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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  background: #FFFFFF;
  color: #111111;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

:focus,
:focus-visible {
  outline: none;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#app-header {
  background: #FFFFFF;
  border-bottom: 1px solid #111111;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 56px;
}

.header-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #111111;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.header-name {
  direction: rtl;
  font-size: 0.85rem;
  font-weight: 700;
  color: #111111;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

#app-main {
  flex: 1;
  padding: 2rem 1rem 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.step-wrap {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}

.step-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
}
.step-progress .step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  position: relative;
}
.step-progress .step-dot:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 14px;
  left: calc(50% + 14px);
  right: calc(-50% + 14px);
  height: 1px;
  background: #CCCCCC;
}
.step-progress .step-dot.done::after {
  background: #111111;
}
.step-progress .step-dot .dot-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid #CCCCCC;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: #6E6E6E;
  position: relative;
  z-index: 1;
}
.step-progress .step-dot .dot-label {
  font-size: 0.68rem;
  color: #6E6E6E;
  text-align: center;
  line-height: 1.2;
}
.step-progress .step-dot.done .dot-circle {
  background: #111111;
  border-color: #111111;
  color: #FFFFFF;
}
.step-progress .step-dot.active .dot-circle {
  background: #111111;
  border-color: #111111;
  color: #FFFFFF;
}
.step-progress .step-dot.active .dot-label {
  color: #111111;
  font-weight: 700;
}

.card {
  background: #FFFFFF;
  border: 1px solid #111111;
  border-radius: 0;
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.card.card-sm {
  padding: 1.5rem;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #111111;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.section-subtitle {
  color: #6E6E6E;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 1.2rem;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #111111;
}
.form-group input[type=text] {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  font-size: 0.9rem;
  color: #111111;
  background: #FFFFFF;
}
.form-group input[type=text]::placeholder {
  color: #A3A3A3;
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 400;
  color: #6E6E6E;
  margin: 0;
  white-space: nowrap;
}
.radio-group label input[type=radio] {
  display: none;
}
.radio-group label:hover {
  border-color: #111111;
  color: #111111;
}
.radio-group label.selected {
  border-color: #111111;
  background: #111111;
  color: #FFFFFF;
  font-weight: 700;
}

.step-instruction {
  font-size: 1.05rem;
  line-height: 1.65;
  font-weight: 500;
  color: #111111;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.6rem;
  border-radius: 0;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  background: #FFFFFF;
  color: #111111;
}
.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.btn.btn-primary {
  background: #111111;
  color: #FFFFFF;
  border-color: #111111;
}
.btn.btn-primary:not(:disabled):hover {
  background: #FFFFFF;
  color: #111111;
}
.btn.btn-outline {
  background: #FFFFFF;
  color: #111111;
  border-color: #111111;
}
.btn.btn-outline:not(:disabled):hover {
  background: #111111;
  color: #FFFFFF;
}
.btn.btn-gray {
  background: #FFFFFF;
  color: #6E6E6E;
  border-color: #CCCCCC;
}
.btn.btn-gray:not(:disabled):hover {
  border-color: #111111;
  color: #111111;
}
.btn.btn-lg {
  padding: 0.85rem 2.2rem;
  font-size: 1rem;
}
.btn.btn-full {
  width: 100%;
}
.btn.btn-select, .btn.btn-reject {
  flex: 1;
  font-size: 1rem;
  padding: 0.9rem 1rem;
  background: #FFFFFF;
  color: #111111;
  border-color: #CCCCCC;
}
.btn.btn-select:not(:disabled):hover, .btn.btn-reject:not(:disabled):hover {
  border-color: #111111;
}
.btn.btn-selected-select, .btn.btn-selected-reject {
  flex: 1;
  padding: 0.9rem 1rem;
  font-size: 1rem;
  background: #111111;
  color: #FFFFFF;
  border-color: #111111;
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.2rem;
}
.btn-row.center {
  justify-content: center;
}
.btn-row.end {
  justify-content: flex-end;
}

.progress-bar-wrap {
  margin-bottom: 1.5rem;
}
.progress-bar-wrap .progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #6E6E6E;
  margin-bottom: 0.4rem;
  font-weight: 700;
}
.progress-bar-wrap .progress-track {
  height: 4px;
  background: #E5E5E5;
  border-radius: 0;
  overflow: hidden;
}
.progress-bar-wrap .progress-track .progress-fill {
  height: 100%;
  background: #111111;
  transition: width 0.3s ease;
}

.case-card .case-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #CCCCCC;
}
.case-card .case-header .team-badge {
  font-size: 1.4rem;
  font-weight: 800;
  color: #111111;
  background: #FFFFFF;
  border: 1px solid #111111;
  border-radius: 0;
  padding: 0.2rem 0.7rem;
  line-height: 1.4;
}
.case-card .case-header .industry-tag {
  font-size: 0.82rem;
  background: #FFFFFF;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  padding: 0.25rem 0.7rem;
  color: #6E6E6E;
  font-weight: 400;
}

.var-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}
.var-row .var-name {
  font-size: 0.82rem;
  font-weight: 400;
  color: #333333;
  min-width: 110px;
  flex-shrink: 0;
}
.var-row .var-bar-track {
  flex: 1;
  height: 8px;
  background: #E5E5E5;
  border-radius: 0;
  overflow: hidden;
}
.var-row .var-bar-track .var-bar-fill {
  height: 100%;
  transition: width 0.4s ease;
}
.var-row .var-score {
  font-size: 0.85rem;
  font-weight: 700;
  min-width: 32px;
  text-align: right;
  color: #111111;
  font-variant-numeric: tabular-nums;
}

.var-bar-fill[data-level=low] {
  background: #C7C7C7;
}

.var-bar-fill[data-level=mid] {
  background: #8A8A8A;
}

.var-bar-fill[data-level=high] {
  background: #111111;
}

.judgment-section {
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid #CCCCCC;
}
.judgment-section .judgment-label {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #111111;
}

.confidence-section {
  margin-top: 1.2rem;
  padding: 1rem 1.2rem;
  background: #FFFFFF;
  border: 1px solid #CCCCCC;
  border-radius: 0;
}
.confidence-section .confidence-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #111111;
  margin-bottom: 0.6rem;
  display: flex;
  justify-content: space-between;
}
.confidence-section .confidence-slider {
  width: 100%;
  appearance: none;
  height: 4px;
  border-radius: 0;
  background: #E5E5E5;
  cursor: pointer;
}
.confidence-section .confidence-slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #111111;
  cursor: pointer;
  border: none;
}
.confidence-section .confidence-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #111111;
  border: none;
  cursor: pointer;
}
.confidence-section .confidence-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.4rem;
}
.confidence-section .confidence-labels .cl {
  font-size: 0.7rem;
  color: #6E6E6E;
}

.judgment-likert-row {
  display: flex;
  margin-top: 0.5rem;
}

.judgment-likert-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.7rem 0.3rem;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  background: #FFFFFF;
  cursor: pointer;
}
.judgment-likert-btn + .judgment-likert-btn {
  margin-left: -1px;
}
.judgment-likert-btn .jl-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: #6E6E6E;
}
.judgment-likert-btn .jl-label {
  font-size: 0.65rem;
  color: #6E6E6E;
  text-align: center;
  line-height: 1.3;
}
.judgment-likert-btn:hover {
  border-color: #111111;
  position: relative;
  z-index: 1;
}
.judgment-likert-btn.active, .judgment-likert-btn[data-val].active {
  border-color: #111111;
  background: #111111;
  position: relative;
  z-index: 2;
}
.judgment-likert-btn.active .jl-num, .judgment-likert-btn.active .jl-label, .judgment-likert-btn[data-val].active .jl-num, .judgment-likert-btn[data-val].active .jl-label {
  color: #FFFFFF;
}

.ahp-pair-card .pair-title {
  font-size: 0.85rem;
  color: #6E6E6E;
  margin-bottom: 1.2rem;
  font-weight: 400;
}
.ahp-pair-card .pair-criteria {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.ahp-pair-card .pair-criteria .crit {
  flex: 1;
  text-align: center;
  font-size: 1rem;
  font-weight: 400;
  color: #6E6E6E;
  padding: 0.6rem;
  border-radius: 0;
}
.ahp-pair-card .pair-criteria .crit.crit-left {
  text-align: right;
}
.ahp-pair-card .pair-criteria .crit.crit-right {
  text-align: left;
}
.ahp-pair-card .pair-criteria .crit.crit-active-left, .ahp-pair-card .pair-criteria .crit.crit-active-right {
  color: #111111;
  font-weight: 800;
}
.ahp-pair-card .pair-criteria .vs-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #6E6E6E;
  background: #FFFFFF;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  padding: 0.2rem 0.5rem;
  flex-shrink: 0;
}

.ahp-slider-wrap {
  padding: 0.5rem 0;
}

.ahp-scale-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  padding: 0 11px;
}
.ahp-scale-labels span {
  font-size: 0.7rem;
  color: #6E6E6E;
  font-weight: 400;
  text-align: center;
  min-width: 0;
}
.ahp-scale-labels .sc-mid {
  font-weight: 800;
  color: #111111;
  font-size: 0.72rem;
}

.ahp-slider {
  width: 100%;
  appearance: none;
  height: 4px;
  border-radius: 0;
  background: #E5E5E5;
  cursor: pointer;
}
.ahp-slider::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #111111;
  border: none;
  cursor: pointer;
}
.ahp-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #111111;
  border: none;
  cursor: pointer;
}

.ahp-description {
  text-align: center;
  margin-top: 1rem;
  padding: 0.7rem 1rem;
  background: #FFFFFF;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: #111111;
  min-height: 42px;
}

.weight-chart {
  margin-top: 0.5rem;
}
.weight-chart .wc-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}
.weight-chart .wc-row .wc-label {
  font-size: 0.82rem;
  font-weight: 400;
  color: #333333;
  min-width: 110px;
  flex-shrink: 0;
}
.weight-chart .wc-row .wc-track {
  flex: 1;
  height: 14px;
  background: #E5E5E5;
  border-radius: 0;
  overflow: hidden;
}
.weight-chart .wc-row .wc-track .wc-fill {
  height: 100%;
  background: #111111;
  transition: width 0.5s ease;
}
.weight-chart .wc-row .wc-pct {
  font-size: 0.82rem;
  font-weight: 700;
  color: #111111;
  min-width: 38px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}
.stats-grid .stat-box {
  background: #FFFFFF;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  padding: 1rem;
  text-align: center;
}
.stats-grid .stat-box .stat-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: #111111;
  font-variant-numeric: tabular-nums;
}
.stats-grid .stat-box .stat-label {
  font-size: 0.75rem;
  color: #6E6E6E;
  margin-top: 0.25rem;
  line-height: 1.3;
}
.stats-grid .stat-box.stat-warn {
  border-color: #111111;
}
.stats-grid .stat-box.stat-ok {
  border-color: #CCCCCC;
}

.comparison-table-wrap {
  overflow-x: auto;
  margin-top: 1rem;
  border: 1px solid #111111;
  border-radius: 0;
}
.comparison-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.comparison-table-wrap table th {
  background: #FFFFFF;
  padding: 0.6rem 0.8rem;
  text-align: center;
  font-weight: 700;
  border-bottom: 1px solid #111111;
  white-space: nowrap;
  color: #111111;
}
.comparison-table-wrap table td {
  padding: 0.55rem 0.8rem;
  text-align: center;
  border-bottom: 1px solid #CCCCCC;
  color: #333333;
}
.comparison-table-wrap table td:first-child {
  font-weight: 700;
  color: #111111;
}
.comparison-table-wrap table tr:last-child td {
  border-bottom: none;
}
.comparison-table-wrap table tr.mismatch td {
  background: #F5F5F5;
  color: #111111;
}
.comparison-table-wrap table tr.mismatch td:first-child {
  color: #111111;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 0;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.4;
  border: 1px solid transparent;
}
.badge.badge-select {
  background: #111111;
  color: #FFFFFF;
  border-color: #111111;
}
.badge.badge-reject {
  background: #FFFFFF;
  color: #6E6E6E;
  border-color: #CCCCCC;
}
.badge.badge-match {
  background: #FFFFFF;
  color: #111111;
  border-color: #111111;
}
.badge.badge-mismatch {
  background: #111111;
  color: #FFFFFF;
  border-color: #111111;
}
.badge.badge-neutral {
  background: #FFFFFF;
  color: #6E6E6E;
  border-color: #CCCCCC;
}

.neutral-row td {
  background: #F5F5F5;
  color: #333333;
}

.likert-group {
  margin-bottom: 1.5rem;
}
.likert-group .likert-q {
  font-size: 0.9rem;
  font-weight: 700;
  color: #111111;
  margin-bottom: 0.75rem;
  line-height: 1.5;
}
.likert-group .likert-options {
  display: flex;
}
.likert-group .likert-options label {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
}
.likert-group .likert-options label + label .likert-btn {
  margin-left: -1px;
}
.likert-group .likert-options label input[type=radio] {
  display: none;
}
.likert-group .likert-options label .likert-btn {
  width: 100%;
  padding: 0.55rem 0.2rem;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #6E6E6E;
  background: #FFFFFF;
}
.likert-group .likert-options label .likert-desc {
  font-size: 0.65rem;
  color: #6E6E6E;
  text-align: center;
  line-height: 1.2;
}
.likert-group .likert-options label input:checked + .likert-btn {
  border-color: #111111;
  background: #111111;
  color: #FFFFFF;
  position: relative;
  z-index: 1;
}
.likert-group .likert-options label:hover .likert-btn {
  border-color: #111111;
}

.open-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  font-size: 0.875rem;
  font-family: inherit;
  color: #111111;
  background: #FFFFFF;
  resize: vertical;
  min-height: 100px;
}

.complete-screen {
  text-align: center;
  padding: 2rem 1rem;
}
.complete-screen .complete-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  filter: grayscale(1);
}
.complete-screen .complete-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.complete-screen .complete-desc {
  color: #6E6E6E;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.json-output {
  background: #FFFFFF;
  color: #333333;
  border: 1px solid #CCCCCC;
  border-radius: 0;
  padding: 1.2rem;
  font-family: "Menlo", "Monaco", "Consolas", monospace;
  font-size: 0.75rem;
  line-height: 1.6;
  text-align: left;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  white-space: pre;
  margin-top: 1rem;
}

.divider {
  height: 1px;
  background: #CCCCCC;
  margin: 1.5rem 0;
}

.text-muted {
  color: #6E6E6E;
  font-size: 0.85rem;
}

.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.highlight-text {
  color: #111111;
  font-weight: 800;
}

@media (max-width: 600px) {
  #app-header {
    padding: 0 1rem;
  }
  .header-title {
    font-size: 0.78rem;
  }
  .card {
    padding: 1.2rem;
  }
  .step-instruction {
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
  }
  .step-progress .step-dot .dot-label {
    display: none;
  }
  .var-row .var-name {
    min-width: 80px;
    font-size: 0.76rem;
  }
  .ahp-pair-card .pair-criteria {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  .ahp-pair-card .pair-criteria .crit {
    text-align: center !important;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .comparison-table-wrap table {
    font-size: 0.75rem;
  }
  .comparison-table-wrap table td,
  .comparison-table-wrap table th {
    padding: 0.4rem 0.5rem;
  }
  .likert-group .likert-options label .likert-desc {
    display: none;
  }
  .btn.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }
}
@media (max-width: 380px) {
  .step-progress .step-dot .dot-circle {
    width: 22px;
    height: 22px;
    font-size: 0.65rem;
  }
}