-page .psd-avatar-box {
    width: 58px;
    height: 58px;
    border-radius: 18px;
  }

  .psd-profile-page .psd-profile-name h2 {
    font-size: clamp(20px, 6vw, 26px);
  }

  .psd-profile-page .psd-profile-name p {
    font-size: 13px;
    line-height: 1.45;
  }

  .psd-profile-page .psd-profile-actions {
    grid-column: 3;
    justify-content: flex-end;
    gap: 7px;
  }

  .psd-profile-page .psd-profile-actions .btn,
  .psd-profile-page .psd-settings-link {
    min-height: 36px;
    height: 36px;
  }

  .psd-profile-page .psd-settings-link {
    width: 36px;
    min-width: 36px;
  }

  .psd-profile-page .psd-info-panel {
    padding: 11px;
    border-radius: 17px;
  }

  .psd-profile-page .psd-basic-list,
  .psd-profile-page .psd-stats-grid {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .psd-profile-page .profile-basic-cards {
    grid-template-columns: 1fr;
  }

  .psd-profile-page .psd-basic-list > div,
  .psd-profile-page .psd-stats-grid > div {
    min-height: 38px;
    padding: 8px 10px;
  }

  .psd-profile-page .psd-ip-row {
    grid-template-columns: 1fr;
    justify-items: start;
  }

.psd-profile-page .psd-basic-list span,
.psd-profile-page .psd-stats-grid span {
  text-align: left;
  }
}

/* Home suggestions panel. */
.psd-home-page .psd-like-panel {
  overflow: hidden;
}

.psd-home-page .psd-like-panel .psd-panel-title-row {
  margin-bottom: 12px;
}

.psd-home-page .psd-like-grid {
  counter-reset: home-like;
  gap: 12px;
}

.psd-home-page .psd-like-grid article {
  position: relative;
  min-height: 0;
  padding: 14px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: 22px;
  background:
    radial-gradient(circle at 96% 6%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 34%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 90%, transparent), color-mix(in srgb, var(--surface) 88%, transparent));
  box-shadow: 0 14px 34px rgba(23, 33, 43, 0.07);
}

.psd-home-page .psd-like-grid article::before {
  counter-increment: home-like;
  content: "0" counter(home-like);
  position: absolute;
  right: 12px;
  top: 10px;
  color: color-mix(in srgb, var(--primary) 24%, transparent);
  font-size: 38px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
}

.psd-home-page .psd-like-grid h3 {
  position: relative;
  margin: 0 0 10px;
  padding-right: 44px;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.psd-home-page .psd-like-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.psd-home-page .psd-like-list li {
  max-width: 100%;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid color-mix(in srgb, var(--primary) 14%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary-soft) 48%, var(--surface-strong));
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
}

.psd-home-page .psd-like-list li span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.psd-home-page .psd-like-list li small {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.psd-home-page .psd-like-empty {
  margin: 0;
  padding: 12px;
  border: 1px dashed color-mix(in srgb, var(--line) 90%, transparent);
  border-radius: 16px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface-strong) 62%, transparent);
}

@media (max-width: 900px) {
  .psd-home-page .psd-like-grid {
    grid-template-columns: 1fr;
  }

  .psd-home-page .psd-like-grid article {
    padding: 12px;
  }
}

@media (max-width: 640px) {
  .psd-home-page .psd-like-panel .psd-panel-title-row {
    margin-bottom: 8px;
  }

  .psd-home-page .psd-like-grid {
    gap: 8px;
  }

  .psd-home-page .psd-like-grid article {
    border-radius: 18px;
  }

  .psd-home-page .psd-like-grid h3 {
    margin-bottom: 8px;
    font-size: 16px;
  }

  .psd-home-page .psd-like-list {
    gap: 6px;
  }

  .psd-home-page .psd-like-list li {
    min-height: 28px;
    padding: 5px 9px;
    font-size: 12px;
  }
}

/* KeyKey-inspired desktop app polish: flat, focused, low-noise. */
@media (min-width: 1101px) {
  body:has(.front-app-rail) {
    --app-ink: var(--active-ink);
    --app-muted: var(--muted);
    --app-line: var(--line);
    --app-soft: var(--subtle-bg);
    --app-card: var(--surface-strong);
  }

  body:has(.front-app-rail) .container,
  body:has(.front-app-rail) .psd-profile-main,
  body:has(.front-app-rail) .psd-home-main {
    margin-top: 30px;
  }

  body:has(.front-app-rail) .container.single {
    grid-template-columns: minmax(0, 1440px);
    justify-content: start;
  }

  body:has(.front-app-rail) .container.single > .card {
    width: 100%;
    max-width: none;
  }

  body:has(.front-app-rail) .card,
  body:has(.front-app-rail) .item,
  body:has(.front-app-rail) .psd-panel,
  body:has(.front-app-rail) .psd-info-panel,
  body:has(.front-app-rail) .psd-profile-card,
  body:has(.front-app-rail) .psd-profile-other-panel,
  body:has(.front-app-rail) .library-card,
  body:has(.front-app-rail) .library-row,
  body:has(.front-app-rail) .library-zone-hero,
  body:has(.front-app-rail) .library-panel,
  body:has(.front-app-rail) .wordbook-sidebar,
  body:has(.front-app-rail) .wordbook-content,
  body:has(.front-app-rail) .wordbook-card,
  body:has(.front-app-rail) .typing-main-card,
  body:has(.front-app-rail) .typing-article-item,
  body:has(.front-app-rail) .settings-block,
  body:has(.front-app-rail) .memorize-collection-card,
  body:has(.front-app-rail) .memorize-card,
  body:has(.front-app-rail) .memorize-review-panel,
  body:has(.front-app-rail) .memorize-summary-grid .item,
  body:has(.front-app-rail) .memorize-progress-panel > div {
    border: 1px solid var(--app-line);
    border-radius: 12px;
    background: var(--app-card);
    box-shadow: none;
    backdrop-filter: none;
  }

  body:has(.front-app-rail) .card::after,
  body:has(.front-app-rail) .psd-panel::after,
  body:has(.front-app-rail) .psd-profile-card::after,
  body:has(.front-app-rail) .library-row::after,
  body:has(.front-app-rail) .wordbook-card::after {
    display: none;
  }

  body:has(.front-app-rail) .section-head,
  body:has(.front-app-rail) .panel-head,
  body:has(.front-app-rail) .wordbook-current-head,
  body:has(.front-app-rail) .psd-panel-title-row,
  body:has(.front-app-rail) .typing-article-head,
  body:has(.front-app-rail) .library-row {
    border-color: var(--app-line);
  }

  body:has(.front-app-rail) .btn,
  body:has(.front-app-rail) .menu-toggle,
  body:has(.front-app-rail) .psd-settings-link,
  body:has(.front-app-rail) .typing-start-btn,
  body:has(.front-app-rail) .wordbook-title-btn,
  body:has(.front-app-rail) .wordbook-collection-tab,
  body:has(.front-app-rail) .pill,
  body:has(.front-app-rail) .badge {
    border-radius: 10px;
    box-shadow: none;
  }

  body:has(.front-app-rail) .btn.primary,
  body:has(.front-app-rail) .psd-search-submit,
  body:has(.front-app-rail) .typing-start-btn {
    border-color: transparent;
    background: var(--action-bg);
    color: var(--action-text);
  }

  body:has(.front-app-rail) .btn.ghost,
  body:has(.front-app-rail) .wordbook-collection-tab,
  body:has(.front-app-rail) .typing-article-item,
  body:has(.front-app-rail) input,
  body:has(.front-app-rail) select,
  body:has(.front-app-rail) textarea {
    border-color: var(--app-line);
    background: var(--app-card);
    box-shadow: none;
  }

  body:has(.front-app-rail) .wordbook-collection-tab.is-active,
  body:has(.front-app-rail) .typing-article-item.is-active,
  body:has(.front-app-rail) .memorize-collection-card.is-active {
    border-color: var(--app-ink);
    background: var(--app-soft);
    box-shadow: inset 0 0 0 1px var(--app-ink);
  }

  body:has(.front-app-rail) .btn:hover,
  body:has(.front-app-rail) .menu-toggle:hover,
  body:has(.front-app-rail) .wordbook-collection-tab:hover,
  body:has(.front-app-rail) .library-row:hover,
  body:has(.front-app-rail) .item:hover,
  body:has(.front-app-rail) .wordbook-card:hover,
  body:has(.front-app-rail) .memorize-collection-card:hover {
    transform: none;
    border-color: var(--hover-line);
  }

  body:has(.front-app-rail) .wordbook-layout,
  body:has(.front-app-rail) .library-zone-layout {
    gap: 18px;
  }

  body:has(.front-app-rail) .wordbook-sidebar {
    position: sticky;
    top: 28px;
    padding: 14px;
  }

  body:has(.front-app-rail) .wordbook-content,
  body:has(.front-app-rail) .library-panel,
  body:has(.front-app-rail) .psd-profile-card,
  body:has(.front-app-rail) .psd-profile-other-panel {
    padding: 24px;
  }

  body:has(.front-app-rail) .wordbook-card,
  body:has(.front-app-rail) .library-row,
  body:has(.front-app-rail) .typing-article-item {
    transition: border-color 160ms ease, background 160ms ease;
  }

  body:has(.front-app-rail) .psd-profile-page .psd-profile-main {
    max-width: 1440px;
  }

  body:has(.front-app-rail) .psd-profile-page .user-center-card {
    grid-template-columns: minmax(360px, 0.8fr) minmax(0, 1.2fr);
    gap: 20px;
  }

  body:has(.front-app-rail) .psd-profile-page .psd-profile-hero,
  body:has(.front-app-rail) .psd-profile-page .user-center-info {
    grid-column: 1;
  }

  body:has(.front-app-rail) .psd-profile-page .user-center-stats,
  body:has(.front-app-rail) .psd-profile-page .user-center-training,
  body:has(.front-app-rail) .psd-profile-page .user-center-notice {
    grid-column: 2;
  }

  body:has(.front-app-rail) .psd-profile-page .psd-stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  body:has(.front-app-rail) .psd-profile-page .psd-basic-list > div,
  body:has(.front-app-rail) .psd-profile-page .psd-stats-grid > div {
    min-height: 76px;
    border-radius: 12px;
    background: var(--app-soft);
  }

  body:has(.front-app-rail) .psd-profile-page .psd-avatar-box {
    width: 116px;
    height: 116px;
    border-radius: 999px;
    background: var(--app-ink);
    color: var(--action-text);
  }

  body:has(.front-app-rail) .typing-focus-strip,
  body:has(.front-app-rail) .memorize-focus-strip {
    justify-content: center;
  }

  body:has(.front-app-rail) .typing-focus-strip span,
  body:has(.front-app-rail) .memorize-collection-meta span {
    border-color: var(--app-line);
    background: var(--app-soft);
    color: var(--app-muted);
  }
}

/* Auth pages follow the same quiet modal language as the reference. */
.login-page {
  min-height: 100vh;
}

.login-page .container.single {
  grid-template-columns: minmax(0, 560px);
  justify-content: center;
  align-items: start;
  margin-top: clamp(18px, 5vh, 56px);
}

.login-card {
  grid-template-columns: 1fr;
  gap: 16px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  box-shadow: 0 22px 54px rgba(17, 24, 39, 0.08);
  backdrop-filter: none;
}

.login-card::after {
  display: none;
}

.login-card .form-grid {
  gap: 15px;
}

.login-card label {
  color: var(--text);
  font-weight: 800;
}

.login-card input {
  min-height: 52px;
  border-radius: 9px;
  background: var(--surface-strong);
  box-shadow: none;
}

.login-card .btn {
  min-height: 48px;
  border-radius: 9px;
}

.login-card .btn.primary {
  background: var(--action-bg);
  color: var(--action-text);
  box-shadow: none;
}

.login-card .login-links {
  justify-content: center;
}

.feature-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.feature-hero h2 {
  margin: 0 0 8px;
}

.feature-hero-actions,
.feature-card-grid {
  display: grid;
  gap: 12px;
}

.feature-hero-actions {
  grid-auto-flow: column;
  align-items: center;
}

.feature-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-mini-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-strong) 86%, transparent);
}

.feature-mini-card strong,
.feature-mini-card span {
  display: block;
}

.feature-mini-card strong {
  margin-bottom: 4px;
}

.feature-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.feature-stat-grid > div {
  display: grid;
  gap: 6px;
  min-height: 90px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
}

.feature-stat-grid strong {
  color: var(--text);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
}

.feature-stat-grid span {
  color: var(--muted);
  font-weight: 700;
}

.co-build-invite {
  display: grid;
  gap: 18px;
}

.invite-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.invite-stat-card,
.invite-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
}

.invite-stat-card {
  display: grid;
  gap: 8px;
  min-height: 128px;
  padding: 26px 30px;
}

.invite-stat-card span {
  color: var(--muted);
  font-weight: 800;
}

.invite-stat-card strong {
  color: var(--text);
  font-size: 36px;
  line-height: 1;
}

.invite-panel {
  padding: 28px 30px;
}

.invite-panel h2 {
  margin: 0 0 18px;
}

.invite-copy-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-top: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.invite-copy-box code,
.invite-copy-box input {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  margin-top: 14px;
  padding: 0 20px;
  border: 0;
  border-radius: 10px;
  background: var(--surface-strong);
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.invite-copy-box input {
  border: 1px solid var(--line);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
}

.invite-copy-box .btn {
  min-width: 110px;
  min-height: 58px;
}

.invite-empty {
  min-height: 190px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  border: 1px dashed color-mix(in srgb, var(--muted) 42%, transparent);
  border-radius: 12px;
  color: var(--muted);
  text-align: center;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 23, 42, 0.42);
}

.modal-card {
  width: min(520px, 100%);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.24);
}

.permission-modal-card .settings-apply-grid {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.permission-modal-card label {
  justify-content: space-between;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.blind-sentence-card {
  width: min(720px, 100%);
}

.blind-sentence-list {
  display: grid;
  gap: 8px;
  max-height: 56vh;
  overflow: auto;
}

.blind-sentence-list .btn {
  justify-content: flex-start;
  white-space: normal;
  text-align: left;
}

.blind-hint-card {
  width: min(820px, 100%);
}

.blind-hint-text {
  max-height: 54vh;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  line-height: 1.8;
}

.blind-hint-text mark {
  border-radius: 4px;
  padding: 1px 3px;
  background: color-mix(in srgb, var(--primary) 22%, var(--surface-strong));
  color: var(--text);
}

.pronunciation-panel textarea {
  min-height: 138px;
  resize: vertical;
}

.share-card {
  display: grid;
  gap: 18px;
}

.share-card h1 {
  margin: 0;
  overflow-wrap: anywhere;
}

.share-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.share-meta-grid span,
.share-detail-grid section {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
  overflow-wrap: anywhere;
}

.share-detail-grid {
  display: grid;
  gap: 12px;
}

.share-detail-grid h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.share-detail-grid p {
  margin: 0;
  line-height: 1.75;
  white-space: normal;
}

/* Keep the public resource area closer to the original shared-library style. */
.library-zone-page .library-zone-hero,
.library-zone-page .library-panel {
  border-color: color-mix(in srgb, var(--primary) 14%, var(--line));
  background:
    radial-gradient(circle at 96% 8%, color-mix(in srgb, var(--primary-soft) 42%, transparent), transparent 36%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 94%, transparent), color-mix(in srgb, var(--surface) 90%, transparent));
  box-shadow: 0 16px 38px rgba(23, 33, 43, 0.07);
}

.library-zone-page .library-row {
  border-radius: 18px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--surface-strong) 92%, transparent), color-mix(in srgb, var(--surface) 88%, transparent));
}

@media (min-width: 1101px) {
  body:has(.front-app-rail).library-zone-page .library-zone-hero,
  body:has(.front-app-rail).library-zone-page .library-panel,
  body:has(.front-app-rail).library-zone-page .library-row {
    border-color: color-mix(in srgb, var(--primary) 14%, var(--line));
    box-shadow: 0 16px 38px rgba(23, 33, 43, 0.07);
  }
}

@media (max-width: 760px) {
  .feature-hero {
    align-items: stretch;
    flex-direction: column;
  }

  .feature-hero-actions {
    grid-auto-flow: row;
    grid-template-columns: 1fr;
  }

  .feature-card-grid,
  .feature-stat-grid,
  .invite-stat-grid {
    grid-template-columns: 1fr;
  }

  .feature-mini-card {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .invite-panel,
  .invite-stat-card {
    padding: 18px;
  }

  .invite-copy-box {
    grid-template-columns: 1fr;
  }
}

/* Final layout guardrails: keep desktop broad and mobile strictly single-column. */
@media (min-width: 1101px) {
  body:has(.front-app-rail) .container,
  body:has(.front-app-rail) .psd-profile-main {
    max-width: 1440px;
  }

  body:has(.front-app-rail) .container.single > .card,
  body:has(.front-app-rail) .psd-profile-page .user-center-card {
    max-width: none;
    width: 100%;
  }
}

@media (max-width: 860px) {
  .psd-profile-page .user-center-card {
    max-width: none;
    width: 100%;
    grid-template-columns: 1fr;
  }

  .psd-profile-page .psd-profile-hero,
  .psd-profile-page .user-center-info,
  .psd-profile-page .user-center-stats,
  .psd-profile-page .user-center-training,
  .psd-profile-page .user-center-notice {
    grid-column: 1 / -1;
  }
}

/* User theme normalization: all front/user pages must follow the active theme. */
body:not(.admin-desktop) {
  color: var(--text) !important;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg)) !important;
}

body:not(.admin-desktop) .page,
body:not(.admin-desktop).psd-home-page,
body:not(.admin-desktop).psd-profile-page,
body:not(.admin-desktop) .psd-home-page,
body:not(.admin-desktop) .psd-profile-page {
  color: var(--text) !important;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg)) !important;
}

body:not(.admin-desktop) .front-app-rail,
body:not(.admin-desktop) .topbar-brand,
body:not(.admin-desktop) .topbar > h1,
body:not(.admin-desktop) .menu-panel,
body:not(.admin-desktop) .card,
body:not(.admin-desktop) .item,
body:not(.admin-desktop) .detail-card,
body:not(.admin-desktop) .settings-block,
body:not(.admin-desktop) .psd-panel,
body:not(.admin-desktop) .psd-info-panel,
body:not(.admin-desktop) .psd-profile-card,
body:not(.admin-desktop) .psd-profile-other-panel,
body:not(.admin-desktop) .library-card,
body:not(.admin-desktop) .library-row,
body:not(.admin-desktop) .library-zone-hero,
body:not(.admin-desktop) .library-panel,
body:not(.admin-desktop) .wordbook-sidebar,
body:not(.admin-desktop) .wordbook-content,
body:not(.admin-desktop) .wordbook-card,
body:not(.admin-desktop) .typing-main-card,
body:not(.admin-desktop) .typing-article-item,
body:not(.admin-desktop) .typing-reference,
body:not(.admin-desktop) .typing-input,
body:not(.admin-desktop) .memorize-collection-card,
body:not(.admin-desktop) .memorize-card,
body:not(.admin-desktop) .memorize-review-panel,
body:not(.admin-desktop) .memorize-summary-grid .item,
body:not(.admin-desktop) .memorize-progress-panel > div,
body:not(.admin-desktop) .practice-center-hero,
body:not(.admin-desktop) .practice-entry,
body:not(.admin-desktop) .paper-setup-card,
body:not(.admin-desktop) .paper-practice-card,
body:not(.admin-desktop) .paper-document-page,
body:not(.admin-desktop) .paper-answer-panel,
body:not(.admin-desktop) .wrong-book-panel,
body:not(.admin-desktop) .wrong-book-item,
body:not(.admin-desktop) .feature-mini-card,
body:not(.admin-desktop) .feature-stat-grid > div,
body:not(.admin-desktop) .invite-panel,
body:not(.admin-desktop) .invite-stat-card,
body:not(.admin-desktop) .invite-copy-box,
body:not(.admin-desktop) .share-meta-grid span,
body:not(.admin-desktop) .share-detail-grid section,
body:not(.admin-desktop) .notice-box,
body:not(.admin-desktop) .preview-box,
body:not(.admin-desktop) .modal-card,
body:not(.admin-desktop) .site-popup-card,
body:not(.admin-desktop) .scroll-card,
body:not(.admin-desktop) .touch-scroll,
body:not(.admin-desktop) table,
body:not(.admin-desktop) thead,
body:not(.admin-desktop) tbody,
body:not(.admin-desktop) tr,
body:not(.admin-desktop) th,
body:not(.admin-desktop) td {
  border-color: var(--line) !important;
  background: var(--surface-strong) !important;
  color: var(--text) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

body:not(.admin-desktop) .psd-basic-list > div,
body:not(.admin-desktop) .psd-stats-grid > div,
body:not(.admin-desktop) .user-training-grid a,
body:not(.admin-desktop) .wordbook-collection-tab,
body:not(.admin-desktop) .opened-route-chip,
body:not(.admin-desktop) .pill,
body:not(.admin-desktop) .badge,
body:not(.admin-desktop) .typing-focus-strip span,
body:not(.admin-desktop) .memorize-collection-meta span,
body:not(.admin-desktop) .status-line,
body:not(.admin-desktop) .progress-wrap,
body:not(.admin-desktop) .progress-bar {
  border-color: var(--line) !important;
  background: var(--subtle-bg) !important;
  color: var(--text) !important;
  box-shadow: none !important;
}

body:not(.admin-desktop).psd-profile-page .profile-basic-cards > div {
  background: transparent !important;
  box-shadow: none !important;
}

body:not(.admin-desktop) h1,
body:not(.admin-desktop) h2,
body:not(.admin-desktop) h3,
body:not(.admin-desktop) h4,
body:not(.admin-desktop) label,
body:not(.admin-desktop) strong,
body:not(.admin-desktop) .psd-profile-name h2,
body:not(.admin-desktop) .front-app-rail-brand,
body:not(.admin-desktop) .front-app-rail-brand strong,
body:not(.admin-desktop) .front-app-rail-nav a span,
body:not(.admin-desktop) .section-head,
body:not(.admin-desktop) .panel-head,
body:not(.admin-desktop) .wordbook-current-head,
body:not(.admin-desktop) .psd-panel-title-row {
  color: var(--text) !important;
}

body:not(.admin-desktop) .muted,
body:not(.admin-desktop) small,
body:not(.admin-desktop) .psd-profile-name p,
body:not(.admin-desktop) .psd-basic-list strong,
body:not(.admin-desktop) .psd-stats-grid strong,
body:not(.admin-desktop) .user-training-grid span,
body:not(.admin-desktop) .front-app-rail-nav a,
body:not(.admin-desktop) .front-app-rail-bottom {
  color: var(--muted) !important;
}

body:not(.admin-desktop) .status-success {
  color: var(--success) !important;
}

body:not(.admin-desktop) .status-danger,
body:not(.admin-desktop) .feedback-count-danger {
  color: var(--danger) !important;
}

body:not(.admin-desktop) .status-accent {
  color: var(--accent) !important;
}

body:not(.admin-desktop) input,
body:not(.admin-desktop) select,
body:not(.admin-desktop) textarea,
body:not(.admin-desktop) .psd-search-form,
body:not(.admin-desktop) .settings-switch-row {
  border-color: var(--line) !important;
  background: var(--surface-strong) !important;
  color: var(--text) !important;
  box-shadow: none !important;
}

body:not(.admin-desktop) input::placeholder,
body:not(.admin-desktop) textarea::placeholder {
  color: color-mix(in srgb, var(--muted) 80%, transparent) !important;
}

body:not(.admin-desktop) .btn.primary,
body:not(.admin-desktop) .psd-search-submit,
body:not(.admin-desktop) .typing-start-btn,
body:not(.admin-desktop) .front-app-rail-bottom button {
  border-color: var(--action-bg) !important;
  background: var(--action-bg) !important;
  color: var(--action-text) !important;
  box-shadow: none !important;
}

body:not(.admin-desktop) .btn.danger {
  border-color: var(--danger) !important;
  background: var(--danger) !important;
  color: var(--danger-text) !important;
  box-shadow: none !important;
}

body:not(.admin-desktop) .btn.ghost,
body:not(.admin-desktop) .menu-toggle,
body:not(.admin-desktop) .psd-settings-link,
body:not(.admin-desktop) .wordbook-title-btn,
body:not(.admin-desktop) .front-bottom-link {
  border-color: var(--line) !important;
  background: var(--subtle-bg) !important;
  color: var(--text) !important;
  box-shadow: none !important;
}

body:not(.admin-desktop) .front-app-rail-nav a:hover,
body:not(.admin-desktop) .front-app-rail-nav a.is-active,
body:not(.admin-desktop) .wordbook-collection-tab.is-active,
body:not(.admin-desktop) .typing-article-item.is-active,
body:not(.admin-desktop) .memorize-collection-card.is-active {
  border-color: var(--line-strong) !important;
  background: var(--active-bg) !important;
  color: var(--active-ink) !important;
  box-shadow: none !important;
}

body:not(.admin-desktop) .card::after,
body:not(.admin-desktop) .psd-panel::after,
body:not(.admin-desktop) .psd-profile-card::after,
body:not(.admin-desktop) .library-row::after,
body:not(.admin-desktop) .wordbook-card::after,
body:not(.admin-desktop) .item::after {
  display: none !important;
}

body:not(.admin-desktop) .modal-backdrop,
body:not(.admin-desktop) .site-popup-mask {
  background: color-mix(in srgb, var(--bg) 72%, transparent) !important;
}

/* Reading practice */
.reading-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.4fr);
  gap: 16px;
  align-items: start;
}

.reading-sidebar,
.reading-main,
.reading-tools,
.reading-annotation-form {
  display: grid;
  gap: 12px;
}

.reading-material-list .reading-material-item {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.reading-material-item.is-active {
  border-color: color-mix(in srgb, var(--primary) 42%, var(--line));
  background: var(--primary-soft);
}

.reading-reader-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.reading-content {
  min-height: 320px;
  max-height: 62vh;
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  color: var(--text);
  line-height: 1.9;
}

.reading-content p {
  margin: 0 0 1em;
}

.reading-word-result .item-head {
  margin-bottom: 8px;
}

.reading-library-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 16px;
  align-items: start;
}

.reading-upload-box,
.reading-material-card,
.reading-session-panel {
  display: grid;
  gap: 12px;
}

.reading-material-card .actions {
  justify-content: flex-start;
}

.data-operation-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 12px;
  align-items: start;
}

.data-operation-guide,
.data-operation-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-strong) 94%, transparent);
}

.data-operation-guide {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.data-operation-guide h3,
.data-operation-guide ol {
  margin: 0;
}

.data-operation-guide ol {
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.data-example {
  display: grid;
  gap: 6px;
  padding: 10px;
  border-radius: 10px;
  background: var(--subtle-bg);
}

.data-example code {
  overflow-wrap: anywhere;
  white-space: normal;
}

.data-operation-main {
  display: grid;
  gap: 12px;
}

.data-operation-card {
  padding: 14px;
}

.data-operation-card-head,
.reading-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.data-operation-card-head h3 {
  margin: 0;
}

.reading-material-card .item-head {
  align-items: center;
}

.reading-card-actions {
  justify-content: flex-end;
  flex-shrink: 0;
}

body:not(.admin-desktop) #userSettingsForm,
body:not(.admin-desktop) #profileForm,
body:not(.admin-desktop) #userWordSubmitForm,
body:not(.admin-desktop) #articleLibrarySubmitForm,
body:not(.admin-desktop) #readingSubmitForm {
  gap: 12px;
}

body:not(.admin-desktop) #userSettingsForm > label,
body:not(.admin-desktop) #profileForm > label,
body:not(.admin-desktop) #userWordSubmitForm > label,
body:not(.admin-desktop) #articleLibrarySubmitForm > label,
body:not(.admin-desktop) #readingSubmitForm > label {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-strong) 94%, transparent);
}

body:not(.admin-desktop) .reading-page .reading-library,
body:not(.admin-desktop) .submit-reading-card {
  display: grid;
  gap: 12px;
}

body:not(.admin-desktop) .reading-material-card {
  padding: 14px;
}

body:not(.admin-desktop) .profile-avatar-row {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface-strong) 94%, transparent);
}

.reading-session-container {
  max-width: 1360px;
}

.reading-session-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 16px;
  align-items: start;
}

.reading-reader-column {
  display: grid;
  gap: 12px;
}

.reading-progress-sticky {
  position: sticky;
  top: 12px;
  z-index: 2;
}

.reading-session-content {
  min-height: calc(100vh - 150px);
  max-height: calc(100vh - 150px);
}

.reading-session-aside {
  display: grid;
  gap: 12px;
  max-height: calc(100vh - 150px);
  overflow: auto;
}

.reading-progress-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.reading-note-marker {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  margin-left: 4px;
  border: 1px solid color-mix(in srgb, var(--primary) 60%, var(--line));
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  cursor: pointer;
}

.reading-end-line {
  text-align: center;
  padding: 12px;
}

.settings-apply-grid {
  display: grid;
  gap: 10px;
}

.settings-apply-grid .inline {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.memorize-preview-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.memorize-preview-card > div {
  display: grid;
  gap: 4px;
}

.wordbook-pager {
  justify-content: center;
}

.word-collection-editor {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  display: grid;
  gap: 12px;
}

.word-collection-word-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.wordbook-pager,
#memorizeFloorNav {
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.wordbook-pager .btn,
#memorizeFloorNav .btn {
  min-width: 42px;
  padding-inline: 10px;
}

.admin-source-field {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.admin-source-select {
  margin-top: 8px;
}

.generated-standalone-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, var(--primary) 6%), var(--bg));
}

.generated-standalone-main {
  padding-top: 48px;
}

.generated-standalone-hero {
  margin-bottom: 18px;
}

.generated-standalone-hero p {
  margin: 0 0 6px;
  color: var(--muted);
}

.generated-standalone-hero h1 {
  margin: 0;
  font-size: 32px;
}

.practice-center-page {
  display: grid;
  gap: 18px;
}

.practice-center-hero {
  min-height: 160px;
  display: flex;
  align-items: end;
  padding: 28px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 16%, var(--surface)), var(--surface-strong));
  border: 1px solid var(--line);
}

.practice-center-hero p {
  margin: 0 0 6px;
  color: var(--muted);
}

.practice-center-hero h2 {
  margin: 0;
  font-size: 30px;
}

.practice-entry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.practice-entry {
  display: grid;
  gap: 8px;
  min-height: 138px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: inherit;
  text-decoration: none;
}

.practice-entry span {
  width: fit-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
}

.practice-entry strong {
  font-size: 20px;
}

.practice-entry small {
  color: var(--muted);
}

.paper-setup-card,
.paper-session-card {
  max-width: 1180px;
  margin: 0 auto;
}

.paper-practice-page {
  align-items: start;
}

.paper-practice-page .paper-setup-card {
  width: 100%;
  display: grid;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.paper-exam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.paper-practice-card {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 14px;
  min-height: 210px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.paper-practice-card-main {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 10px;
}

.paper-practice-card-head,
.paper-practice-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.paper-practice-tag,
.paper-practice-time,
.paper-practice-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-strong);
  font-size: 12px;
  font-weight: 700;
}

.paper-practice-tag {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: color-mix(in srgb, var(--primary) 24%, var(--line));
}

.paper-practice-time {
  color: color-mix(in srgb, var(--text) 78%, #f59e0b);
  background: color-mix(in srgb, #f59e0b 13%, var(--surface));
}

.paper-practice-card h3 {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 20px;
  line-height: 1.35;
}

.paper-practice-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.paper-practice-card .actions {
  justify-content: flex-end;
}

.paper-admin-layout {
  align-items: start;
}

.paper-list-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.paper-admin-list {
  display: grid;
  gap: 10px;
}

.paper-admin-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.paper-admin-row.is-active {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--line));
  background: color-mix(in srgb, var(--primary) 6%, var(--surface));
}

.paper-admin-row-main {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.paper-admin-row-main strong,
.paper-admin-row-main p {
  overflow-wrap: anywhere;
}

.paper-admin-row-main p {
  margin: 4px 0 0;
}

.paper-admin-row-meta {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.paper-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.paper-status.published {
  color: color-mix(in srgb, var(--text) 76%, #16a34a);
  background: color-mix(in srgb, #16a34a 14%, var(--surface));
}

.paper-status.draft {
  color: color-mix(in srgb, var(--text) 78%, #f59e0b);
  background: color-mix(in srgb, #f59e0b 16%, var(--surface));
}

.paper-create-form {
  max-width: 860px;
}

.paper-editor-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.paper-editor-picker {
  position: sticky;
  top: 12px;
  display: grid;
  gap: 12px;
}

.paper-editor-picker h3,
.paper-editor-picker p {
  margin: 0;
}

.paper-editor-main {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.paper-editor-assets {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.paper-editor-assets h3,
.paper-editor-assets p {
  margin: 0;
}

.paper-asset-upload-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.paper-asset-upload-form input[type="file"] {
  flex: 1 1 260px;
  min-height: 40px;
  padding: 8px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.paper-asset-list {
  display: grid;
  gap: 8px;
  max-height: 220px;
  overflow: auto;
}

.paper-asset-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.paper-asset-item span {
  color: var(--muted);
  font-size: 12px;
}

.paper-asset-item strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.paper-editor-empty {
  min-height: 180px;
  display: grid;
  align-content: center;
  gap: 6px;
}

.paper-editor-empty h3,
.paper-editor-empty p {
  margin: 0;
}

.paper-editor-meta[hidden],
.paper-editor-empty[hidden] {
  display: none;
}

.paper-editor-workbench {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.paper-exam-sidebar {
  position: sticky;
  top: 12px;
  display: grid;
  gap: 12px;
}

.paper-editor-panel {
  display: grid;
  gap: 14px;
}

.paper-editor-panel[hidden] {
  display: none;
}

.paper-editor-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 14px;
}

.paper-editor-column {
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
}

.paper-editor-form {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.paper-upload-field {
  display: grid;
  gap: 8px;
}

.paper-upload-field input[type="file"] {
  width: 100%;
  min-height: 40px;
  padding: 8px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.paper-practice-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  align-items: start;
}

.paper-session-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.paper-answer-panel {
  position: sticky;
  top: 16px;
  display: grid;
  gap: 12px;
}

.paper-answer-panel-body {
  display: grid;
  gap: 12px;
}

.paper-answer-drawer-toggle {
  display: none;
}

.paper-timer-box {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.paper-timer-box[hidden] {
  display: none;
}

.paper-timer-box span {
  color: var(--muted);
  font-size: 13px;
}

.paper-timer-box strong {
  color: var(--text);
  font-size: 28px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.paper-timer-box.is-urgent {
  border-color: color-mix(in srgb, #dc2626 45%, var(--line));
  background: color-mix(in srgb, #dc2626 8%, var(--surface));
}

.paper-timer-box.is-urgent strong {
  color: color-mix(in srgb, var(--text) 72%, #dc2626);
}

.paper-document-shell {
  grid-template-columns: minmax(0, 1180px) 320px;
  justify-content: center;
}

.paper-document-panel {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.paper-page-list {
  display: grid;
  gap: 14px;
}

.paper-page-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.paper-page-answer-box {
  display: grid;
  align-content: start;
  gap: 10px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.paper-document-page {
  display: block;
  width: 100%;
  max-width: 1180px;
  min-height: 0;
  margin: 0 auto;
  padding: 42px 52px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
}

.paper-page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 2px solid #111827;
  color: var(--text);
}

.paper-document-section {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.paper-document-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.paper-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.paper-section-header span {
  color: var(--muted);
  font-size: 13px;
}

.paper-section-header strong {
  font-size: 18px;
}

.paper-page-header span {
  font-size: 13px;
  color: var(--muted);
}

.paper-page-header strong {
  font-size: 18px;
}

.paper-page-media {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.paper-info-page {
  min-height: 0;
}

.paper-info-title {
  display: grid;
  gap: 8px;
  margin: 56px 0 44px;
  text-align: center;
}

.paper-info-title h2 {
  margin: 0;
  color: var(--text);
  font-size: 30px;
  line-height: 1.3;
}

.paper-info-title p {
  margin: 0;
  color: var(--muted);
}

.paper-info-grid {
  display: grid;
  gap: 18px;
}

.paper-info-block {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.paper-info-block h3,
.paper-info-block p,
.paper-info-block ul {
  margin: 0;
}

.paper-info-block h3 {
  color: var(--text);
  font-size: 17px;
}

.paper-info-block p,
.paper-info-block li {
  color: var(--text);
  line-height: 1.8;
}

.paper-info-block ul {
  padding-left: 22px;
}

.paper-scan {
  margin: 0;
}

.paper-scan img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  border-radius: 0;
  background: var(--surface);
}

.paper-body-text {
  color: var(--text);
}

.paper-question-section {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.paper-question-block {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 34px;
  align-items: start;
  gap: 10px;
  padding: 12px 0;
  border-top: 0;
}

.paper-choice-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.paper-choice-list .choice {
  justify-content: flex-start;
  min-height: 36px;
  text-align: left;
  color: var(--text);
}

.ocr-content {
  display: grid;
  gap: 10px;
}

.ocr-paragraph {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.75;
  font-family: "Yu Gothic", "Meiryo", "Noto Sans CJK JP", "Microsoft YaHei", sans-serif;
  font-size: 16px;
}

.inline-media {
  display: grid;
  gap: 6px;
  margin: 2px 0;
}

.inline-media figcaption {
  color: var(--muted);
  font-size: 13px;
}

.media-panel {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.question-image {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.audio-player {
  width: 100%;
}

.paper-answer-sheet {
  display: grid;
  gap: 12px;
}

.paper-answer-sheet .section {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.paper-answer-sheet .section h3 {
  margin: 0;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-strong);
  font-size: 15px;
}

.paper-answer-sheet .question-grid {
  display: grid;
  gap: 8px;
  padding: 10px;
}

.paper-page-answer-box .question,
.paper-answer-sheet .question {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 34px;
  align-items: start;
  gap: 8px;
}

.paper-question-text {
  margin: 0 0 8px;
}

.q-number {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.choices {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
}

.choices.paper-choice-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.paper-choice-list.choice-layout-short {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.paper-choice-list.choice-layout-medium {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.paper-choice-list.choice-layout-long {
  grid-template-columns: 1fr;
}

.choice {
  min-height: 32px;
  padding: 0 8px;
  border-radius: 6px;
}

.paper-choice-list .choice {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 36px;
  min-width: 0;
  text-align: left;
  color: var(--text);
  overflow: visible;
  text-overflow: clip;
  white-space: normal;
  word-break: break-word;
  line-height: 1.35;
}

.paper-wrong-list {
  display: grid;
  gap: 10px;
}

.paper-wrong-list h3 {
  margin: 4px 0 0;
  font-size: 16px;
}

.paper-wrong-item {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid color-mix(in srgb, #dc2626 38%, var(--line));
  border-radius: 8px;
  background: color-mix(in srgb, #dc2626 7%, var(--surface));
}

.paper-wrong-item p {
  margin: 0;
}

.paper-wrong-text .ocr-paragraph {
  font-size: 14px;
  line-height: 1.6;
}

.choice.selected {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
}

.question.correct .choice.selected {
  border-color: color-mix(in srgb, #16a34a 60%, var(--line));
  background: color-mix(in srgb, #16a34a 14%, var(--surface));
  color: color-mix(in srgb, var(--text) 76%, #16a34a);
}

.question.wrong .choice.selected {
  border-color: color-mix(in srgb, #dc2626 55%, var(--line));
  background: color-mix(in srgb, #dc2626 10%, var(--surface));
  color: color-mix(in srgb, var(--text) 72%, #dc2626);
}

.answer-mark {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.answer-mark.revealed {
  color: var(--primary);
  font-weight: 700;
}

.paper-question-box {
  min-height: 150px;
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.paper-question-box p {
  margin: 0;
  color: var(--muted);
}

.paper-question-box strong {
  font-size: 26px;
  line-height: 1.35;
}

.paper-answer-form {
  margin-top: 16px;
}

.paper-answer-result,
.paper-complete {
  margin-top: 14px;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: grid;
  gap: 4px;
}

.paper-answer-result.is-correct {
  border-color: color-mix(in srgb, #16a34a 45%, var(--line));
  background: color-mix(in srgb, #16a34a 10%, var(--surface));
}

.paper-answer-result.is-wrong {
  border-color: color-mix(in srgb, #dc2626 38%, var(--line));
  background: color-mix(in srgb, #dc2626 8%, var(--surface));
}

.wrong-book-page {
  display: grid;
  gap: 14px;
}

.wrong-book-panel,
.wrong-book-list,
.wrong-book-item {
  display: grid;
  gap: 12px;
}

.wrong-book-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.wrong-book-item-head,
.wrong-book-answer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.wrong-book-item pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: inherit;
  line-height: 1.7;
}

.wrong-book-answer-row {
  justify-content: flex-start;
  color: var(--text);
}

@media (max-width: 900px) {
  body:not(.admin-desktop) {
    font-size: 13px;
  }

  body:not(.admin-desktop) .btn,
  body:not(.admin-desktop) button,
  body:not(.admin-desktop) input,
  body:not(.admin-desktop) select,
  body:not(.admin-desktop) textarea {
    font-size: 12px;
  }

  body:not(.admin-desktop) .content-container,
  body:not(.admin-desktop) .container {
    padding-left: 10px;
    padding-right: 10px;
  }

  .reading-layout {
    grid-template-columns: 1fr;
  }

  .reading-library-layout,
  .data-operation-layout,
  .reading-session-shell,
  .paper-admin-row,
  .paper-editor-shell,
  .paper-editor-workbench,
  .paper-editor-columns,
  .paper-practice-shell,
  .paper-page-card {
    grid-template-columns: 1fr;
  }

  .paper-exam-sidebar,
  .paper-editor-picker {
    position: static;
  }

  .paper-document-shell {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .paper-document-panel,
  .paper-page-list,
  .paper-document-continuous {
    min-width: 0;
    max-width: 100%;
  }

  .paper-page-answer-box {
    padding-left: 0;
    padding-top: 12px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .paper-admin-row-main {
    align-items: flex-start;
  }

  .paper-admin-row-meta {
    white-space: normal;
  }

  .paper-document-page {
    min-height: 0;
    padding: 18px 10px;
    font-size: 13px;
    box-shadow: none;
  }

  .paper-session-head {
    gap: 8px;
    margin-bottom: 10px;
  }

  .paper-session-head h2 {
    font-size: 18px;
  }

  .paper-session-head p,
  .paper-answer-panel,
  .paper-wrong-list,
  .paper-answer-sheet {
    font-size: 12px;
  }

  .paper-practice-page .paper-setup-card {
    padding: 14px;
  }

  .practice-center-page {
    gap: 12px;
  }

  .practice-center-hero {
    min-height: 108px;
    padding: 14px;
  }

  .practice-center-hero h2 {
    font-size: 24px;
  }

  .practice-entry-grid {
    gap: 10px;
  }

  .practice-entry {
    min-height: 102px;
    padding: 12px;
    gap: 6px;
  }

  .practice-entry strong {
    font-size: 17px;
  }

  .practice-entry small {
    font-size: 12px;
    line-height: 1.45;
  }

  .paper-exam-grid {
    grid-template-columns: 1fr;
  }

  .paper-practice-card {
    min-height: 0;
    padding: 14px;
  }

  .paper-practice-card .actions,
  .paper-practice-card .btn {
    width: 100%;
  }

  .choices {
    grid-template-columns: 1fr;
  }

  .choices.paper-choice-list {
    gap: 4px;
  }

  .paper-choice-list.choice-layout-short {
    grid-template-columns: repeat(4, minmax(34px, 1fr));
  }

  .paper-choice-list.choice-layout-medium {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .paper-choice-list.choice-layout-long {
    grid-template-columns: 1fr;
  }

  .paper-answer-sheet .choices {
    grid-template-columns: repeat(4, minmax(28px, 1fr));
    gap: 4px;
  }

  .paper-question-block {
    grid-template-columns: 26px minmax(0, 1fr) 18px;
    gap: 6px;
    padding: 8px 0;
  }

  .paper-choice-list .choice,
  .paper-answer-sheet .choice {
    min-height: 28px;
    padding: 0 5px;
    font-size: 12px;
  }

  .paper-choice-list .choice {
    min-height: 30px;
    padding: 5px 6px;
  }

  .paper-answer-sheet .question-grid {
    padding: 8px;
    gap: 6px;
  }

  .paper-answer-panel .actions .btn {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 12px;
  }

  .paper-document-section {
    padding: 18px 0;
  }

  .paper-section-header {
    gap: 8px;
    margin-bottom: 12px;
  }

  .paper-section-header strong {
    font-size: 15px;
  }

  .ocr-paragraph {
    font-size: 13px;
    line-height: 1.65;
  }

  .reading-content {
    max-height: none;
  }

  .reading-session-content,
  .reading-session-aside {
    min-height: auto;
    max-height: none;
  }
}

@media (max-width: 1100px) {
  .paper-document-shell,
  .paper-practice-shell {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    padding-bottom: 0;
  }

  .paper-document-panel,
  .paper-page-list,
  .paper-document-continuous {
    min-width: 0;
    max-width: 100%;
  }

  .paper-document-page {
    width: 100%;
    max-width: 100%;
    padding: 18px 10px;
    box-shadow: none;
  }

  .paper-answer-panel {
    position: fixed !important;
    left: auto;
    right: 0;
    top: 50%;
    bottom: auto;
    z-index: 1000;
    display: block !important;
    width: min(82vw, 320px);
    max-width: calc(100vw - 42px);
    max-height: calc(100vh - 72px);
    padding: 12px;
    overflow: auto !important;
    transform: translate(100%, -50%);
    transition: transform 200ms ease;
    border-radius: 8px 0 0 8px;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.24) !important;
  }

  .paper-answer-panel.is-open {
    transform: translate(0, -50%);
  }

  .paper-answer-panel-body {
    max-height: none;
    overflow: visible;
    display: grid;
    gap: 10px;
  }

  .paper-answer-drawer-toggle {
    position: fixed;
    left: auto;
    right: 0;
    top: 50%;
    bottom: auto;
    z-index: 1001;
    display: inline-grid !important;
    place-items: center;
    width: 36px;
    min-width: 36px;
    height: 104px;
    min-height: 104px;
    padding: 7px 4px;
    transform: translateY(-50%);
    border: 1px solid var(--line);
    border-right: 0;
    border-radius: 8px 0 0 8px;
    background: var(--primary);
    color: var(--primary-contrast);
    font-size: 12px;
    font-weight: 800;
    writing-mode: vertical-rl;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.2);
  }

}

@media (max-width: 1100px) {
  body:not(.admin-desktop) .user-center-stats {
    display: none !important;
  }
}

body:not(.admin-desktop) .user-points-actions {
  grid-column: 1 / -1;
}

body:not(.admin-desktop) .user-points-controls {
  grid-template-columns: 1fr;
}

@media (min-width: 1101px) {
  body.user-desktop-like .user-workbench {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
  }

  body.user-desktop-like .user-side-rail {
    position: sticky;
    top: 74px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    padding: 12px;
  }

  body.user-desktop-like .user-side-brand {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 10px;
  }

  body.user-desktop-like .user-side-nav {
    display: grid;
    gap: 6px;
  }

  body.user-desktop-like .user-side-nav a {
    display: block;
    padding: 9px 10px;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 700;
  }

  body.user-desktop-like .user-side-nav a:hover,
  body.user-desktop-like .user-side-nav a.is-active {
    border-color: var(--line);
    background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  }
}