/*
 * Public foundation layer
 * Device, accessibility and shared AI contracts for every public surface.
 */

:root {
  --public-foundation-ink: #18212b;
  --public-foundation-muted: #5d6874;
  --public-foundation-gold: #a88416;
  --public-foundation-gold-dark: #6f5708;
  --public-foundation-line: rgba(168, 132, 22, 0.24);
  --public-foundation-paper: #fffdf8;
  --public-foundation-surface: #ffffff;
  --public-foundation-sage: #edf3ee;
  --public-foundation-blue: #eaf1f5;
  --public-foundation-clay: #f5ece8;
  --public-foundation-danger: #9f231b;
  --public-foundation-success: #17643a;
  --public-foundation-gutter: 20px;
  --public-foundation-target: 44px;
  --public-foundation-bottom-nav-height: 0px;
  --public-foundation-safe-bottom: env(safe-area-inset-bottom, 0px);
  --public-foundation-vh: 1vh;
  --public-foundation-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --public-motion-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --public-motion-ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --public-motion-fast: 160ms;
  --public-motion-medium: 420ms;
  --public-motion-slow: 680ms;
}

html[data-public-foundation] {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  overflow-y: auto;
  overscroll-behavior-y: auto;
  scroll-padding-top: calc(72px + env(safe-area-inset-top, 0px));
  scroll-padding-bottom: calc(
    var(--public-foundation-bottom-nav-height) +
    var(--public-foundation-safe-bottom) +
    16px
  );
}

@supports not (overflow: clip) {
  html[data-public-foundation] { overflow-x: hidden; }
}

body[data-public-surface] {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: clip;
  overflow-y: auto;
  overscroll-behavior-y: auto;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body[data-public-surface],
body[data-public-surface] *,
body[data-public-surface] *::before,
body[data-public-surface] *::after {
  box-sizing: border-box;
}

body[data-public-surface]:not([data-public-surface="game"]) {
  touch-action: pan-y pinch-zoom;
}

html.public-foundation-scroll-recovered,
body.public-foundation-scroll-recovered {
  height: auto !important;
  min-height: 100dvh !important;
  overflow-y: auto !important;
  overscroll-behavior-y: auto !important;
}

body.public-foundation-scroll-recovered {
  position: relative !important;
  inset: auto !important;
}

body[data-public-surface="service"],
body[data-public-surface="reading"] {
  background: var(--public-foundation-paper);
  color: var(--public-foundation-ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

body[data-public-surface] :where(main, section, article, aside, header, footer, nav, form, fieldset, div) {
  min-width: 0;
}

body[data-public-surface]:not([data-public-surface="game"]) :where(img, video, iframe) {
  max-width: 100%;
  height: auto;
}

body[data-public-surface] :where(button, a, input, select, textarea) {
  -webkit-tap-highlight-color: transparent;
}

body[data-public-surface] :where(button, a[role="button"], input, select, textarea) {
  touch-action: manipulation;
}

body[data-public-surface] :where(button, a, input, select, textarea, summary):focus-visible {
  outline: 3px solid rgba(168, 132, 22, 0.34);
  outline-offset: 3px;
}

/*
 * Shared public motion language.
 * Content remains visible without JavaScript; motion starts only after the
 * controller has classified the page and marked safe semantic regions.
 */
body[data-public-surface]:not([data-public-surface="game"]) .public-motion-item {
  transform-origin: 50% 50%;
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item:not(.is-public-motion-visible) {
  opacity: 0;
  filter: blur(2px);
  transform: translate3d(0, 20px, 0);
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item {
  transition:
    opacity 520ms ease var(--public-motion-delay, 0ms),
    filter 520ms ease var(--public-motion-delay, 0ms),
    transform var(--public-motion-slow) var(--public-motion-ease) var(--public-motion-delay, 0ms);
  will-change: opacity, filter, transform;
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item[data-public-motion="fade"]:not(.is-public-motion-visible) {
  transform: none;
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item[data-public-motion="scale"]:not(.is-public-motion-visible) {
  transform: translate3d(0, 14px, 0) scale(0.985);
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item[data-public-motion="from-start"]:not(.is-public-motion-visible) {
  transform: translate3d(-20px, 8px, 0);
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item[data-public-motion="from-end"]:not(.is-public-motion-visible) {
  transform: translate3d(20px, 8px, 0);
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item.is-public-motion-visible {
  opacity: 1;
  filter: none;
  transform: none;
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  .public-motion-item.is-public-motion-immediate {
  animation: public-motion-immediate-settle 560ms var(--public-motion-ease-soft) both;
}

body[data-public-surface]:not([data-public-surface="game"])
  .public-motion-item.is-public-motion-complete {
  will-change: auto;
}

body[data-public-surface]:not([data-public-surface="game"]) .public-motion-pressable {
  transform-origin: center;
  transition:
    transform var(--public-motion-fast) var(--public-motion-ease),
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 220ms ease,
    filter 180ms ease;
}

body[data-public-surface]:not([data-public-surface="game"]) .public-motion-pressable:active {
  transform: translate3d(0, 1px, 0) scale(0.975);
  filter: saturate(0.94);
  transition-duration: 70ms;
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  input:not([type="checkbox"]):not([type="radio"]),
  select,
  textarea
) {
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    box-shadow 220ms ease;
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  input:not([type="checkbox"]):not([type="radio"]),
  select,
  textarea
):focus {
  border-color: rgba(168, 132, 22, 0.62);
  box-shadow: 0 0 0 4px rgba(168, 132, 22, 0.1);
}

@keyframes public-motion-immediate-settle {
  from { opacity: 0.84; transform: translate3d(0, 8px, 0); }
  to { opacity: 1; transform: none; }
}

body[data-public-surface] :target {
  scroll-margin-top: calc(80px + env(safe-area-inset-top, 0px));
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  site-header .site-header-mobile,
  site-header .site-header-desktop,
  .public-mobile-back,
  .public-top-nav,
  nav.reading-nav-adaptive,
  header.reading-nav-adaptive
) {
  transition:
    background-color 220ms ease,
    border-color 220ms ease,
    box-shadow 260ms ease,
    backdrop-filter 260ms ease;
}

body[data-public-surface]:not([data-public-surface="game"]).public-foundation-scrolled :where(
  site-header .site-header-mobile,
  site-header .site-header-desktop,
  .public-mobile-back,
  .public-top-nav,
  nav.reading-nav-adaptive,
  header.reading-nav-adaptive
) {
  border-bottom-color: var(--public-foundation-line);
  background-color: rgba(255, 255, 255, 0.975);
  box-shadow: 0 10px 30px rgba(24, 33, 43, 0.085);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  h1, h2, h3, h4, p, li, dd, dt, label, legend, figcaption, blockquote
) {
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  main, [role="main"], .main-content, .page-content, .content-wrapper,
  .container, .page-container, .main-container
) {
  width: 100%;
  min-width: 0;
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  pre, code, samp, kbd
) {
  max-width: 100%;
}

body[data-public-surface]:not([data-public-surface="game"]) pre {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

.public-foundation-skip-link {
  position: fixed;
  top: max(8px, env(safe-area-inset-top, 0px));
  left: max(8px, env(safe-area-inset-left, 0px));
  z-index: 12050;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--public-foundation-ink);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.public-foundation-skip-link:focus {
  transform: translateY(0);
}

/* Safe shared refinements for legacy service and reading pages. */
body[data-public-surface="service"] :where(input:not([type="checkbox"]):not([type="radio"]), select, textarea),
body[data-public-surface="reading"] :where(input:not([type="checkbox"]):not([type="radio"]), select, textarea) {
  max-width: 100%;
  min-height: 44px;
  border-radius: 7px;
  font-size: 16px;
}

body[data-public-surface="service"] :where(button, .btn, a[role="button"]),
body[data-public-surface="reading"] :where(button, .btn, a[role="button"]) {
  min-height: 44px;
  border-radius: 7px;
}

body[data-public-surface="service"] :where(.card, .panel, .content-card, .info-card, .form-card, .stat-card),
body[data-public-surface="reading"] :where(.card, .panel, .content-card, .info-card, .chapter-card, .reading-card) {
  border-radius: 8px;
  border-color: var(--public-foundation-line);
}

body[data-public-surface="service"] :where(.card, .panel, .content-card, .info-card, .form-card, .stat-card),
body[data-public-surface="reading"] :where(.card, .panel, .content-card, .info-card, .chapter-card, .reading-card),
body[data-public-surface="portal"] :where(.card, .panel, .action-card, .feature-card, .stat-card) {
  box-shadow: 0 10px 30px rgba(24, 33, 43, 0.055);
}

body[data-public-surface="service"] :where(h1, h2, h3),
body[data-public-surface="reading"] :where(h1, h2, h3) {
  color: var(--public-foundation-ink);
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

body[data-public-surface="service"] :where(p, li, dd),
body[data-public-surface="reading"] :where(p, li, dd) {
  overflow-wrap: anywhere;
}

.public-table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border: 1px solid var(--public-foundation-line);
  border-radius: 8px;
  background: var(--public-foundation-surface);
  -webkit-overflow-scrolling: touch;
}

.public-table-scroll > table {
  width: 100%;
  min-width: 620px;
  margin: 0;
  border: 0;
}

.public-foundation-scroll-row {
  position: relative;
  max-width: 100%;
  scrollbar-width: thin;
  scrollbar-color: rgba(168, 132, 22, 0.42) transparent;
  transition: box-shadow 220ms ease, -webkit-mask-image 220ms ease, mask-image 220ms ease;
  -webkit-overflow-scrolling: touch;
}

.public-foundation-scroll-row:focus-visible {
  outline: 3px solid rgba(168, 132, 22, 0.24);
  outline-offset: 2px;
}

.public-foundation-scroll-row.is-public-scrollable:not(.is-public-scroll-end) {
  -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 30px), transparent 100%);
  mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 30px), transparent 100%);
  box-shadow: inset -18px 0 18px -20px rgba(111, 87, 8, 0.5);
}

.public-foundation-scroll-row.is-public-scrollable:not(.is-public-scroll-start):not(.is-public-scroll-end) {
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 30px,
    #000 calc(100% - 30px),
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 30px,
    #000 calc(100% - 30px),
    transparent 100%
  );
  box-shadow:
    inset 18px 0 18px -20px rgba(111, 87, 8, 0.5),
    inset -18px 0 18px -20px rgba(111, 87, 8, 0.5);
}

.public-foundation-scroll-row.is-public-scrollable.is-public-scroll-end:not(.is-public-scroll-start) {
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 30px, #000 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 30px, #000 100%);
  box-shadow: inset 18px 0 18px -20px rgba(111, 87, 8, 0.5);
}

body.has-bottom-nav:not([data-public-surface="game"]) :where(
  main, [role="main"], .main-content, .page-content
) > :last-child {
  margin-bottom: calc(
    var(--public-foundation-bottom-nav-height) +
    var(--public-foundation-safe-bottom) +
    20px
  );
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  .bottom-nav, .daily-bottom-nav, .mission-bottom-nav, .game-bottom-nav,
  .bottom-bar, #mobile-bottom-nav, nav[data-bottom-nav]
) {
  padding-bottom: max(8px, var(--public-foundation-safe-bottom));
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  .modal-overlay, .photo-modal, [role="dialog"][aria-modal="true"]
) {
  max-width: 100vw;
  max-height: 100dvh;
}

body[data-public-surface]:not([data-public-surface="game"]) :where(
  .modal-content, .dialog-content, .sheet-content, [role="dialog"][aria-modal="true"] > :first-child
) {
  min-width: 0;
  max-width: min(680px, calc(100vw - 24px));
  max-height: calc(var(--public-foundation-vh) * 100 - 24px);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  :where(
    .modal-overlay.active,
    .modal-overlay.show,
    .modal-overlay[aria-hidden="false"],
    .photo-modal.active,
    .photo-modal.show,
    .photo-modal[aria-hidden="false"]
  ):not([hidden]) {
  animation: public-motion-backdrop-enter 180ms ease-out both;
}

body[data-public-surface]:not([data-public-surface="game"]).public-motion-orchestrated
  :where(
    .modal-overlay.active,
    .modal-overlay.show,
    .modal-overlay[aria-hidden="false"],
    .photo-modal.active,
    .photo-modal.show,
    .photo-modal[aria-hidden="false"]
  ):not([hidden])
  :where(.modal-content, .dialog-content, .sheet-content) {
  animation: public-motion-dialog-enter 320ms var(--public-motion-ease) both;
}

@keyframes public-motion-backdrop-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes public-motion-dialog-enter {
  from { opacity: 0; transform: translate3d(0, 14px, 0) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.public-foundation-back-to-top {
  position: fixed;
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(18px, calc(12px + var(--public-foundation-safe-bottom)));
  z-index: 8850;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--public-foundation-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--public-foundation-gold-dark);
  box-shadow: 0 12px 30px rgba(24, 33, 43, 0.14);
  font: 700 22px/1 system-ui, sans-serif;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 220ms var(--public-foundation-ease), visibility 180ms ease;
}

.public-foundation-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

body.has-bottom-nav .public-foundation-back-to-top {
  bottom: calc(76px + var(--public-foundation-safe-bottom));
}

body.has-public-ai .public-foundation-back-to-top,
body.has-public-ai .public-back-to-top {
  right: max(144px, calc(128px + env(safe-area-inset-right, 0px)));
}

.public-network-status {
  position: fixed;
  right: 12px;
  bottom: max(76px, calc(68px + var(--public-foundation-safe-bottom)));
  left: 12px;
  z-index: 12100;
  width: min(420px, calc(100% - 24px));
  margin-inline: auto;
  padding: 11px 14px;
  border: 1px solid var(--public-foundation-line);
  border-radius: 7px;
  background: var(--public-foundation-surface);
  color: var(--public-foundation-ink);
  box-shadow: 0 16px 38px rgba(24, 33, 43, 0.18);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  animation: public-motion-status-enter 360ms var(--public-motion-ease) both;
}

.public-network-status.is-offline {
  border-color: rgba(159, 35, 27, 0.34);
  color: var(--public-foundation-danger);
}

@keyframes public-motion-status-enter {
  from { opacity: 0; transform: translate3d(0, 10px, 0); }
  to { opacity: 1; transform: none; }
}

/* Shared contextual AI assistant. */
.public-ai-launcher {
  position: fixed;
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(18px, calc(12px + var(--public-foundation-safe-bottom)));
  z-index: 8900;
  min-width: 116px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid var(--public-foundation-gold-dark);
  border-radius: 8px;
  background: var(--public-foundation-gold-dark);
  color: #fff;
  box-shadow: 0 14px 34px rgba(111, 87, 8, 0.24);
  font: 700 14px/1 "Noto Sans TC", system-ui, sans-serif;
}

.public-ai-launcher[hidden],
.public-ai-backdrop[hidden],
.public-ai-panel[hidden],
.public-ai-prompts[hidden],
.public-ai-consent[hidden],
.public-ai-typing[hidden] {
  display: none !important;
}

.public-ai-launcher:hover {
  background: var(--public-foundation-ink);
  border-color: var(--public-foundation-ink);
}

.public-ai-launcher-mark {
  font-size: 18px;
  line-height: 1;
}

body.has-bottom-nav .public-ai-launcher {
  bottom: calc(76px + var(--public-foundation-safe-bottom));
}

.public-ai-backdrop {
  position: fixed;
  inset: 0;
  z-index: 11000;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: rgba(24, 33, 43, 0.5);
  touch-action: none;
}

.public-ai-panel {
  position: fixed;
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  z-index: 11010;
  width: min(408px, calc(100vw - 32px));
  height: min(680px, calc(100dvh - 32px));
  max-height: calc(var(--public-foundation-vh) * 100 - 32px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--public-foundation-line);
  border-radius: 8px;
  background: var(--public-foundation-surface);
  color: var(--public-foundation-ink);
  box-shadow: 0 28px 80px rgba(24, 33, 43, 0.28);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  touch-action: pan-y pinch-zoom;
  animation: public-ai-enter 260ms var(--public-foundation-ease) both;
}

.public-ai-header {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px 10px 16px;
  border-bottom: 1px solid var(--public-foundation-line);
  background: var(--public-foundation-paper);
  touch-action: none;
}

.public-ai-panel.is-dragging {
  animation: none;
  transform: translateY(var(--public-ai-drag-y, 0));
  transition: none;
  user-select: none;
}

.public-ai-title {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.public-ai-title strong {
  overflow: hidden;
  font-size: 16px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.public-ai-title span {
  color: var(--public-foundation-muted);
  font-size: 12px;
  line-height: 1.35;
}

.public-ai-close,
.public-ai-send {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--public-foundation-line);
  border-radius: 7px;
  background: #fff;
  color: var(--public-foundation-ink);
  font-size: 22px;
  line-height: 1;
}

.public-ai-messages {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 16px;
  background: #fbfaf6;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y pinch-zoom;
}

.public-ai-message {
  width: fit-content;
  max-width: 88%;
  padding: 10px 12px;
  border: 1px solid rgba(24, 33, 43, 0.1);
  border-radius: 8px;
  background: #fff;
  color: var(--public-foundation-ink);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.public-ai-message[data-role="user"] {
  align-self: flex-end;
  border-color: var(--public-foundation-gold-dark);
  background: var(--public-foundation-gold-dark);
  color: #fff;
}

.public-ai-message[data-state="error"] {
  border-color: rgba(159, 35, 27, 0.3);
  background: #fff7f6;
  color: var(--public-foundation-danger);
}

.public-ai-typing {
  width: 52px;
  display: flex;
  gap: 4px;
  padding: 12px;
}

.public-ai-typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--public-foundation-gold);
  animation: public-ai-pulse 900ms ease-in-out infinite;
}

.public-ai-typing i:nth-child(2) { animation-delay: 120ms; }
.public-ai-typing i:nth-child(3) { animation-delay: 240ms; }

.public-ai-prompts {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 10px 12px;
  border-top: 1px solid var(--public-foundation-line);
  background: #fff;
  -webkit-overflow-scrolling: touch;
}

.public-ai-footer {
  min-width: 0;
  background: #fff;
}

.public-ai-prompt {
  min-height: 38px;
  flex: 0 0 auto;
  max-width: 230px;
  padding: 7px 10px;
  border: 1px solid var(--public-foundation-line);
  border-radius: 7px;
  background: var(--public-foundation-paper);
  color: var(--public-foundation-gold-dark);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
  white-space: normal;
}

.public-ai-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  gap: 8px;
  padding: 10px 12px max(10px, env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--public-foundation-line);
  background: #fff;
}

.public-ai-composer textarea {
  width: 100%;
  min-height: 44px;
  max-height: 112px;
  resize: none;
  padding: 10px 11px;
  border: 1px solid rgba(24, 33, 43, 0.22);
  border-radius: 7px;
  background: #fff;
  color: var(--public-foundation-ink);
  font: 400 16px/1.45 "Noto Sans TC", system-ui, sans-serif;
}

.public-ai-send {
  border-color: var(--public-foundation-gold-dark);
  background: var(--public-foundation-gold-dark);
  color: #fff;
  font-size: 18px;
}

.public-ai-send:disabled,
.public-ai-prompt:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.public-ai-consent {
  margin: 0 12px 10px;
  padding: 12px;
  border: 1px solid var(--public-foundation-line);
  border-radius: 8px;
  background: var(--public-foundation-sage);
  color: var(--public-foundation-ink);
  font-size: 13px;
  line-height: 1.6;
}

.public-ai-consent label {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.public-ai-consent input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--public-foundation-gold-dark);
}

.public-ai-consent a {
  color: var(--public-foundation-gold-dark);
  font-weight: 700;
}

.public-ai-consent button {
  width: 100%;
  min-height: 42px;
  margin-top: 10px;
  border: 1px solid var(--public-foundation-gold-dark);
  border-radius: 7px;
  background: var(--public-foundation-gold-dark);
  color: #fff;
  font-weight: 700;
}

.public-ai-disclaimer {
  padding: 0 12px 8px;
  background: #fff;
  color: var(--public-foundation-muted);
  font-size: 11px;
  line-height: 1.45;
}

html.is-public-ai-open,
body.is-public-ai-open {
  overflow: hidden !important;
}

body.is-public-ai-open {
  position: fixed !important;
  inset: var(--public-ai-scroll-offset, 0) 0 auto !important;
  width: 100% !important;
}

@keyframes public-ai-enter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes public-ai-pulse {
  0%, 100% { opacity: 0.35; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-3px); }
}

@media (max-width: 767px) {
  :root {
    --public-foundation-gutter: 16px;
    --public-foundation-target: 46px;
  }

  body[data-public-surface]:not([data-public-surface="game"]) {
    font-size: 16px;
    line-height: 1.7;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    button,
    a[role="button"],
    a.btn,
    a.button,
    input[type="button"],
    input[type="submit"],
    input[type="reset"],
    .btn,
    .button,
    .nav-back,
    .page-lang-btn,
    .font-scale-btn,
    .team-explore-btn,
    .icon-command,
    summary
  ) {
    min-width: var(--public-foundation-target);
    min-height: var(--public-foundation-target);
  }

  body[data-public-surface="game"] :where(
    button,
    a[role="button"],
    a.btn,
    a.button,
    input[type="button"],
    input[type="submit"],
    input[type="reset"],
    .btn,
    .button,
    .quiz-btn,
    .filter-btn,
    .icon-command
  ) {
    min-width: 46px;
    min-height: 46px;
  }

  body[data-public-surface="game"] :where(
    input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]),
    select,
    textarea
  ) {
    max-width: 100%;
    min-height: 46px;
    font-size: 16px !important;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]),
    select,
    textarea
  ) {
    width: 100%;
    max-width: 100%;
    min-height: 48px;
    font-size: 16px !important;
    line-height: 1.45;
  }

  body[data-public-surface]:not([data-public-surface="game"]) textarea {
    min-height: 120px;
    resize: vertical;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    input[type="checkbox"], input[type="radio"]
  ) {
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .form-row, .form-grid, .auth-grid, .two-column, .two-columns,
    .content-grid, .dashboard-grid, .split-layout
  ) {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .button-group, .btn-group, .form-actions, .action-row, .toolbar-actions
  ) {
    max-width: 100%;
    flex-wrap: wrap;
    gap: 10px;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .button-group, .btn-group, .form-actions, .action-row
  ) > :where(button, .btn, .button, a[role="button"]) {
    flex: 1 1 132px;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .tabs, .tab-list, .nav-tabs, .filter-tabs, .year-tabs, .meeting-tabs,
    .week-tabs, .week-selector, .segmented-control, [data-horizontal-scroll]
  ).public-foundation-scroll-row {
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    padding-bottom: 5px;
    scroll-snap-type: x proximity;
  }

  body[data-public-surface]:not([data-public-surface="game"]) .public-foundation-scroll-row > * {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .card, .panel, .content-card, .info-card, .form-card, .chapter-card,
    .reading-card, .action-card, .feature-card, .stat-card
  ) {
    max-width: 100%;
    border-radius: 8px;
  }

  body[data-public-surface="service"] :where(h1, .page-title),
  body[data-public-surface="reading"] :where(h1, .page-title) {
    font-size: 30px;
    line-height: 1.24;
  }

  body[data-public-surface="service"] :where(h2, .section-title),
  body[data-public-surface="reading"] :where(h2, .section-title) {
    font-size: 23px;
    line-height: 1.35;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .modal-overlay, .photo-modal
  ) {
    align-items: flex-end;
    overflow-y: auto;
    padding: 12px max(8px, env(safe-area-inset-right, 0px))
      max(8px, env(safe-area-inset-bottom, 0px))
      max(8px, env(safe-area-inset-left, 0px));
    -webkit-overflow-scrolling: touch;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .modal-content, .dialog-content, .sheet-content
  ) {
    width: 100%;
    max-width: 100%;
    max-height: calc(var(--public-foundation-vh) * 92);
    border-radius: 8px 8px 0 0;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .toast, .notification-toast, .alert-toast
  ) {
    right: var(--public-foundation-gutter);
    left: var(--public-foundation-gutter);
    width: auto;
    max-width: none;
    overflow-wrap: anywhere;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    iframe, video, canvas
  ) {
    max-width: 100%;
  }

  body[data-public-surface]:not([data-public-surface="game"]) table {
    font-size: 14px;
  }

  .public-ai-launcher {
    min-width: 48px;
    width: 48px;
    padding: 0;
  }

  .public-ai-launcher-label { display: none; }

  body.has-public-ai .public-foundation-back-to-top,
  body.has-public-ai .public-back-to-top {
    right: max(76px, calc(64px + env(safe-area-inset-right, 0px)));
  }

  .public-ai-panel {
    inset: auto 8px max(8px, env(safe-area-inset-bottom, 0px));
    width: calc(100vw - 16px);
    height: min(720px, calc(100dvh - 16px));
    max-height: calc(var(--public-foundation-vh) * 100 - 16px);
  }

  .public-ai-messages { padding: 12px; }
  .public-ai-message { max-width: 92%; }
  .public-table-scroll > table { min-width: 560px; }
}

@media (max-width: 374px) {
  :root {
    --public-foundation-gutter: 14px;
  }

  body[data-public-surface]:not([data-public-surface="game"]) :where(
    .card, .panel, .content-card, .info-card, .form-card, .chapter-card,
    .reading-card, .action-card, .feature-card
  ) {
    padding-right: 14px;
    padding-left: 14px;
  }

  body[data-public-surface="service"] :where(h1, .page-title),
  body[data-public-surface="reading"] :where(h1, .page-title) {
    font-size: 28px;
  }

  .public-ai-header { min-height: 58px; padding-left: 12px; }
  .public-ai-title strong { font-size: 15px; }
  .public-ai-title span { max-width: 205px; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .public-ai-panel {
    width: min(430px, calc(100vw - 40px));
    height: min(720px, calc(100dvh - 40px));
  }
}

@media (min-width: 1024px) {
  .public-ai-launcher,
  .public-foundation-back-to-top,
  .public-back-to-top {
    bottom: max(24px, calc(18px + var(--public-foundation-safe-bottom)));
  }
}

@media (min-width: 1440px) {
  .public-ai-panel { right: 28px; bottom: 28px; }
  .public-ai-launcher { right: 28px; }
}

@media (hover: hover) and (pointer: fine) {
  body[data-public-surface]:not([data-public-surface="game"]) .public-motion-pressable:hover {
    transform: translate3d(0, -1px, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html[data-public-foundation] { scroll-behavior: auto !important; }
  body[data-public-surface] .public-motion-item,
  body[data-public-surface] .public-motion-pressable,
  body[data-public-surface] .public-network-status,
  .public-ai-panel,
  .public-ai-typing i,
  .public-foundation-back-to-top,
  .public-foundation-skip-link {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  body[data-public-surface] .public-motion-item {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }
  .public-ai-messages { scroll-behavior: auto; }
}

@media (forced-colors: active) {
  .public-ai-launcher,
  .public-ai-send,
  .public-ai-consent button {
    border: 2px solid ButtonText;
  }
}

@media print {
  .public-ai-launcher,
  .public-ai-backdrop,
  .public-ai-panel,
  .public-foundation-back-to-top,
  .public-network-status,
  .public-scroll-progress,
  .public-foundation-skip-link {
    display: none !important;
  }
}