/**
 * ============================================================================
 * SPA MDI Page CSS - Multi-Document Interface Page Styles
 * ============================================================================
 *
 * This file contains styles for MDI (Multi-Document Interface) pages:
 * - MDI Tabs (page switching tabs)
 * - Page Structure (topbar, header, search, content, sections)
 * - Page Layouts (tabs, split, horizontal)
 * - Page Components (breadcrumb, quick guide, etc.)
 *
 * Used by: spa-mdiPage.js
 * Dependencies: spa-portal.css (CSS variables)
 *
 * Version: 1.0.0
 * Date: 2025-11-15
 * ============================================================================
 */


/* ============================================================================
 * MDI TABS (Multi-Document Interface Tabs)
 * ============================================================================ */

/* MDI Tabs Container */
.mdi-tabs {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}

.mdi-tabs::-webkit-scrollbar {
  display: none;
}

/* Individual MDI Tab */
.mdi-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.mdi-tab:hover {
  background-color: var(--color-surface-2);
  color: var(--color-text-primary);
}

.mdi-tab--active {
  background-color: var(--color-surface-elevated);
  color: var(--color-primary);
  border-bottom-color: transparent;
}

.mdi-tab__close {
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.mdi-tab__close:hover {
  background-color: var(--color-error);
  color: white;
}


/* ============================================================================
 * PAGE STRUCTURE COMPONENTS
 * ============================================================================ */

/* Page TopBar - Optional breadcrumb and window controls */
.page-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  min-height: var(--size-control-md);
  flex-shrink: 0;
}

.page-topbar__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.breadcrumb-item {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb-item:hover {
  color: var(--color-primary);
  cursor: pointer;
}

.breadcrumb-separator {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.page-topbar__actions {
  display: flex;
  gap: var(--space-1);
}

.page-topbar__btn {
  padding: var(--space-1) var(--space-2);
  background-color: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.page-topbar__btn:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
}

/* Page Header - Title and main action buttons (Dark Header Theme) */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: linear-gradient(135deg, #2d4a6f 0%, #3d5a80 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

/* Dark theme - page-header */
[data-theme="dark"] .page-header {
  background: linear-gradient(135deg, #1b2838 0%, #243447 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.page-header__title {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-header__name {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
  margin: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.page-header__desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.page-header__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}

/* page-header 내 조회조건 토글 버튼 스타일 */
.page-header__left .btn,
.page-header__left button {
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.page-header__left .btn:hover,
.page-header__left button:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.page-header__left .btn.btn-primary,
.page-header__left button.btn-primary {
  color: var(--color-warning);
  background-color: rgba(255, 193, 7, 0.2);
  border-color: var(--color-warning);
}

.page-header__left .btn i,
.page-header__left button i {
  color: inherit;
}

/* page-header 내 액션 버튼 스타일 (밝은 색상) */
.page-header__actions .btn,
.page-header__actions button {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.4);
  background-color: rgba(255, 255, 255, 0.1);
}

.page-header__actions .btn:hover,
.page-header__actions button:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
}

.page-header__actions .btn i,
.page-header__actions button i {
  color: rgba(255, 255, 255, 0.9);
}

/* Primary/Secondary 버튼은 원래 색상 유지 */
.page-header__actions .btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

.page-header__actions .btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.page-header__actions .btn-secondary {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #FFFFFF;
}

.page-header__actions .btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

/* Page Search Conditions - Layered collapsible search form */
/* 조회조건 Wrapper - 상대 위치 기준점 */
.page-search-wrapper {
  position: relative;
  flex-shrink: 0;
  z-index: var(--z-page-header);
}

/* 조회조건 BAR - 클릭하여 토글 */
.page-search-bar {
  background-color: var(--color-surface-1);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  user-select: none;
}

.page-search-bar__toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  transition: background-color var(--transition-fast);
}

.page-search-bar__toggle:hover {
  background-color: var(--color-surface-2);
}

.page-search-bar__toggle i.fa-filter {
  color: var(--color-primary);
}

.page-search-bar__icon {
  margin-left: auto;
  transition: transform var(--transition-slow);
}

.page-search-bar--expanded .page-search-bar__icon {
  transform: rotate(180deg);
}

/* 조회조건 Layer - 절대 위치로 페이지 내용 위에 겹침 */
.page-search {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-surface-1);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), box-shadow var(--transition-slow), padding var(--transition-slow);
  border-bottom: none;
  box-shadow: none;
  padding: 0 !important;
  z-index: calc(var(--z-page-header) + 1);
}

.page-search--visible {
  max-height: 500px;
  overflow-y: auto;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: var(--space-2) var(--space-3) !important;
}

.page-search__form {
  background-color: #f5f7fa;
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.page-search__actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
  align-items: flex-start;
}

/* Page Content - Main content area */
.page-content {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  background-color: var(--color-divider);
}

.page-hidden-content {
  display: none !important;
}

/* Page Tabs - Tab navigation for content sections */
.page-tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-tabs::-webkit-scrollbar {
  display: none;
}

.page-tab {
  padding: var(--space-3) var(--space-5);
  background-color: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  margin-bottom: -2px;
}

.page-tab:hover {
  color: var(--color-text-primary);
  background-color: var(--color-surface-hover);
}

.page-tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.page-tab-content {
  display: none;
}

.page-tab-content--active {
  display: block;
}

/* Page Section - Content sections within page */
.page-section {
  background-color: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

.page-section:last-child {
  margin-bottom: 0;
}

.page-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}

.page-section__title {
  font-family: var(--font-title);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.page-section__actions {
  display: flex;
  gap: var(--space-2);
}

.page-section__content {
  padding: 0;
}

.page-section__search {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-dark);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  width: 100%;
  transition: border-color var(--transition-fast);
}

.page-section__search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha);
}

/* Page Section Variants */
.page-section--master,
.page-section--detail,
.page-section--list,
.page-section--preview {
  margin-bottom: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.page-section--master .page-section__content,
.page-section--detail .page-section__content,
.page-section--list .page-section__content,
.page-section--preview .page-section__content {
  flex: 1;
  overflow-y: auto;
}


/* ============================================================================
 * PAGE LAYOUT PATTERNS
 * ============================================================================ */

/* Page Layout - Tabs */
.page-layout--tabs {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Page Layout - Split (two columns) */
.page-layout--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  height: 100%;
}

/* Page Layout - Horizontal (sidebar + content) */
.page-layout--horizontal {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-4);
  height: 100%;
}

/* Page Quick Guide - 주의사항/안내 영역 */
.page-quick-guide {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: #fef3c7;
  border: 1px solid #fbbf24;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: #92400e;
  white-space: nowrap;
  margin-right: var(--space-3);
}

.page-quick-guide i {
  color: #f59e0b;
  font-size: var(--font-size-base);
}

.page-quick-guide span {
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Grid Layout Classes - 반응형 그리드 */
.grid-col-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3) var(--space-4);
  align-items: start;
}

.grid-col-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3) var(--space-4);
  align-items: start;
}

.grid-col-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3) var(--space-4);
  align-items: start;
}


/* ============================================================================
 * BUTTON VARIANTS FOR PAGE ACTIONS
 * → 버튼 스타일은 spa-controls.css로 통합됨
 * → 사용법: <button class="btn btn-primary">버튼</button>
 * → 클래스명 규칙: .btn-{variant} (싱글 하이픈)
 * ============================================================================ */


/* ============================================================================
 * RESPONSIVE PAGE LAYOUTS
 * ============================================================================ */

@media screen and (max-width: 1023px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .page-header__actions {
    width: 100%;
    justify-content: flex-start;
  }

  .page-search {
    flex-direction: column;
  }

  .page-search__actions {
    width: 100%;
    justify-content: flex-end;
  }

  .page-layout--split,
  .page-layout--horizontal {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 767px) {
  .page-topbar {
    padding: var(--space-2) var(--space-3);
  }

  .page-topbar__breadcrumb {
    font-size: var(--font-size-xs);
  }

  .page-header {
    padding: var(--space-3) var(--space-4);
  }

  .page-header__name {
    font-size: var(--font-size-xl);
  }

  .page-search {
    padding: var(--space-3) var(--space-4);
  }

  /* 조회조건 폼이 열렸을 때 하단 여백 추가 (버튼 공간 확보) */
  .page-search--visible .page-search__form {
    padding-bottom: calc(var(--space-3) + 60px) !important;
  }

  /* 조회조건 버튼 영역 - sticky bottom */
  .page-search-buttons {
    position: sticky !important;
    bottom: 0 !important;
    background-color: var(--color-surface-1) !important;
    padding: var(--space-3) !important;
    margin: 0 calc(var(--space-3) * -1) calc(var(--space-3) * -1) !important;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1) !important;
    z-index: var(--z-above) !important;
    border-top: 1px solid var(--color-border);
  }

  .page-content {
    padding: 0;
  }

  .page-section__header {
    padding: var(--space-3) var(--space-4);
  }

  .page-section__content {
    padding: var(--space-4);
  }

  .page-tabs {
    margin-bottom: var(--space-4);
  }

  .page-tab {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
  }

  /* 모바일: 그리드 1열로 변경 */
  .grid-col-4,
  .grid-col-3,
  .grid-col-2 {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  /* 버튼 영역은 전체 너비 사용 */
  .grid-col-4 > div[style*="grid-column"],
  .grid-col-3 > div[style*="grid-column"],
  .grid-col-2 > div[style*="grid-column"] {
    grid-column: 1 / -1 !important;
  }
}

/* 태블릿: 그리드 2열로 변경 */
@media screen and (min-width: 768px) and (max-width: 1023px) {
  .grid-col-4,
  .grid-col-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
}


/* ============================================================================
 * PAGE HEADER WRAPPER - Sticky Top with Illustration Background
 * ============================================================================ */

.page-header-wrapper {
  position: sticky;
  top: 0;
  z-index: var(--z-page-header);
  background: transparent;
  border-bottom: none;
  flex-shrink: 0;
  overflow: visible; /* page-cond가 잘리지 않도록 */
}

/* 일러스트 배경 (CSS 변수로 이미지 지정) */
/* 일러스트 배경 (짙은 배경에서 더 선명하게) */
.page-header-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  background-image: var(--illust-bg);
  background-size: contain;
  background-position: right center;
  background-repeat: no-repeat;
  opacity: 0.15;
  pointer-events: none;
  filter: brightness(1.5);
}

/* PAGE TOP - Breadcrumb Row (Dark Header Theme) */
.page-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, #1a365d 0%, #2d4a6f 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-xs);
}

/* Dark theme - page-top */
[data-theme="dark"] .page-top {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.page-top__actions {
  display: flex;
  gap: var(--space-1);
  margin-left: auto;  /* breadcrumb 없을 때도 우측 정렬 */
}

/* page-top 내 버튼 스타일 (밝은 색상) */
.page-top__actions .btn,
.page-top__actions button {
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.3);
}

.page-top__actions .btn:hover,
.page-top__actions button:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Breadcrumb Navigation */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__item {
  color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .breadcrumb__item {
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb__item--current {
  color: #FFFFFF;
  font-weight: var(--font-weight-semibold);
}

.breadcrumb__item--clickable {
  cursor: pointer;
  transition: color var(--transition-fast);
}

.breadcrumb__item--clickable:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.breadcrumb__separator {
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Page Header Left/Right */
.page-header__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.page-header__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Page Title Group */
.page-title-group {
  display: flex;
  flex-direction: column;
}

.page-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
  margin: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.page-desc {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* Toggle Icon */
.toggle-icon {
  transition: transform var(--transition-fast);
  font-size: 0.625rem;
  margin-left: var(--space-1);
}

/* Quick Guide Text */
.quick-guide {
  font-size: var(--font-size-xs);
  color: #FFB300; /* 밝은 노란색/주황색 - Light mode */
  font-style: italic;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Dark theme - quick-guide */
[data-theme="dark"] .quick-guide {
  color: rgba(255, 200, 100, 0.9);
}

/* Page Actions Group */
.page-actions {
    flex: 1 0 auto;
    display: flex;
    gap: var(--space-2);
    justify-content: flex-end;
    align-items: center;
    flex-direction: row;
    height: max-content;
}

.page-actions > * {
    white-space: nowrap;
    min-height: var(--size-control-md);
    flex: 1 1 auto;
}

/* ============================================================================
 * ICON BUTTON
 * ============================================================================ */

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.icon-btn--lg {
  width: 2.25rem;
  height: 2.25rem;
  font-size: var(--font-size-lg);
}


/* ============================================================================
 * BUTTON DROPDOWN
 * ============================================================================ */

.btn-dropdown {
  position: relative;
}

.btn-dropdown__menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 160px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  display: none;
}

.btn-dropdown__menu.show {
  display: block;
}

.btn-dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: none;
  background: none;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-dropdown__item:hover {
  background: var(--color-surface-hover);
}

.btn-dropdown__divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}


/* ============================================================================
 * PAGE CONDITION - Modeless Popup Search Form
 * 조회조건 모드리스 팝업 - 페이지 헤더 아래에 절대 위치로 표시
 * ============================================================================ */

.page-cond {
    position: absolute !important;
    top: 100%;
    box-sizing: border-box; 
    width: calc(100% - var(--space-4) * 2) !important;
    max-width: none;
    left: var(--space-4);
    right: auto;
    z-index: calc(var(--z-page-header) + 10);
    background: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4) !important;
    margin-top: var(--space-2);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.page-cond.collapsed {
  display: none;
}

.page-cond.expanded {
  display: block;
  background-color: var(--color-bg-req);
}

/* 조회조건 폼 레이아웃 - 6컬럼 그리드 */
.page-cond .cond-form-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
  align-items: center;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px dashed var(--color-border-subtle);
}

/* 마지막 row는 구분선 제거 */
.page-cond .cond-form-row:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

/* label + control 쌍을 한 컬럼으로 */
.page-cond .cond-form-row > label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
  text-align: right;
  padding-right: var(--space-2);
}

/* colgroup 방식 레이아웃 */
.page-cond [colgroup] {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: var(--space-2);
}

.page-cond [row-container] > [row] {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
}

/* 조회조건 버튼 영역 */
.page-cond .cond-actions {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

.cond-actions > .btn {
    height: var(--size-control-md);
}

/* 레거시 호환: page-cond__actions */
.page-cond__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-light);
}

/* 반응형: 태블릿 */
@media screen and (max-width: 1200px) {
  .page-cond .cond-form-row,
  .page-cond [row-container] > [row] {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 반응형: 모바일 */
@media screen and (max-width: 768px) {
  .page-cond .cond-form-row,
  .page-cond [row-container] > [row] {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-cond .cond-form-row > label {
    text-align: left;
  }
}


/* ============================================================================
 * MASTER-DETAIL PANELS
 * ============================================================================ */

/* List Panel (Left Side) */
.list-panel {
  width: 320px;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-1);
  border-right: 1px solid var(--color-border);
  flex-shrink: 0;
}

/* Detail Panel (Right Side) */
.detail-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-1);
  min-width: 0;
  opacity: 0.5;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.detail-panel.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Panel Header */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.panel-header__left,
.panel-header__right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.panel-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Panel Body */
.panel-body {
  flex: 1;
  overflow: auto;
}


/* ============================================================================
 * TAB NAVIGATION (Detail Tabs)
 * ============================================================================ */

.detail-tabs {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.tab-header {
  display: flex;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
}

.tab-btn.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

.tab-content {
  flex: 1;
  padding: var(--space-3);
  overflow: auto;
  display: none;
}

.tab-content.active {
  display: block;
}


/* ============================================================================
 * MASTER FORM
 * ============================================================================ */

.master-form {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.master-form [row-container] > [row] {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.master-form [colgroup] {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: var(--space-2);
}

.master-form [colgroup].tall {
  grid-column: 1 / -1;
  grid-template-columns: 80px 1fr;
  align-items: start;
}


/* ============================================================================
 * LIST ITEM STYLES
 * ============================================================================ */

/* Vendor List Item */
.vendor-item {
  display: flex;
  align-items: center;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.vendor-item:hover {
  background: var(--color-surface-hover);
}

.vendor-item.selected {
  background: var(--color-primary-alpha);
  border-left: 3px solid var(--color-primary);
}

.vendor-item__checkbox {
  margin-right: var(--space-3);
}

.vendor-item__info {
  flex: 1;
  min-width: 0;
}

.vendor-item__name {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.vendor-item__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.vendor-item__meta .separator {
  margin: 0 var(--space-1);
  color: var(--color-border);
}

.vendor-item__arrow {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
}

/* Brand List Item */
.brand-item {
  display: flex;
  align-items: center;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
  gap: var(--space-3);
}

.brand-item__logo {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  flex-shrink: 0;
}

.brand-item__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.brand-item__info {
  flex: 1;
  min-width: 0;
}

.brand-item__name {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.brand-item__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.brand-item__fees {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.brand-item__fees .fee-item {
  display: flex;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
}

.brand-item__fees .label {
  color: var(--color-text-tertiary);
}

.brand-item__fees .value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* Warehouse List Item */
.warehouse-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.warehouse-item__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.warehouse-item__name {
  font-weight: var(--font-weight-semibold);
}

.warehouse-item__address,
.warehouse-item__contact {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.warehouse-item__delivery {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.warehouse-item__delivery .label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.warehouse-item__delivery .value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* Partner Card */
.partner-cards [row-container] {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}

.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.partner-card__logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-2);
  background: var(--color-surface-1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-card__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.partner-card__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.partner-name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}


/* ============================================================================
 * UTILITY CLASSES
 * ============================================================================ */

.hidden {
  display: none !important;
}

.required::after {
  content: ' *';
  color: var(--color-error);
}

.address-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.address-row {
  display: flex;
  gap: var(--space-2);
}

.zip-input {
  width: 120px;
}


/* ============================================================================
 * RESPONSIVE - Master-Detail Layout
 * ============================================================================ */

@media screen and (max-width: 1024px) {
  .page-cond [row-container] > [row] {
    grid-template-columns: repeat(2, 1fr);
  }

  .master-form [row-container] > [row] {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-guide {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  /* Master-Detail to vertical stack */
  .page-content {
    flex-direction: column;
  }

  .list-panel {
    width: 100%;
    height: 40%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .detail-panel {
    height: 60%;
  }

  /* Form layouts to single column */
  .page-cond [row-container] > [row],
  .master-form [row-container] > [row] {
    grid-template-columns: 1fr;
  }

  .page-cond [colgroup],
  .master-form [colgroup] {
    grid-template-columns: 1fr;
  }

  .page-cond [colgroup] label,
  .master-form [colgroup] label {
    margin-bottom: var(--space-1);
  }
}