:root {
  --dc-admin-bg: #f3f1ec;
  --dc-admin-sidebar: #1c1a17;
  --dc-admin-sidebar-text: rgba(255, 255, 255, 0.72);
  --dc-admin-sidebar-active: #fff;
  --dc-admin-card: #fff;
  --dc-admin-border: rgba(0, 0, 0, 0.08);
  --dc-admin-ink: #1c1a17;
  --dc-admin-muted: rgba(28, 26, 23, 0.55);
  --dc-admin-accent: #6b4f3a;
  --dc-admin-accent-hover: #563f2e;
  --dc-admin-danger: #b42318;
  --dc-admin-success: #1e7a46;
  --dc-admin-sidebar-width: 248px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

.dc-admin-body {
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--dc-admin-ink);
  background: var(--dc-admin-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.dc-admin-gate-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.dc-admin-gate-card {
  width: min(100%, 420px);
  padding: 36px 28px;
  background: var(--dc-admin-card);
  border: 1px solid var(--dc-admin-border);
  text-align: center;
}

.dc-admin-gate-card h1 {
  margin: 0 0 12px;
  font-size: 28px;
}

.dc-admin-gate-card p {
  margin: 0 0 24px;
  color: var(--dc-admin-muted);
  line-height: 1.6;
}

.dc-admin-gate-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.dc-admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--dc-admin-sidebar-width) 1fr;
}

.dc-admin-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--dc-admin-sidebar);
  color: var(--dc-admin-sidebar-text);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  z-index: 30;
}

.dc-admin-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 12px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 20px;
}

.dc-admin-brand strong {
  color: #fff;
  font-size: 18px;
}

.dc-admin-brand span {
  font-size: 13px;
}

.dc-admin-nav {
  flex: 1;
  overflow: auto;
}

.dc-admin-nav-group + .dc-admin-nav-group {
  margin-top: 28px;
}

.dc-admin-nav-label {
  margin: 0 12px 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

.dc-admin-nav-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 11px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.dc-admin-nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.dc-admin-nav-item.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--dc-admin-sidebar-active);
  font-weight: 600;
}

.dc-admin-sidebar-foot {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.dc-admin-side-link {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.dc-admin-side-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.dc-admin-main {
  padding: 28px 32px 48px;
  min-width: 0;
}

.dc-admin-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.dc-admin-topbar h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.dc-admin-page-desc {
  margin: 4px 0 0;
  color: var(--dc-admin-muted);
  font-size: 14px;
}

.dc-admin-topbar .dc-admin-btn {
  margin-left: 0;
}

.dc-admin-topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.dc-admin-menu-toggle {
  display: none;
  border: 1px solid var(--dc-admin-border);
  background: #fff;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
}

.dc-admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--dc-admin-border);
  background: #fff;
  color: var(--dc-admin-ink);
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.dc-admin-btn-primary {
  background: var(--dc-admin-accent);
  border-color: var(--dc-admin-accent);
  color: #fff;
}

.dc-admin-btn-primary:hover {
  background: var(--dc-admin-accent-hover);
  border-color: var(--dc-admin-accent-hover);
}

.dc-admin-status {
  margin: 0 0 14px;
  font-size: 14px;
}

.dc-admin-status.is-error {
  color: var(--dc-admin-danger);
}

.dc-admin-status.is-success {
  color: var(--dc-admin-success);
}

.dc-admin-panel {
  background: var(--dc-admin-card);
  border: 1px solid var(--dc-admin-border);
  border-radius: 12px;
  padding: 8px;
}

.dc-admin-table-wrap {
  overflow-x: auto;
}

.dc-admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

.dc-admin-table th,
.dc-admin-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--dc-admin-border);
  text-align: left;
  font-size: 14px;
  vertical-align: top;
}

.dc-admin-table th {
  color: var(--dc-admin-muted);
  font-weight: 600;
  background: rgba(0, 0, 0, 0.02);
}

.dc-admin-empty {
  text-align: center !important;
  color: var(--dc-admin-muted);
  padding: 40px 12px !important;
}

.dc-admin-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--dc-admin-border);
  border-radius: 6px;
  font-size: 12px;
  line-height: 1;
}

.dc-admin-badge.is-admin {
  border-color: rgba(28, 26, 23, 0.45);
  font-weight: 600;
}

.dc-admin-inquiry-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--dc-admin-accent);
  border-radius: 6px;
  background: var(--dc-admin-accent);
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.dc-admin-inquiry-btn:hover {
  background: var(--dc-admin-accent-hover);
  border-color: var(--dc-admin-accent-hover);
}

.dc-mail-delete-btn {
  border-color: #b42318;
  background: #b42318;
}

.dc-mail-delete-btn:hover {
  border-color: #912018;
  background: #912018;
}

.dc-mail-delete-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.dc-admin-inquiry-done {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--dc-admin-border);
  border-radius: 6px;
  color: var(--dc-admin-muted);
  font-size: 12px;
  background: rgba(0, 0, 0, 0.02);
}

.dc-admin-select {
  min-height: 34px;
  padding: 0 8px;
  border: 1px solid var(--dc-admin-border);
  border-radius: 6px;
  background: #fff;
}

.dc-admin-actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dc-admin-action {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--dc-admin-border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 12px;
}

.dc-admin-action.is-promote {
  border-color: rgba(28, 26, 23, 0.45);
  font-weight: 600;
}

.dc-admin-action:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.dc-admin-message-cell {
  max-width: 320px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
}

.dc-admin-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.dc-admin-pagination[hidden],
.dc-admin-panel[hidden],
.dc-mail-search-wrap[hidden] {
  display: none !important;
}

.dc-admin-pagination-pages {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.dc-admin-page-btn,
.dc-admin-page-num {
  min-width: 40px;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--dc-admin-border);
  border-radius: 8px;
  background: #fff;
  color: var(--dc-admin-ink);
  cursor: pointer;
  font-size: 14px;
}

.dc-admin-page-num.is-active {
  background: var(--dc-admin-accent);
  border-color: var(--dc-admin-accent);
  color: #fff;
  font-weight: 600;
}

.dc-admin-page-btn:hover:not(:disabled),
.dc-admin-page-num:hover:not(.is-active) {
  border-color: rgba(28, 26, 23, 0.35);
  background: rgba(0, 0, 0, 0.03);
}

.dc-admin-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.dc-folder-input {
  min-width: 140px;
  width: 100%;
}

.dc-mail-search-wrap {
  margin-bottom: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.dc-mail-search-input {
  width: min(100%, 360px);
  min-height: 40px;
}

.dc-mail-status-filter {
  min-height: 40px;
  min-width: 140px;
}

.dc-mail-upload-box {
  padding: 16px;
}

.dc-mail-upload-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.dc-mail-upload-count {
  margin: 0;
  color: var(--dc-admin-muted);
}

.dc-mail-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.dc-mail-thumb {
  position: relative;
  border: 1px solid var(--dc-admin-border);
  border-radius: 8px;
  overflow: hidden;
  background: #f7f5f1;
}

.dc-mail-thumb img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.dc-mail-thumb button {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  cursor: pointer;
}

.dc-mail-thumb span {
  display: block;
  padding: 6px;
  font-size: 11px;
  color: var(--dc-admin-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dc-mail-list-thumb {
  width: 64px;
  height: 64px;
  object-fit: contain;
  object-position: center;
  border-radius: 6px;
  border: 1px solid var(--dc-admin-border);
  background: #f7f5f1;
}

.dc-admin-backdrop {
  display: none;
}

@media (max-width: 960px) {
  .dc-admin-shell {
    grid-template-columns: 1fr;
  }

  .dc-admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: min(84vw, var(--dc-admin-sidebar-width));
    transform: translateX(-105%);
    transition: transform 0.2s ease;
  }

  .dc-admin-body.is-sidebar-open .dc-admin-sidebar {
    transform: translateX(0);
  }

  .dc-admin-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .dc-admin-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 20;
  }

  .dc-admin-main {
    padding: 18px 16px 40px;
  }

  .dc-admin-topbar h1 {
    font-size: 22px;
  }
}

.dc-admin-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(20, 16, 12, 0.45);
}

.dc-admin-modal[hidden] {
  display: none !important;
}

.dc-admin-modal-card {
  width: min(480px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--dc-admin-border);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.18);
}

.dc-admin-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 0;
}

.dc-admin-modal-head h2 {
  margin: 0;
  font-size: 20px;
}

.dc-admin-modal-close {
  border: 0;
  background: transparent;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  color: var(--dc-admin-muted);
}

.dc-admin-modal-form {
  display: grid;
  gap: 14px;
  padding: 18px 20px 20px;
}

.dc-admin-field {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--dc-admin-muted);
}

.dc-admin-field input,
.dc-admin-field select {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--dc-admin-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--dc-admin-ink);
  background: #fff;
}

.dc-admin-modal-hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--dc-admin-muted);
}

.dc-admin-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.dc-admin-action.is-danger {
  color: var(--dc-admin-danger);
  border-color: rgba(180, 50, 50, 0.35);
}

.dc-admin-action.is-danger:hover {
  background: rgba(180, 50, 50, 0.08);
}

.dc-admin-actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}