:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --line: #d9e1ec;
  --line-strong: #c3cfdd;
  --text: #152236;
  --muted: #6c7b90;
  --primary: #2455d6;
  --primary-dark: #183b96;
  --green: #188a53;
  --red: #bb3030;
  --hover: #eef4ff;
  --shadow: 0 18px 40px rgba(17, 34, 68, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --content-max: 1440px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Pretendard, Apple SD Gothic Neo, Noto Sans KR, system-ui, sans-serif; color: var(--text); background: var(--bg); }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
textarea { resize: vertical; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 14px 20px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  height: 42px;
  padding: 0 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.brand-text { font-weight: 800; font-size: 1.2rem; }
.main-nav { display: inline-flex; gap: 8px; justify-self: center; }
.main-nav a {
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
}
.main-nav a.is-active, .main-nav a:hover { background: var(--hover); color: var(--primary-dark); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.auth-link {
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}
.auth-link-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.user-menu { position: relative; }
.avatar-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 7px 12px 7px 8px;
  cursor: pointer;
}
.avatar-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f246d, var(--primary));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.avatar-name { font-weight: 700; }
.user-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 10px;
  display: none;
}
.user-menu.is-open .user-dropdown { display: block; }
.user-card { padding: 10px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.user-card-name { font-weight: 800; }
.user-card-email { color: var(--muted); font-size: 0.9rem; }
.user-dropdown a { display: block; padding: 10px 12px; border-radius: 10px; }
.user-dropdown a:hover { background: var(--hover); }

.page-shell { max-width: var(--content-max); margin: 0 auto; padding: 28px 20px 48px; }
.section-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.section-grid { display: grid; gap: 24px; margin-top: 24px; }
.eyebrow { color: var(--primary); font-weight: 800; font-size: 0.88rem; margin-bottom: 8px; }
h1, h2 { margin: 0; }
p { color: var(--muted); line-height: 1.65; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.section-head.stack { align-items: flex-start; }
.section-head a { color: var(--primary); font-weight: 700; }

.hero {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.55fr 1fr;
  align-items: stretch;
}
.hero-copy, .compact-panel {
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 12px; }
.search-hero-form, .inline-search-form, .forms-filter-form, .board-search-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.search-hero-form input, .inline-search-form input, .forms-filter-form input, .forms-filter-form select, .board-search-form input,
.auth-form input, .auth-form textarea, .comment-form textarea, .comment-form input, .admin-form-grid textarea, .admin-form-grid input,
.admin-upload-form input[type=file], .panel-search input, .community-actions a, .field-editor-form input, .field-editor-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 14px;
  padding: 14px 16px;
  outline: none;
}
.search-hero-form input { flex: 1 1 420px; }
.search-hero-form button, .inline-search-form button, .forms-filter-form button, .board-search-form button,
.auth-form button, .comment-form button, .admin-form-grid button, .admin-upload-form button, .primary-link-btn, .viewer-control-btn,
.editor-save-btn, .panel-toggle {
  border: none;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  padding: 13px 18px;
  font-weight: 800;
  cursor: pointer;
}
.viewer-control-btn, .panel-toggle { padding: 10px 14px; }
.hero-stats { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.hero-stats span {
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--hover);
  color: var(--primary-dark);
  font-weight: 700;
}
.mini-card { display: flex; flex-direction: column; gap: 12px; height: 100%; }
.mini-links { display: grid; gap: 10px; }
.mini-links a, .post-list-item, .board-row, .admin-form-link {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  transition: 0.18s ease;
  background: #fff;
}
.mini-links a:hover, .post-list-item:hover, .board-row:hover, .admin-form-link:hover, .form-card:hover, .side-form-item:hover { border-color: #b7c8ef; box-shadow: 0 10px 18px rgba(36,85,214,0.08); transform: translateY(-1px); }
.home-grid { grid-template-columns: 1.45fr 0.85fr; }
.community-preview-grid, .search-results-grid, .post-detail-grid { grid-template-columns: 1fr 1fr; }
.post-detail-grid { align-items: start; }
.form-card-list, .forms-list-grid { display: grid; gap: 14px; }
.forms-list-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.form-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 18px rgba(20,34,54,0.04);
}
.form-card strong { font-size: 1rem; }
.form-card p { margin: 0; }
.form-card-top, .side-form-top { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef1f6;
  color: #5a6781;
  font-size: 0.78rem;
  font-weight: 800;
}
.badge-blue { background: #edf2ff; color: var(--primary-dark); }
.badge-green { background: #e8fbf2; color: var(--green); }
.badge-danger { background: #ffeceb; color: var(--red); }
.post-list, .board-list, .comment-list { display: grid; gap: 12px; }
.post-list-item strong, .board-row strong { display: block; margin-bottom: 6px; }
.post-list-item span, .board-row-meta, .post-meta, .comment-head span { color: var(--muted); font-size: 0.92rem; }
.board-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; }
.board-row-main p { margin: 0; }
.board-row-meta { display: grid; gap: 6px; justify-items: end; align-content: start; }

.forms-page-grid, .community-page-grid { grid-template-columns: 1fr 320px; align-items: start; }
.ad-placeholder {
  min-height: 220px;
  border: 1px dashed #b5c5df;
  border-radius: 20px;
  background: linear-gradient(180deg, #fafcff 0%, #f3f7ff 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  padding: 16px;
}
.ad-placeholder.tall { min-height: 420px; }
.ad-label { font-size: 0.8rem; font-weight: 800; color: var(--primary); text-transform: uppercase; letter-spacing: 0.05em; }
.ad-copy { color: var(--muted); }

.viewer-layout {
  display: grid;
  grid-template-columns: 320px 1fr 360px;
  gap: 20px;
  align-items: start;
}
.viewer-left, .viewer-right {
  position: sticky;
  top: 88px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 16px;
  max-height: calc(100vh - 110px);
  overflow: auto;
}
.viewer-left.is-collapsed {
  width: 72px;
  padding: 16px 12px;
}
.viewer-left.is-collapsed .panel-search,
.viewer-left.is-collapsed .form-list-side,
.viewer-left.is-collapsed .panel-head strong { display: none; }
.viewer-center {
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 18px;
}
.viewer-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-bottom: 14px;
}
.viewer-controls { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.viewer-controls select {
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
}
.page-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.page-tab {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
}
.page-tab.is-active { background: var(--hover); color: var(--primary-dark); border-color: #c3d4ff; }
.viewer-stage-wrap {
  position: relative;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #f6f9fd;
  overflow: auto;
  max-height: calc(100vh - 220px);
  min-height: 540px;
}
.viewer-stage {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 18px;
}
.form-canvas {
  position: relative;
  transform-origin: top center;
}
.form-image { display: block; width: 100%; height: 100%; border-radius: 10px; box-shadow: 0 16px 40px rgba(17,34,68,0.12); background: white; }
.field-layer {
  position: absolute;
  inset: 0;
}
.field-box {
  position: absolute;
  border: 2px solid rgba(36,85,214,0.45);
  background: rgba(36,85,214,0.08);
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}
.field-box:hover { border-color: rgba(36,85,214,0.9); background: rgba(36,85,214,0.14); }
.field-box.is-active { border-color: #2455d6; background: rgba(36,85,214,0.18); box-shadow: 0 0 0 3px rgba(36,85,214,0.14); }
.field-box.is-admin { cursor: move; }
.resize-handle {
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: #2455d6;
  display: none;
}
.field-box.is-active.is-admin .resize-handle { display: block; }
.hover-card {
  position: fixed;
  z-index: 55;
  max-width: 320px;
  background: rgba(16, 26, 49, 0.96);
  color: #fff;
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: 0 20px 40px rgba(5,12,27,0.32);
  pointer-events: none;
}
.hover-card strong { display: block; margin-bottom: 6px; }
.hover-card p { color: rgba(255,255,255,0.82); margin: 0; font-size: 0.95rem; }
.field-info-card, .field-comments-card, .admin-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  margin-top: 14px;
}
.field-title-row { display: flex; align-items: start; justify-content: space-between; gap: 10px; }
.field-title-row strong { font-size: 1.05rem; }
.close-field-btn {
  border: none;
  background: #eef2fb;
  color: var(--primary-dark);
  border-radius: 999px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-weight: 800;
}
.detail-list { display: grid; gap: 8px; margin-top: 14px; }
.detail-item { padding-left: 14px; position: relative; color: var(--muted); line-height: 1.6; }
.detail-item::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.comment-form { display: grid; gap: 10px; margin-top: 16px; }
.comment-list.compact .comment-item { padding: 14px 0; border-top: 1px solid var(--line); }
.comment-item:first-child { border-top: 0; }
.comment-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.comment-body, .post-content { line-height: 1.75; color: #2b3a4f; }
.comment-citation { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.citation-chip {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f2f6fb;
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
}
.field-comments-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.login-box-inline, .empty-state {
  padding: 16px;
  border-radius: 14px;
  background: #f7f9fc;
  color: var(--muted);
  text-align: center;
}
.empty-state.small { padding: 14px; font-size: 0.95rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; }
.panel-head.sticky { position: sticky; top: -16px; background: #fff; padding-top: 2px; z-index: 3; }
.form-list-side { display: grid; gap: 10px; }
.side-form-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}
.side-form-item.is-active { border-color: #bfd2ff; background: #f5f9ff; }
.side-form-item span { color: var(--muted); font-size: 0.9rem; }

.auth-shell { display: flex; justify-content: center; align-items: flex-start; padding-top: 36px; }
.auth-card { width: min(100%, 460px); }
.wide-shell .wide-card { width: min(100%, 880px); }
.auth-form, .admin-form-grid, .admin-upload-form { display: grid; gap: 16px; }
.auth-form label, .admin-form-grid label, .admin-upload-form label, .comment-form label, .field-editor-form label { display: grid; gap: 8px; }
.form-error {
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff1f0;
  color: var(--red);
  font-weight: 700;
  margin-bottom: 12px;
}
.auth-switch { margin-top: 14px; color: var(--muted); }
.auth-switch a { color: var(--primary); font-weight: 700; }

.admin-grid { display: grid; gap: 24px; }
.admin-forms-card .admin-form-links { display: grid; gap: 10px; max-height: 520px; overflow: auto; }
.admin-form-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.admin-form-link span { color: var(--primary-dark); font-weight: 800; }
.field-editor-form { display: grid; gap: 10px; }
.field-editor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.field-editor-grid label span { font-size: 0.86rem; color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 18px 20px 30px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}

@media (max-width: 1200px) {
  .viewer-layout { grid-template-columns: 280px 1fr; }
  .viewer-right { position: static; max-height: none; grid-column: 1 / -1; }
}

@media (max-width: 980px) {
  .header-inner { grid-template-columns: 1fr; justify-items: start; }
  .main-nav { justify-self: start; overflow: auto; }
  .hero, .home-grid, .community-preview-grid, .search-results-grid, .forms-page-grid, .community-page-grid, .post-detail-grid { grid-template-columns: 1fr; }
  .viewer-layout { grid-template-columns: 1fr; }
  .viewer-left, .viewer-right { position: static; max-height: none; }
  .viewer-stage-wrap { min-height: 420px; max-height: none; }
}

@media (max-width: 720px) {
  .page-shell { padding: 18px 14px 36px; }
  .section-card, .hero-copy, .compact-panel, .viewer-center, .viewer-left, .viewer-right { padding: 18px; border-radius: 18px; }
  .brand-text { font-size: 1rem; }
  .avatar-name { display: none; }
  .viewer-header { flex-direction: column; align-items: flex-start; }
  .field-editor-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; }
}