/* ══════════════════════════════════════════════════════════════════════════
   매체/지면 선택 — Step 1
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Step1 화면 너비 확장 ────────────────────────────────────────────────── */
.step1-container {
  max-width: 1500px !important;
}

/* ── Step1 좌우 분할 레이아웃 ───────────────────────────────────────────── */
.ms-step1-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

/* ── 왼쪽: 선택된 배너 패널 ─────────────────────────────────────────────── */
.ms-selected-panel {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 200px);
  position: sticky;
  top: 0;
}

.ms-selected-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.ms-selected-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ms-selected-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
}

.ms-selected-list {
  overflow-y: auto;
  flex: 1;
  padding: 8px 0;
}

.ms-sel-empty {
  padding: 24px 14px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

/* 선택된 배너 카드 아이템 */
.ms-sel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 12px;
  transition: background var(--transition);
  cursor: default;
}

.ms-sel-item:hover {
  background: var(--bg3);
}

/* 배너 모양 미리보기 */
.ms-sel-preview {
  flex-shrink: 0;
  width: 64px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  border-radius: 4px;
  overflow: hidden;
}

.ms-sel-ratio {
  background: rgba(186,158,255,0.2);
  border: 1px solid var(--primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.ms-sel-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.ms-sel-item-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.ms-sel-item-dims {
  font-size: 10px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.ms-sel-item-media {
  font-size: 10px;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.ms-sel-item-remove {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  padding: 0;
  font-family: inherit;
}

.ms-sel-item-remove:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

/* ── 오른쪽: 메인 영역 ───────────────────────────────────────────────────── */
.ms-main-area {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── 전체 래퍼 (레거시 유지) ────────────────────────────────────────────── */
.ms-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ms-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

/* ── 매체 탭 ────────────────────────────────────────────────────────────── */
.ms-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
}

.ms-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px 12px;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  width: 100%;
  transition: border-color var(--transition), background var(--transition);
  color: var(--text);
  font-family: inherit;
  position: relative;
}

.ms-tab:hover {
  border-color: var(--border-2);
  background: var(--bg3);
}

.ms-tab.active {
  border-color: var(--primary);
  background: rgba(186,158,255,0.1);
}

.ms-tab-icon {
  width: 28px;
  height: 20px;
  object-fit: contain;
}

.ms-tab-initials {
  width: 28px;
  height: 20px;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: -0.5px;
}

.ms-tab-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
}

.ms-tab-label {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.2;
}

.ms-tab.active .ms-tab-name {
  color: var(--primary);
}

.ms-tab-custom {
  border-style: dashed;
}

.ms-tab-loading {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── 사이즈 영역 구분선 ─────────────────────────────────────────────────── */
.ms-sizes-area {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

/* ── 뱃지 ────────────────────────────────────────────────────────────────── */
.ms-col-badge,
.ms-single-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}

.ms-badge-transparent {
  background: var(--bg3);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.ms-badge-background {
  background: var(--bg3);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ── 단일 레이아웃 ──────────────────────────────────────────────────────── */
.ms-single {
  display: flex;
  flex-direction: column;
}

.ms-single-top {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}

.ms-single-top .ms-single-badge {
  margin-bottom: 0;
}

.ms-groups-wrap {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 24px;
}

/* ── 듀얼 레이아웃 ──────────────────────────────────────────────────────── */
.ms-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

/* 듀얼/버즈빌 카드: 최대 3열, 간격 넓게 */
.ms-dual .ms-cards-grid,
[data-media-id="6"] .ms-cards-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

/* 단일 그룹 매체 (구글, 모비온, 몰로코, 크리테오): 최대 6열, 같은 간격 */
[data-media-id="1"] .ms-cards-grid,
[data-media-id="4"] .ms-cards-grid,
[data-media-id="5"] .ms-cards-grid,
[data-media-id="8"] .ms-cards-grid {
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.ms-col {
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition);
}

.ms-col.col-disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* 듀얼 레이아웃: 비활성 그룹 dim */
.ms-group.grp-disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ── 그룹 ────────────────────────────────────────────────────────────────── */
.ms-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  min-width: 180px;
}

.ms-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ms-group-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.ms-select-all {
  font-size: 12px;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: inherit;
  transition: color var(--transition), background var(--transition);
}

.ms-select-all:hover {
  color: var(--text);
  background: var(--bg3);
}

/* ── 카드 그리드 ─────────────────────────────────────────────────────────── */
.ms-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 8px;
}

/* ── 사이즈 카드 ─────────────────────────────────────────────────────────── */
.ms-card {
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 8px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}

.ms-card:hover {
  border-color: var(--border-2);
  background: var(--bg3);
}

.ms-card.selected {
  border-color: var(--primary);
  background: rgba(186,158,255,0.1);
}

.ms-card-preview {
  width: 100%;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  border-radius: 4px;
  overflow: hidden;
}

.ms-card-ratio {
  background: var(--bg4);
  border-radius: 2px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.ms-card.selected .ms-card-ratio {
  background: rgba(186,158,255,0.25);
  border-color: var(--primary);
}

.ms-card-dims {
  font-size: 11px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ms-card-label {
  font-size: 11px;
  color: var(--text);
  text-align: center;
  line-height: 1.3;
  word-break: keep-all;
}

.ms-card.selected .ms-card-label {
  color: var(--primary);
}

/* 이미 생성된 사이즈 카드 */
.ms-card.ms-card-exists {
  opacity: 0.45;
  cursor: not-allowed;
  border-color: var(--border);
  position: relative;
}

.ms-card.ms-card-exists:hover {
  background: var(--bg2);
  border-color: var(--border);
}

.ms-card-exists-badge {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  border-radius: 4px;
}

.ms-card-exists-badge .material-symbols-outlined {
  font-size: 22px;
  color: #6ee7b7;
  opacity: 0.9;
}

/* ── 커스텀 사이즈 ──────────────────────────────────────────────────────── */
.ms-custom-form {
  max-width: 480px;
  padding: 8px 0;
}

.ms-custom-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.ms-custom-inputs {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.ms-custom-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.ms-custom-field label {
  font-size: 12px;
  color: var(--text-muted);
}

.ms-custom-field input {
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  padding: 10px 12px;
  font-family: inherit;
  width: 100%;
  transition: border-color var(--transition);
}

.ms-custom-field input:focus {
  outline: none;
  border-color: var(--accent);
}

.ms-custom-sep {
  font-size: 20px;
  color: var(--text-muted);
  padding-bottom: 10px;
}

.ms-custom-preview {
  margin-top: 14px;
}

/* 원본 이미지 재사용 안내 */
.source-reuse-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: rgba(186,158,255,0.08);
  border: 1px solid rgba(186,158,255,0.25);
  border-radius: 10px;
  margin-top: 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
}
.source-reuse-notice .material-symbols-outlined { font-size: 22px; }

.source-reuse-preview {
  margin-top: 16px;
  border-radius: 10px;
  overflow: hidden;
  max-width: 480px;
  border: 1px solid var(--border);
}
.source-reuse-preview img {
  width: 100%;
  display: block;
  border-radius: 10px;
}

.ms-custom-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(186,158,255,0.12);
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
}

/* ══════════════════════════════════════════════════════════════════════════
   이미지 업로드 — Step 2
   ══════════════════════════════════════════════════════════════════════════ */
.step3-wrap {
  max-width: 560px;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  margin-top: 20px;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent);
  background: rgba(108, 99, 255, 0.05);
}

.upload-zone-icon { font-size: 36px; margin-bottom: 12px; }
.upload-zone-text { font-size: 15px; font-weight: 500; margin-bottom: 6px; }
.upload-zone-hint { font-size: 13px; color: var(--text-muted); }

.upload-preview {
  margin-top: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 400px;
}

.upload-preview img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
}

/* ══════════════════════════════════════════════════════════════════════════
   공통 — 섹션 텍스트
   ══════════════════════════════════════════════════════════════════════════ */
.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.section-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ══════════════════════════════════════════════════════════════════════════
   반응형
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .ms-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}

@media (max-width: 860px) {
  .ms-dual {
    grid-template-columns: 1fr;
  }
  .ms-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }
}

@media (max-width: 600px) {
  .ms-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }
  .ms-tabs {
    gap: 6px;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }
  .ms-tab {
    padding: 10px 6px 8px;
  }
}