/* 데이터 분석 탐정 - 파스텔 핑크 스타일시트 */
:root {
  --bg-main: #FFF7F9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFF1F4;
  --pink-50: #FFF5F7;
  --pink-100: #FCE7EC;
  --pink-200: #FBCFE8;
  --pink-300: #F9A8D4;
  --pink-400: #F472B6;
  --pink-500: #EC4899;
  --pink-600: #DB2777;
  --pink-700: #BE185D;
  --pink-800: #9D174D;
  --text-primary: #1F2937;
  --text-secondary: #4B5563;
  --text-muted: #6B7280;
  --border-light: #FCE7EC;
  --border-focus: #F472B6;
  --shadow-sm: 0 1px 3px rgba(219, 39, 119, 0.06);
  --shadow-md: 0 4px 12px rgba(219, 39, 119, 0.08);
  --shadow-lg: 0 10px 24px rgba(219, 39, 119, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-base: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  padding-bottom: 60px;
  -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
.app-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-light);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 12px;
}

.detective-icon-box {
  width: 44px;
  height: 44px;
  background-color: var(--pink-100);
  border: 1px solid var(--pink-300);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 2px 6px rgba(236, 72, 153, 0.15);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--pink-800);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.85rem;
  color: var(--pink-600);
  font-weight: 500;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Main Layout */
.main-content {
  max-width: 1280px;
  margin: 28px auto 0;
  padding: 0 20px;
}

/* Detective Mission Banner */
.mission-banner {
  background: linear-gradient(135deg, #FFFFFF 0%, #FFF0F4 100%);
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.mission-text h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pink-700);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mission-text p {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.sample-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Step Navigation Tabs */
.step-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (max-width: 860px) {
  .step-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .step-nav {
    grid-template-columns: 1fr;
  }
}

.step-nav-btn {
  background: #FFFFFF;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: inherit;
}

.step-nav-btn:hover {
  background: var(--pink-50);
  border-color: var(--pink-400);
  transform: translateY(-1px);
}

.step-nav-btn.active {
  background: #FFFFFF;
  border-color: var(--pink-600);
  box-shadow: 0 0 0 2px var(--pink-200);
}

.step-number {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  background: var(--pink-100);
  color: var(--pink-700);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-nav-btn.active .step-number {
  background: var(--pink-600);
  color: #FFFFFF;
}

.step-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Card Container */
.detective-card {
  background: var(--bg-card);
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pink-100);
  flex-wrap: wrap;
  gap: 12px;
}

.card-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--pink-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--pink-600);
  color: #FFFFFF;
  border-color: var(--pink-600);
}

.btn-primary:hover {
  background: var(--pink-700);
  border-color: var(--pink-700);
  box-shadow: 0 2px 8px rgba(219, 39, 119, 0.25);
}

.btn-secondary {
  background: var(--pink-50);
  color: var(--pink-700);
  border-color: var(--pink-300);
}

.btn-secondary:hover {
  background: var(--pink-100);
  border-color: var(--pink-400);
}

.btn-outline {
  background: #FFFFFF;
  color: var(--text-secondary);
  border-color: #D1D5DB;
}

.btn-outline:hover {
  background: #F9FAFB;
  border-color: #9CA3AF;
  color: var(--text-primary);
}

.btn-danger {
  background: #FEE2E2;
  color: #DC2626;
  border-color: #FCA5A5;
}

.btn-danger:hover {
  background: #FEE2E2;
  border-color: #EF4444;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
}

/* Upload Dropzone */
.dropzone-box {
  border: 2px dashed var(--pink-300);
  background: var(--pink-50);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 20px;
}

.dropzone-box:hover, .dropzone-box.dragover {
  border-color: var(--pink-600);
  background: var(--pink-100);
}

.dropzone-icon {
  font-size: 40px;
  margin-bottom: 8px;
  color: var(--pink-500);
}

.dropzone-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--pink-800);
  margin-bottom: 4px;
}

.dropzone-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Data Table Styling */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  max-height: 420px;
  overflow-y: auto;
}

.detective-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.detective-table th {
  background-color: var(--pink-50);
  color: var(--pink-800);
  font-weight: 700;
  padding: 12px 14px;
  border-bottom: 2px solid var(--pink-200);
  position: sticky;
  top: 0;
  z-index: 10;
  white-space: nowrap;
}

.detective-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--pink-100);
  color: var(--text-primary);
  white-space: nowrap;
}

.detective-table tr:hover td {
  background-color: var(--pink-50);
}

.detective-table tr.selected td {
  background-color: #FDF2F8;
}

/* Editable Table Cells */
.table-cell-input {
  width: 100%;
  min-width: 70px;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: all 0.2s ease;
  outline: none;
}

.table-cell-input:hover {
  background: #FFFFFF;
  border-color: var(--pink-300);
}

.table-cell-input:focus {
  background: #FFFFFF;
  border-color: var(--pink-600);
  box-shadow: 0 0 0 2px var(--pink-200);
}

.table-edit-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #FFF5F7;
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.84rem;
  color: var(--pink-800);
  margin-bottom: 12px;
}

.table-action-cell {
  display: flex;
  align-items: center;
  gap: 6px;
}

.row-edit-btn {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: #2563EB;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.row-edit-btn:hover {
  background: #DBEAFE;
  border-color: #93C5FD;
}

.row-delete-btn {
  background: none;
  border: 1px solid transparent;
  color: #EF4444;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.row-delete-btn:hover {
  background: #FEE2E2;
  border-color: #FCA5A5;
}

/* Color Palette Presets */
.palette-presets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}

.palette-preset-btn {
  background: #FFFFFF;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-family: inherit;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.palette-preset-btn:hover {
  background: var(--pink-50);
  border-color: var(--pink-400);
}

.palette-preset-btn.active {
  background: #FFFFFF;
  border-color: var(--pink-600);
  box-shadow: 0 0 0 2px var(--pink-200);
  color: var(--pink-800);
}

.palette-preview {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  display: block;
}

/* Item Color List */
.item-color-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
  padding: 4px;
  border: 1px solid var(--pink-100);
  border-radius: var(--radius-sm);
  background: #FFFDFE;
}

/* Multi-Y Axis Checkbox List */
.multi-y-checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 165px;
  overflow-y: auto;
  padding: 6px;
  background: #FFFDFE;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-sm);
}

.multi-y-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 9px;
  background: #FFFFFF;
  border: 1px solid var(--pink-100);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.multi-y-item:hover {
  background: var(--pink-50);
  border-color: var(--pink-300);
}

.multi-y-item.checked {
  background: #FFF0F4;
  border-color: var(--pink-500);
  box-shadow: 0 0 0 1px var(--pink-200);
}

.multi-y-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.multi-y-left input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--pink-600);
  cursor: pointer;
  flex-shrink: 0;
}

.multi-y-color-tag {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
  display: inline-block;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
}

.multi-y-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--pink-100);
  color: var(--pink-700);
  font-weight: 700;
  flex-shrink: 0;
}

.item-color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  background: #FFFFFF;
  border: 1px solid var(--pink-100);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
}

.item-color-row:hover {
  border-color: var(--pink-300);
}

.item-color-label {
  font-weight: 600;
  color: var(--text-primary);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item-color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.color-input-native {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border: none;
  cursor: pointer;
  background: none;
  padding: 0;
  border-radius: 50%;
  overflow: hidden;
}

.color-input-native::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input-native::-webkit-color-swatch {
  border: 1.5px solid rgba(0, 0, 0, 0.15);
  border-radius: 50%;
}

/* Secondary Stat Grid */
.stat-sub-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .stat-sub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-sub-box {
  background: #FFF8FA;
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.stat-sub-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--pink-700);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-sub-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-sub-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Detailed Insight Section Cards */
.insight-detail-card {
  background: #FFFFFF;
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.insight-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.insight-detail-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pink-800);
  display: flex;
  align-items: center;
  gap: 6px;
}

.insight-badge-pill {
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.insight-badge-blue {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

.insight-badge-green {
  background: #ECFDF5;
  color: #047857;
  border: 1px solid #A7F3D0;
}

.insight-badge-amber {
  background: #FFFBEB;
  color: #B45309;
  border: 1px solid #FDE68A;
}

.insight-badge-red {
  background: #FEF2F2;
  color: #B91C1C;
  border: 1px solid #FECACA;
}

.insight-detail-body {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.insight-detail-body strong {
  color: var(--text-primary);
}

/* Discussion Questions Card */
.discussion-box {
  background: #FDF4F8;
  border: 1.5px dashed var(--pink-400);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 14px;
}

.discussion-header {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--pink-800);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.discussion-question-item {
  display: flex;
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--pink-950);
  margin-bottom: 8px;
}

.discussion-q-num {
  font-weight: 800;
  color: var(--pink-600);
  flex-shrink: 0;
}

.btn-xs {
  padding: 3px 8px;
  font-size: 0.75rem;
}

/* Visualization Controls */
.vis-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
}

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

.vis-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.control-group {
  background: #FFFFFF;
  border: 1px solid var(--pink-100);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.control-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pink-800);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-select, .form-input {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: #FFFFFF;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-select:focus, .form-input:focus {
  border-color: var(--pink-500);
  box-shadow: 0 0 0 3px rgba(244, 114, 182, 0.2);
}

/* Graph Type Selector Pills */
.graph-type-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.graph-type-btn {
  background: #FFFFFF;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  text-align: center;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.graph-type-btn:hover {
  background: var(--pink-50);
  border-color: var(--pink-400);
}

.graph-type-btn.active {
  background: var(--pink-600);
  color: #FFFFFF;
  border-color: var(--pink-600);
  font-weight: 700;
}

.graph-type-btn.active .graph-icon {
  transform: scale(1.1);
}

.graph-icon {
  font-size: 20px;
  display: block;
  margin-bottom: 4px;
}

/* Detective Recommendation Box */
.detective-hint-box {
  background: #FFF0F5;
  border: 1.5px dashed var(--pink-400);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 10px;
}

.detective-hint-header {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--pink-700);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.detective-hint-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.badge-recommend {
  display: inline-block;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-top: 6px;
}

.badge-match {
  background-color: #D1FAE5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.badge-hint {
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
}

/* Chart Canvas Area */
.chart-display-card {
  background: #FFFFFF;
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 480px;
}

.chart-display-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.chart-title-area {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.chart-main-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pink-800);
}

.chart-unit-badge {
  font-size: 0.8rem;
  background: var(--pink-100);
  color: var(--pink-700);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.canvas-container {
  flex: 1;
  position: relative;
  width: 100%;
  min-height: 380px;
}

/* Analysis Statistics Grid */
.stat-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-box {
  background: #FFFFFF;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.stat-box:hover {
  transform: translateY(-2px);
  border-color: var(--pink-400);
}

.stat-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--pink-400);
}

.stat-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pink-700);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Deep Analysis Sections */
.analysis-cards-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 860px) {
  .analysis-cards-row {
    grid-template-columns: 1fr;
  }
}

.insight-panel {
  background: #FFFFFF;
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 20px;
}

.insight-panel-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--pink-800);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.insight-item {
  padding: 10px 12px;
  background: var(--pink-50);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-primary);
  border-left: 3px solid var(--pink-400);
}

.insight-item strong {
  color: var(--pink-700);
}

/* Detective Notes & Meaning Interpretation */
.detective-report-box {
  background: #FFFFFF;
  border: 1.5px solid var(--pink-300);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
}

.report-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--pink-600);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.interpretation-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--pink-50);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pink-200);
  margin-bottom: 16px;
  white-space: pre-wrap;
}

.notes-textarea {
  width: 100%;
  min-height: 90px;
  padding: 12px;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  resize: vertical;
  color: var(--text-primary);
  outline: none;
}

.notes-textarea:focus {
  border-color: var(--pink-500);
  box-shadow: 0 0 0 3px rgba(244, 114, 182, 0.2);
}

/* Printable Final Report Layout */
.report-sheet {
  background: #FFFFFF;
  border: 2px solid var(--pink-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
}

.report-header-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--pink-500);
  margin-bottom: 24px;
}

.report-main-heading {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--pink-800);
}

.report-meta {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.report-seal {
  background: var(--pink-100);
  border: 2px dashed var(--pink-500);
  border-radius: var(--radius-full);
  width: 76px;
  height: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--pink-700);
  text-align: center;
  transform: rotate(-5deg);
}

.report-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pink-700);
  margin: 20px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Report Chart Card & Image Enhancements (기능 4 대형 고해상도 시각화) */
.report-chart-card {
  background: #FFFFFF;
  border: 1.5px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 22px;
  margin: 16px 0;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.04);
  page-break-inside: avoid;
  break-inside: avoid;
}

/* Report Chart Size Toolbar */
.report-size-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--pink-50);
  border: 1px solid var(--pink-200);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}

.report-size-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pink-800);
  margin-right: 4px;
}

.report-size-preset-btn {
  padding: 4px 10px;
  font-size: 0.76rem;
  border-color: var(--pink-300);
  background: #FFFFFF;
  color: var(--pink-800);
}

.report-size-preset-btn.active,
.report-fontsize-btn.active,
.step2-fontsize-btn.active {
  background: var(--pink-600) !important;
  color: #FFFFFF !important;
  border-color: var(--pink-600) !important;
}

.report-toolbar-divider {
  width: 1px;
  height: 20px;
  background: var(--pink-300);
  margin: 0 6px;
}

.report-fontsize-btn-group {
  display: flex;
  gap: 3px;
  align-items: center;
}

.report-fontsize-btn {
  padding: 3px 8px;
  font-size: 0.74rem;
  border-color: var(--pink-300);
  background: #FFFFFF;
  color: var(--pink-800);
}

/* Resizable container for report chart with mouse drag support */
.report-chart-resizable-container {
  position: relative;
  width: 100%;
  max-width: 850px;
  height: 450px;
  min-height: 280px;
  min-width: 320px;
  max-height: 900px;
  margin: 0 auto;
  border: 1.5px dashed var(--pink-300);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  overflow: hidden;
  resize: both; /* Native CSS resize for modern browsers */
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.report-chart-resizable-container:hover,
.report-chart-resizable-container.is-resizing {
  border-color: var(--pink-600);
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.12);
}

.report-resize-handle {
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, transparent 50%, var(--pink-500) 50%);
  border-bottom-right-radius: var(--radius-md);
  cursor: nwse-resize;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 2px 3px;
  user-select: none;
  z-index: 10;
}

.report-resize-handle span {
  font-size: 11px;
  color: #FFFFFF;
  font-weight: 800;
  line-height: 1;
}

.report-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1.5px dashed var(--pink-200);
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.report-chart-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--pink-800);
  letter-spacing: -0.01em;
}

.report-chart-badges {
  display: flex;
  gap: 8px;
  align-items: center;
}

.badge-chart-type {
  background: var(--pink-100);
  color: var(--pink-700);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--pink-200);
}

.badge-chart-unit {
  background: #F3F4F6;
  color: #374151;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid #E5E7EB;
}

.report-chart-canvas-wrap {
  width: 100%;
  height: 100%;
  background: #FFFFFF;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 6px;
  box-sizing: border-box;
}

.report-chart-image {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.report-chart-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1.5px solid var(--pink-100);
  font-size: 0.86rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 10px;
}

.report-axis-info {
  display: flex;
  align-items: center;
  font-size: 0.86rem;
  color: #374151;
}

.report-axis-info strong {
  color: var(--pink-800);
  font-weight: 800;
  margin-left: 2px;
}

.report-datalabel-note {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--pink-600);
  background: var(--pink-50);
  padding: 3px 8px;
  border-radius: 4px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: #1F2937;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
  pointer-events: auto;
  border-left: 4px solid var(--pink-400);
}

@keyframes slideIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(31, 41, 55, 0.5);
  backdrop-filter: blur(2px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--pink-200);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pink-100);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pink-800);
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.close-btn:hover {
  color: var(--text-primary);
}

/* Code Snippet Box */
.code-box {
  background: #1E293B;
  color: #F8FAFC;
  padding: 14px;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  margin: 10px 0;
}

/* Print Styles for PDF */
@media print {
  body {
    background: #FFFFFF !important;
    padding: 0 !important;
  }
  .app-header, .step-nav, .mission-banner, .header-actions, .card-header .btn, .toast-container, .row-delete-btn, .modal-overlay, .no-print, .report-size-toolbar, .report-resize-handle {
    display: none !important;
  }
  .main-content {
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
  }
  .report-sheet {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  .chart-display-card, .detective-card, .report-chart-card {
    page-break-inside: avoid;
    break-inside: avoid;
    border: 1px solid #E5E7EB !important;
    box-shadow: none !important;
  }
  .report-chart-resizable-container {
    border: none !important;
    box-shadow: none !important;
    resize: none !important;
  }
  .report-chart-canvas-wrap {
    min-height: 280px !important;
  }
  .report-chart-image, #report-chart-img {
    width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
  }
}