:root {
  /* --- Vercel Stark Palette --- */
  --primary: #171717;
  --on-primary: #ffffff;
  --body: #4d4d4d;
  --mute: #71717a;
  --hairline: #ebebeb;
  --hairline-strong: #a1a1a1;
  --canvas: #ffffff;
  --canvas-soft: #fafafa;
  --canvas-soft-2: #f5f5f5;
  
  /* --- Brand Accents --- */
  --color-blue: #0070f3;
  --color-cyan: #50e3c2;
  --color-pink: #ff0080;
  --color-violet: #7928ca;
  --color-orange: #f5a623;

  /* --- Semantic Alignment --- */
  --primary-color: var(--primary);
  --primary-hover: #000000;
  --primary-light: var(--canvas-soft-2);
  --text-main: var(--primary);
  --text-muted: var(--body);
  --border-color: var(--hairline);
  --bg-color: var(--canvas-soft);
  --bg-light: var(--canvas-soft-2);
  --white: #FFFFFF;
  --danger: #ee0000;
  --success: #0070f3;
  --header-height: 64px;

  /* --- Global Typography Scale (No Upper Limit) --- */
  --fs-xs: max(10px, 1vmin + 0.1vw);
  --fs-sm: max(12px, 1.2vmin + 0.2vw);
  --fs-base: max(13px, 1.4vmin + 0.2vw);
  --fs-md: max(16px, 2vmin + 0.3vw);
  --fs-lg: max(20px, 3vmin + 0.4vw);
  --fs-xl: max(28px, 5vmin + 0.6vw);

  /* --- Layout Units --- */
  --header-height: 64px;
  --spacing-base: 1.5rem;
  --radius-base: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  letter-spacing: -0.02em;
}

body {
  font-family: 'Pretendard Variable', 'Pretendard', -apple-system, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.5;
  font-size: var(--fs-base);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

input, textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

/* --- Header --- */
.main-header {
  background-color: var(--canvas);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  height: var(--header-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}

.header-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 0.75rem; }
.main-logo { height: clamp(28px, 4vmin, 40px); width: auto; }
.brand h1 { font-size: clamp(0.85rem, 1.4vmin, 1.05rem); font-weight: 600; color: var(--text-main); }

.integrated-nav { flex: 1; display: flex; align-items: center; margin-left: 2rem; gap: 0.5rem; }
.gnb-trigger { 
  font-size: var(--fs-xs); 
  font-weight: 500; 
  color: var(--text-muted); 
  padding: 0.4rem 0.75rem; 
  cursor: pointer; 
  border-radius: 9999px; 
  transition: all 0.2s; 
}
.gnb-trigger:hover { color: var(--text-main); background: var(--canvas-soft-2); }
.gnb-trigger.active { color: var(--text-main); font-weight: 600; background: var(--canvas-soft-2); }

/* --- Layout Content --- */
.content-area {
  flex: 1;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.view-container {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.view-content-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
}

/* --- View Toggle (Vercel Tab Style) --- */
.view-toggle {
  display: inline-flex;
  background: var(--canvas-soft-2);
  padding: 0.2rem;
  border: 1px solid var(--hairline);
  gap: 0.1rem;
  border-radius: var(--radius-base);
}

.toggle-btn {
  padding: 0.35rem 1rem;
  border: none;
  background: transparent;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.1s;
  border-radius: calc(var(--radius-base) - 2px);
}

.toggle-btn:hover { color: var(--text-main); }
.toggle-btn.active {
  background: var(--canvas);
  color: var(--text-main);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  font-weight: 600;
}

/* --- Role Toggle Switch --- */
.role-toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--canvas-soft-2);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--hairline);
}

.role-label {
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--mute);
  transition: all 0.2s;
}

.role-label.active {
  color: var(--primary);
  font-weight: 700;
}

.role-toggle {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 20px;
}

.role-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.role-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--hairline-strong);
  transition: .4s;
  border-radius: 20px;
}

.role-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

input:checked + .role-slider {
  background-color: var(--primary);
}

input:checked + .role-slider:before {
  transform: translateX(20px);
}

/* --- Utility Styles (The Standard) --- */
.btn { 
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  gap: 0.4rem; 
  padding: 0 1.25rem; 
  font-size: var(--fs-xs); 
  font-weight: 500; 
  border-radius: 9999px; 
  cursor: pointer; 
  height: clamp(32px, 4.5vmin, 44px); 
  transition: all 0.2s;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary { background-color: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background-color: #000; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

.btn-outline { background-color: var(--canvas); color: var(--text-main); border: 1px solid var(--hairline); }
.btn-outline:hover { border-color: var(--hairline-strong); background: var(--canvas-soft); }

.btn-sm { height: clamp(28px, 3.5vmin, 36px); padding: 0 1rem; font-size: var(--fs-xs); }
.btn-danger { color: var(--danger) !important; border-color: var(--danger) !important; }

/* --- Form Elements --- */
.form-select-sm {
  height: clamp(28px, 3.5vmin, 36px);
  padding: 0 0.5rem;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-size: var(--fs-xs);
  outline: none;
  background-color: var(--canvas);
  color: var(--primary);
  cursor: pointer;
  transition: all 0.2s;
}

.form-select-sm:focus {
  border-color: var(--primary);
}

.badge { 
  display: inline-flex;
  align-items: center;
  padding: 2px 8px; 
  border-radius: 9999px; 
  font-size: var(--fs-xs); 
  font-weight: 600; 
}
.badge-primary { background-color: var(--primary); color: var(--on-primary); }
.badge.b-green   { background-color: #e6f4ea; color: #137333; } /* 운영/중급 */
.badge.b-yellow  { background-color: #fffbeb; color: #b45309; } /* 재고/보급 */
.badge.b-purple  { background-color: #f3e8ff; color: #6b21a8; } /* 수리/최상급 */
.badge.b-primary { background-color: #e0e7ff; color: #3730a3; } /* GNB/상급 */
.badge.badge-danger { background-color: #fce8e6; color: #c5221f; } /* 폐기/교체대상 */
.badge.badge-muted  { background-color: #f1f3f4; color: #5f6368; } /* 폐기 */
.badge.badge-light  { background-color: var(--canvas-soft-2); color: var(--mute); border: 1px solid var(--hairline); } /* 재고기본 */

/* --- Form Elements Extra --- */
.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-icon input {
  padding-left: 2.5rem !important;
}

.input-with-icon i, 
.input-with-icon .icon-sm {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--mute);
  pointer-events: none;
}

.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 250px;
  overflow-y: auto;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
  z-index: 1100;
  margin-top: 4px;
}

.autocomplete-item {
  padding: 10px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--hairline-soft, #f5f5f5);
  transition: background 0.1s;
}

.autocomplete-item:hover {
  background: var(--canvas-soft-2);
}

.autocomplete-item-empty {
  padding: 1rem;
  color: var(--mute);
  font-size: var(--fs-xs);
  text-align: center;
}

.suggestion-name {
  font-weight: 600;
  font-size: var(--fs-xs);
  color: var(--primary);
  margin-bottom: 2px;
}

.suggestion-meta {
  font-size: var(--fs-xs);
  color: var(--mute);
  display: flex;
  gap: 8px;
}

/* --- Summary & Selection Cards --- */
.summary-info-card {
  padding: 1.25rem;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.user-pc-selection-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 4px;
}

.user-pc-item {
  padding: 12px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  cursor: pointer;
  background: var(--canvas);
  transition: all 0.2s;
}

.user-pc-item:hover {
  border-color: var(--hairline-strong);
  background: var(--canvas-soft);
}

.user-pc-item.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.pc-item-code {
  font-weight: 700;
  font-size: var(--fs-xs);
  color: var(--primary);
}

.pc-item-meta {
  font-size: var(--fs-xs);
  color: var(--mute);
  margin-top: 2px;
}

.empty-list-message {
  font-size: var(--fs-xs);
  color: var(--mute);
  padding: 1rem 0;
  text-align: center;
}

/* --- Global Utilities --- */
.hidden { display: none !important; }
.clickable { cursor: pointer; transition: opacity 0.2s; }
.clickable:hover { opacity: 0.8; }

/* Flexbox & Grid Utilities */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.flex-row { display: flex; flex-direction: row; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-y-3 { row-gap: 0.75rem; }
.gap-x-4 { column-gap: 1rem; }
.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: 1rem !important; }
.mb-6 { margin-bottom: 1.5rem !important; }
.pb-4 { padding-bottom: 1rem !important; }
.p-4 { padding: 1rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-8 { padding: 2rem !important; }
.ml-auto { margin-left: auto !important; }
.self-end { align-self: flex-end !important; }
.font-medium { font-weight: 500; }
.text-muted { color: var(--mute) !important; }
.mt-12 { margin-top: 3rem !important; }
.icon-sm { width: 16px; height: 16px; }
.h-90vh { height: 90vh !important; }
.pt-0 { padding-top: 0 !important; }
.font-semibold { font-weight: 600; }



.w-full { width: 100%; }
.h-full { height: 100%; }

/* Text Utilities */
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }
.font-bold { font-weight: 700; }
.bg-primary-light { background-color: var(--primary-light) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-blue { color: var(--color-blue) !important; }
.text-orange { color: var(--color-orange) !important; }
/* --- Unified Search & Filter Bar --- */
.search-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-base);
  padding: 1.25rem var(--spacing-base);
  border-bottom: 1px solid var(--hairline);
  align-items: flex-end; 
  background: var(--canvas);
  box-sizing: border-box;
}

.search-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  justify-content: flex-end;
}

.search-item.flex-1 {
  flex: 1;
  min-width: 300px;
}

.search-item label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.search-item input, 
.search-item select {
  height: clamp(34px, 4.5vmin, 44px);
  padding: 0 0.75rem;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  font-size: var(--fs-sm);
  outline: none;
  background-color: var(--canvas);
  color: var(--primary);
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.search-item select {
  cursor: pointer;
  min-width: 120px;
}

.search-item input:focus, 
.search-item select:focus {
  border-color: var(--primary);
}

.header-action-group {
  margin-left: auto;
  align-self: flex-end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.list-view-toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--primary);
  height: clamp(34px, 4.5vmin, 44px);
  padding: 0 0.5rem;
  font-size: var(--fs-sm);
  user-select: none;
}

.list-view-toggle-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.map-pagination-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 0.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--hairline);
  height: clamp(34px, 4.5vmin, 44px);
}

.page-info {
  font-size: var(--fs-xs);
  color: var(--mute);
  font-weight: 500;
  white-space: nowrap;
}


/* --- Modal & View Header Layouts --- */
.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* --- Asset Identity & Header Styling (Global) --- */
.header-identity {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  flex-wrap: wrap;
}

.asset-code-title {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.service-type-badge {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--on-primary);
  background: var(--primary);
  padding: 4px 8px;
  border-radius: 9999px;
  text-transform: uppercase;
  line-height: 1;
}

.asset-type-label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--mute);
  line-height: 1;
}

.main-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--canvas);
  color: var(--mute);
  padding: 1rem 2rem;
  text-align: right;
  font-size: var(--fs-xs);
  flex-shrink: 0;
  z-index: 10;
}

.main-footer p {
  margin: 0;
  letter-spacing: -0.02em;
}

/* --- Filter Bar Unified Layout Refactoring --- */
.search-item.keyword-search {
  flex: 0 0 320px;
}

.search-item.result-count-item {
  justify-content: flex-end;
}

.result-count-box {
  height: clamp(34px, 4.5vmin, 44px);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-width: 60px;
}

.result-count-text {
  white-space: nowrap;
  color: var(--color-blue);
  font-size: var(--fs-sm);
  font-weight: 700;
}