/* MoaBoard participation refinement v4
   Lighter public reading, a compact creator flow, and a direct login path. */

body.board-body,
body.page-new,
body.page-login {
  background: var(--mb-paper);
}

/* Public board ---------------------------------------------------------- */

.board-body .visitor-shell {
  width: min(68rem, calc(100% - 3rem));
  padding-bottom: 4rem;
}

.board-body .visitor-utility {
  min-height: 4rem;
  border-bottom-color: var(--mb-line);
}

.board-body .visitor-brand {
  gap: 0.58rem;
  font-size: 0.9rem;
}

.board-body .visitor-app-title {
  color: var(--mb-muted);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: none;
}

.board-body .visitor-title {
  width: min(100%, 58rem);
  grid-template-columns: minmax(0, 1fr) 7rem;
  margin-inline: auto;
  padding: 3rem 0 2.5rem;
  border-bottom-color: var(--mb-line);
}

.board-body .visitor-title-main {
  grid-template-columns: minmax(0, 1fr);
  gap: 1.8rem;
  align-items: start;
  padding: 0 clamp(2rem, 5vw, 4.5rem) 0 0;
}

.board-body .visitor-title-support {
  max-width: 42rem;
}

.board-body .visitor-title .eyebrow {
  margin-bottom: 0.8rem;
  font-size: 0.68rem;
  letter-spacing: 0.02em;
}

.board-body .visitor-title h1 {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 710;
  line-height: 1.04;
  letter-spacing: -0.04em;
  overflow-wrap: break-word;
  word-break: keep-all;
}

.board-body .visitor-board-info > summary {
  min-height: 2.2rem;
  padding-bottom: 0.6rem;
  border-bottom-color: var(--mb-line);
}

.board-body .visitor-board-info-content {
  padding-top: 0.8rem;
}

.board-body #board-description {
  font-size: 0.82rem;
  line-height: 1.65;
}

.board-body .board-meta span,
.board-body .starter-prompts button {
  min-height: 1.65rem;
  padding: 0.25rem 0.5rem;
  border-color: var(--mb-line);
  border-radius: 0.4rem;
  font-size: 0.72rem;
}

.board-body .visitor-count {
  padding: 0 0 0.25rem 1.7rem;
  border-left-color: var(--mb-line);
}

.board-body .visitor-count strong {
  font-size: 2rem;
  font-weight: 640;
}

.board-body .visitor-content {
  display: block;
}

.board-body .visitor-feed {
  width: min(100%, 58rem);
  margin-inline: auto;
  padding-top: 2.6rem;
}

.board-body .feed-heading {
  margin-bottom: 1.25rem;
}

.board-body .feed-heading strong {
  font-size: 1.35rem;
  font-weight: 700;
}

.board-body .feed-heading span {
  font-size: 0.75rem;
}

.board-body .visitor-actions :is(.primary-link, .secondary-link) {
  min-height: 2.5rem;
  border-radius: 0.5rem;
}

.board-body .feed-tools {
  margin-bottom: 1rem;
  border-top: 1px solid var(--mb-line);
  border-bottom: 1px solid var(--mb-line);
}

.board-body .feed-tools > summary {
  width: 100%;
  min-height: 2.7rem;
  justify-content: space-between;
}

.board-body .feed-tools-content {
  padding: 0 0 1rem;
}

.board-body .visitor-post {
  padding: 1.35rem 0 1.45rem;
  border-color: var(--mb-line);
}

.board-body .visitor-post:hover {
  padding-right: 0;
  padding-left: 0;
  background: transparent;
}

.board-body .visitor-post > p {
  font-size: 1rem;
  line-height: 1.72;
}

.board-body .post-meta {
  margin-bottom: 0.75rem;
}

.board-body .post-meta-chip {
  border-radius: 0.35rem;
}

.board-body .post-actions {
  margin-top: 1rem;
}

.board-body .post-actions button,
.board-body .comment-toggle {
  min-height: 2rem;
  border-color: var(--mb-line);
  border-radius: 0.45rem;
}

.board-body .empty-state {
  min-height: 15rem;
  border-color: var(--mb-line);
  background: var(--mb-paper);
}

/* New board ------------------------------------------------------------- */

.page-new .site-nav,
.page-new .new-progress {
  width: min(68rem, calc(100% - 3rem));
}

.page-new .site-nav {
  min-height: 4rem;
  border-bottom-color: var(--mb-line);
}

.page-new .new-progress {
  min-height: 3.5rem;
  align-items: center;
  padding: 0;
  border-bottom-color: var(--mb-line);
}

.page-new .new-shell {
  width: min(46rem, calc(100% - 3rem));
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding: 3rem 0 5rem;
}

.page-new .new-purpose-continue {
  width: fit-content;
  margin-top: 1.5rem;
}

.page-new .new-desktop-back {
  width: fit-content;
  margin: 0 0 1.25rem;
  padding: 0;
  color: var(--mb-muted);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 650;
  cursor: pointer;
}

.page-new .new-desktop-back::before {
  margin-right: 0.42rem;
  content: "\2190";
}

.page-new .new-desktop-back:hover {
  color: var(--mb-accent);
}

.page-new .new-copy h1 {
  font-size: clamp(2.35rem, 3.8vw, 3.15rem);
  font-weight: 710;
  line-height: 1.06;
  letter-spacing: -0.04em;
  word-break: keep-all;
}

.page-new .new-copy > p:not(.new-auto-note, .new-auth-state) {
  margin-top: 1.15rem;
  font-size: 0.88rem;
  line-height: 1.65;
}

.page-new .template-picker,
.page-new .mode-picker {
  margin-top: 1.8rem;
}

.page-new :is(.template-picker, .mode-picker) button {
  min-height: 3.75rem;
  padding: 0.7rem 0;
  border-bottom-color: var(--mb-line);
}

.page-new :is(.template-picker, .mode-picker) button small,
.page-new .new-auto-note,
.page-new .new-auth-state,
.page-new .new-form > label,
.page-new .advanced-settings label {
  font-size: 0.75rem;
}

.page-new :is(.template-picker, .mode-picker) button:hover,
.page-new :is(.template-picker, .mode-picker) button.active {
  padding-right: 0.55rem;
  padding-left: 0.55rem;
  border-radius: 0.5rem;
  background: var(--mb-accent-soft);
}

.page-new .new-form {
  align-self: start;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.page-new .new-form > label:first-of-type input {
  background: transparent;
}

.page-new .creation-summary,
.page-new .advanced-settings {
  border-color: var(--mb-line);
}

/* Login ----------------------------------------------------------------- */

.page-login .login-shell {
  background: var(--mb-paper);
}

.page-login .login-header {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  min-height: 4rem;
  margin: 0;
  padding-inline: max(1.5rem, calc((100vw - 68rem) / 2));
  border-bottom-color: var(--mb-line);
  background: var(--mb-surface);
}

.page-login .login-layout {
  width: min(68rem, calc(100% - 3rem));
  min-height: calc(100svh - 4rem);
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 25rem);
  gap: clamp(4rem, 9vw, 8rem);
  align-items: center;
  margin: 0 auto;
  padding: 4rem 0;
}

.page-login .login-story {
  display: block;
  padding: 0;
  color: var(--mb-ink);
  background: transparent;
}

.page-login .login-story .eyebrow {
  margin-bottom: 1.25rem;
  color: var(--mb-accent);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.page-login .login-story h1 {
  max-width: 9ch;
  color: var(--mb-ink);
  font-size: clamp(2.85rem, 4.6vw, 3.9rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.page-login .login-story-copy > p:last-child {
  max-width: 31rem;
  margin-top: 1.4rem;
  color: var(--mb-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-login .login-flow {
  grid-template-columns: 1fr;
  max-width: 31rem;
  margin-top: 2.3rem;
  border-top-color: var(--mb-line);
}

.page-login .login-flow li {
  grid-template-columns: 2rem minmax(0, 1fr);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--mb-line);
}

.page-login .login-flow li > span {
  color: var(--mb-accent);
}

.page-login .login-flow li div {
  grid-template-columns: 8.5rem 1fr;
  align-items: baseline;
  gap: 1rem;
}

.page-login .login-flow strong {
  color: var(--mb-ink);
}

.page-login .login-flow p {
  color: var(--mb-muted);
}

.page-login .login-live-note {
  margin-top: 1.25rem;
  color: var(--mb-muted);
}

.page-login .login-live-note > span::after {
  display: none;
}

.page-login .auth-panel {
  align-self: center;
  justify-content: flex-start;
  max-width: 25rem;
  padding: 2rem 0 2rem 3rem;
  border: 0;
  border-left: 1px solid var(--mb-line-strong);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.page-login .auth-panel > * {
  width: 100%;
}

.page-login .auth-panel > .eyebrow {
  margin-bottom: 0.8rem;
  font-size: 0.65rem;
  letter-spacing: 0.025em;
  text-transform: none;
}

.page-login .auth-panel h2 {
  font-size: 2rem;
  font-weight: 700;
}

.page-login .auth-panel > p:not(.eyebrow, .status-line) {
  margin-top: 0.8rem;
}

.page-login .auth-provider-list {
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.page-login .provider-button,
.page-login .provider-button:is(.kakao, .naver, .google) {
  min-height: 3rem;
  border-color: var(--mb-line-strong);
  border-radius: 0.55rem;
  background: var(--mb-surface);
}

.page-login .provider-button:is(.kakao, .naver, .google):hover {
  color: var(--mb-ink);
  border-color: var(--mb-accent);
  background: var(--mb-accent-soft);
}

@media (max-width: 900px) {
  .board-body .visitor-title-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .page-new .new-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-login .login-layout {
    gap: 3rem;
  }
}

@media (max-width: 760px) {
  .board-body::after {
    display: none;
  }

  .board-body .visitor-shell,
  .page-new .site-nav,
  .page-new .new-progress,
  .page-new .new-shell,
  .page-login .login-layout {
    width: calc(100% - 2rem);
  }

  .page-login .login-header {
    width: 100%;
    padding-inline: 1rem;
  }

  .board-body .visitor-utility,
  .page-new .site-nav,
  .page-login .login-header {
    min-height: 3.75rem;
  }

  .board-body .visitor-title {
    grid-template-columns: minmax(0, 1fr) 4.2rem;
    padding: 2rem 0 1.5rem;
  }

  .board-body .visitor-title-main {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding-right: 1.25rem;
  }

  .board-body .visitor-title h1 {
    font-size: clamp(2rem, 9vw, 2.65rem);
  }

  .board-body .visitor-count {
    padding-left: 1rem;
  }

  .board-body .visitor-count strong {
    font-size: 1.7rem;
  }

  .board-body .visitor-feed {
    padding-top: 2rem;
  }

  .board-body .feed-heading {
    align-items: center;
  }

  .board-body .visitor-actions .secondary-link {
    display: none;
  }

  .board-body .visitor-actions {
    z-index: 70;
  }

  .page-new .new-progress {
    min-height: 3rem;
  }

  .page-new .new-shell {
    display: block;
    margin-inline: auto;
    padding: 2rem 0 6rem;
  }

  .page-new .new-copy h1 {
    font-size: clamp(2.35rem, 11vw, 3rem);
  }

  .page-new .new-form {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .page-new .new-purpose-continue,
  .page-new .new-desktop-back {
    display: none;
  }

  .page-login .login-layout {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 1.8rem;
    padding: 2.5rem 0 3rem;
  }

  .page-login .login-story .eyebrow {
    margin-bottom: 0.8rem;
  }

  .page-login .login-story h1 {
    max-width: 11ch;
    font-size: clamp(2.2rem, 10.5vw, 2.9rem);
    line-height: 1.08;
  }

  .page-login .login-story-copy > p:last-child,
  .page-login .login-flow,
  .page-login .login-live-note {
    display: none;
  }

  .page-login .auth-panel {
    max-width: none;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .page-login .auth-panel h2 {
    font-size: 1.65rem;
  }
}

@media (max-width: 430px) {
  .board-body .visitor-shell,
  .page-new .site-nav,
  .page-new .new-progress,
  .page-new .new-shell,
  .page-login .login-layout {
    width: calc(100% - 1.5rem);
  }

  .page-login .login-header {
    width: 100%;
    padding-inline: 0.75rem;
  }

  .board-body .visitor-title {
    grid-template-columns: 1fr auto;
  }

  .board-body .visitor-title-main {
    padding-right: 0.85rem;
  }

  .board-body .visitor-title-support {
    grid-column: 1 / -1;
  }

  .board-body .visitor-count {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
  }

  .board-body .feed-heading strong {
    font-size: 1.25rem;
  }

  .page-new :is(.template-picker, .mode-picker) button {
    min-height: 3.6rem;
  }

  .page-login .login-layout {
    padding-top: 2rem;
  }

  .page-new .new-shell {
    width: calc(100% - 2rem);
    margin-inline: auto;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-login .login-story-copy,
  .page-login .auth-panel,
  .page-new .new-copy,
  .page-new .new-form,
  .board-body .visitor-title-copy {
    animation: participation-v4-enter 220ms ease-out both;
  }
}

@keyframes participation-v4-enter {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}