:root {
  --community-primary: #2563eb;
  --community-primary-dark: #1d4ed8;
  --community-ink: #111827;
  --community-muted: #6b7280;
  --community-border: #e5e7eb;
  --community-surface: #ffffff;
  --community-background: #f6f8fb;
  --community-soft: #f9fafb;
  --community-danger: #ef4444;
  --community-radius: 14px;
  --community-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

html {
  position: relative;
  min-height: 100%;
  font-size: 14px;
}

body {
  display: flex;
  min-height: 100vh;
  margin: 0;
  flex-direction: column;
  background: var(--community-background);
  color: var(--community-ink);
  font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.app-main {
  flex: 1 0 auto;
}

.page-shell {
  padding-top: 40px;
  padding-bottom: 64px;
}

.site-header {
  z-index: 1020;
  border-bottom: 1px solid var(--community-border);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.site-navbar {
  min-height: 68px;
  padding: 0;
}

.site-brand {
  display: inline-flex;
  margin-right: 3rem;
  padding-top: 0;
  padding-bottom: 0;
  align-items: center;
}

.site-brand-image {
  display: block;
  width: 126px;
  height: auto;
  max-height: 46px;
  object-fit: contain;
}

.site-nav {
  gap: 0.25rem;
}

.site-nav-link {
  position: relative;
  padding: 1.5rem 1rem !important;
  color: #4b5563 !important;
  font-size: 0.9rem;
  font-weight: 600;
}

.site-nav-link::after {
  position: absolute;
  right: 1rem;
  bottom: 0;
  left: 1rem;
  height: 2px;
  background: transparent;
  content: "";
}

.site-nav-link:hover,
.site-nav-link.active {
  color: var(--community-primary) !important;
}

.site-nav-link.active::after {
  background: var(--community-primary);
}

.site-navbar-actions {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 0.75rem;
}

.site-navbar-actions svg,
.page-primary-action svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.nav-action-link {
  padding-right: 0;
  padding-left: 0;
  color: var(--community-muted);
  font-size: 0.86rem;
  text-decoration: none;
}

.nav-action-link:hover {
  color: var(--community-ink);
}

.btn {
  border-radius: 8px;
  font-weight: 600;
}

.btn-primary {
  border-color: var(--community-primary);
  background: var(--community-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  border-color: var(--community-primary-dark);
  background: var(--community-primary-dark);
}

.btn-outline-primary {
  border-color: #bfdbfe;
  color: var(--community-primary);
}

.btn-outline-primary:hover {
  border-color: var(--community-primary);
  background: #eff6ff;
  color: var(--community-primary-dark);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.16);
}

.page-header {
  display: flex;
  margin-bottom: 24px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.page-title {
  margin: 0;
  font-size: clamp(1.65rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.page-description {
  margin: 0.5rem 0 0;
  color: var(--community-muted);
  font-size: 0.92rem;
}

.page-primary-action {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.35rem;
}

.surface-card {
  border: 1px solid var(--community-border);
  border-radius: var(--community-radius);
  background: var(--community-surface);
  box-shadow: var(--community-shadow);
}

.board-table-wrap {
  overflow: hidden;
}

.board-table {
  margin: 0;
}

.board-table > :not(caption) > * > * {
  padding: 1rem 1.1rem;
  border-bottom-color: #eef0f3;
}

.board-table thead th {
  border-bottom-width: 1px;
  background: var(--community-soft);
  color: var(--community-muted);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.board-table tbody tr:last-child td {
  border-bottom: 0;
}

.board-table tbody tr:hover {
  background: #fbfdff;
}

.board-number,
.board-metric {
  color: var(--community-muted);
  font-size: 0.86rem;
}

.board-title-link {
  color: var(--community-ink);
  font-weight: 650;
  text-decoration: none;
}

.board-title-link:hover {
  color: var(--community-primary);
}

.board-author {
  color: #374151;
  font-size: 0.88rem;
}

.board-mobile-list {
  overflow: hidden;
}

.board-mobile-item {
  display: block;
  padding: 1rem;
  border-bottom: 1px solid #eef0f3;
  text-decoration: none;
}

.board-mobile-item:last-child {
  border-bottom: 0;
}

.board-mobile-item:hover {
  background: #fbfdff;
}

.board-mobile-title {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 700;
}

.board-mobile-meta {
  display: flex;
  color: var(--community-muted);
  font-size: 0.76rem;
  gap: 0.75rem;
}

.empty-state {
  padding: 4rem 1rem;
  color: var(--community-muted);
  text-align: center;
}

.board-pagination {
  padding: 1.25rem;
  border-top: 1px solid var(--community-border);
}

.pagination {
  margin: 0;
}

.page-link {
  min-width: 36px;
  border: 0;
  border-radius: 7px !important;
  color: var(--community-muted);
  text-align: center;
}

.page-link:hover {
  background: #eff6ff;
  color: var(--community-primary);
}

.page-item.active .page-link {
  background: var(--community-primary);
}

.board-article {
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.article-title {
  margin: 0;
  font-size: clamp(1.55rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.article-meta-row {
  display: flex;
  margin-top: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--community-border);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.article-author {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.7rem;
}

.author-avatar {
  display: inline-flex;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e5e7eb;
  color: #4b5563;
  font-size: 0.82rem;
  font-weight: 800;
}

.author-name {
  display: block;
  font-weight: 700;
}

.article-date {
  display: block;
  color: var(--community-muted);
  font-size: 0.78rem;
}

.article-metrics {
  display: flex;
  color: var(--community-muted);
  font-size: 0.82rem;
  gap: 1rem;
  white-space: nowrap;
}

.article-content {
  min-height: 220px;
  padding: 2rem 0;
  color: #1f2937;
  line-height: 1.85;
  white-space: pre-wrap;
}

.article-actions {
  display: flex;
  padding-top: 1.25rem;
  border-top: 1px solid var(--community-border);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.article-action-group {
  display: flex;
  gap: 0.65rem;
}

.comment-card {
  margin-top: 1.25rem;
  padding: clamp(1.25rem, 4vw, 1.75rem);
}

.section-heading {
  display: flex;
  margin-bottom: 1rem;
  align-items: center;
  gap: 0.55rem;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
}

.count-badge {
  display: inline-flex;
  min-width: 1.6rem;
  height: 1.6rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #eff6ff;
  color: var(--community-primary);
  font-size: 0.78rem;
  font-weight: 750;
}

.comment-list {
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: 1px solid var(--community-border);
  border-radius: 10px;
  list-style: none;
}

.comment-item {
  padding: 1rem;
  border-bottom: 1px solid var(--community-border);
}

.comment-item:last-child {
  border-bottom: 0;
}

.comment-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.comment-head strong {
  font-size: 0.9rem;
}

.comment-head time {
  margin-left: 0.5rem;
  color: var(--community-muted);
  font-size: 0.76rem;
}

.comment-item > p,
.reply-list p {
  margin: 0.5rem 0 0;
  color: #374151;
  line-height: 1.65;
  white-space: pre-wrap;
}

.reply-list {
  margin: 1rem 0 0;
  padding: 0.8rem 0 0 1rem;
  border-top: 1px solid var(--community-border);
  list-style: none;
}

.reply-list li + li {
  margin-top: 0.85rem;
}

.comment-reply-form form {
  display: grid;
  margin-top: 0.85rem;
  justify-items: end;
  gap: 0.65rem;
}

.comment-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-top: 1rem;
  align-items: end;
  gap: 0.75rem;
}

.comment-form .form-control {
  min-height: 90px;
}

.compact-empty {
  padding: 2.5rem 1rem;
}

.compact-empty p {
  margin: 0;
  color: #4b5563;
  font-weight: 650;
}

.compact-empty span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.86rem;
}

.editor-card {
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.editor-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--community-border);
}

.editor-actions {
  display: flex;
  margin-top: 2rem;
  justify-content: flex-end;
  gap: 0.65rem;
}

.form-label {
  color: #374151;
  font-size: 0.88rem;
  font-weight: 700;
}

.form-control {
  border-color: #dfe3e8;
  border-radius: 8px;
}

.form-control::placeholder {
  color: #b0b7c3;
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.7fr);
  gap: 1.25rem;
}

.profile-summary,
.profile-edit-card {
  padding: clamp(1.5rem, 4vw, 2rem);
}

.profile-summary {
  text-align: center;
}

.profile-avatar {
  display: inline-flex;
  width: 72px;
  height: 72px;
  margin-bottom: 1rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e8efff;
  color: var(--community-primary);
  font-size: 1.4rem;
  font-weight: 800;
}

.profile-name {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
}

.profile-email {
  margin: 0.35rem 0 0;
  color: var(--community-muted);
  font-size: 0.88rem;
}

.profile-status {
  display: inline-flex;
  margin-top: 1rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  font-size: 0.75rem;
  font-weight: 700;
}

.profile-info-grid {
  display: grid;
  margin-bottom: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.profile-info {
  padding: 1rem;
  border: 1px solid var(--community-border);
  border-radius: 10px;
  background: var(--community-soft);
}

.profile-info-label {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--community-muted);
  font-size: 0.75rem;
}

.profile-info-value {
  display: block;
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-footer {
  flex: 0 0 auto;
  padding: 1.4rem 0;
  border-top: 1px solid var(--community-border);
  background: var(--community-surface);
  color: var(--community-muted);
  font-size: 0.78rem;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
}

.site-footer-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #c4c9d1;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

@media (max-width: 767.98px) {
  .site-navbar {
    min-height: 56px;
  }

  .site-brand {
    margin-right: 0;
  }

  .site-brand-image {
    width: 112px;
  }

  .navbar-toggler {
    padding: 0.25rem 0.4rem;
    border: 0;
  }

  .navbar-collapse {
    margin-top: 0.5rem;
    padding: 0.75rem 0 1rem;
    border-top: 1px solid var(--community-border);
  }

  .site-nav-link {
    padding: 0.7rem 0 !important;
  }

  .site-nav-link::after {
    display: none;
  }

  .site-navbar-actions {
    margin-top: 0.65rem;
    margin-left: 0;
    align-items: stretch;
  }

  .site-navbar-actions .btn {
    flex: 1 1 auto;
  }

  .page-shell {
    padding-top: 28px;
    padding-bottom: 40px;
  }

  .page-header {
    margin-bottom: 18px;
    align-items: center;
  }

  .page-description {
    font-size: 0.84rem;
  }

  .article-meta-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-content {
    min-height: 180px;
    padding: 1.5rem 0;
  }

  .article-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .article-action-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .article-action-group .btn,
  .article-actions > .btn {
    width: 100%;
  }

  .comment-form {
    grid-template-columns: 1fr;
  }

  .comment-form .form-control,
  .comment-form .btn {
    width: 100%;
    border-radius: 8px !important;
  }

  .comment-form .btn {
    margin-top: 0;
  }

  .editor-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .editor-actions .btn {
    width: 100%;
  }

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

  .profile-info-grid {
    grid-template-columns: 1fr;
  }
}