/* ===== 버튼 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--primary {
  background: var(--red-accent);
  color: white;
  border-color: var(--red-accent);
}

.btn--primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.btn--secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-card);
}

.btn--secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-input);
}

.btn--green {
  background: var(--green-cta);
  color: white;
  border-color: var(--green-cta);
}

.btn--green:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

.btn--danger {
  background: transparent;
  color: var(--red-accent);
  border-color: var(--red-accent);
}

.btn--danger:hover {
  background: var(--red-accent);
  color: white;
}

.btn--pill {
  border-radius: var(--radius-pill);
  padding: 8px 20px;
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn--sm {
  padding: 6px 12px;
  font-size: 0.8125rem;
}

.btn--full {
  width: 100%;
}

/* ===== 카드 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.card--hover:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-input);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card--link {
  cursor: pointer;
  display: block;
  text-decoration: none;
  color: inherit;
}

/* 메인 페이지 네비게이션 카드 */
.nav-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  cursor: pointer;
}

.nav-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--red-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  color: inherit;
}

.nav-card__icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.nav-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ===== 아코디언 ===== */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-item.is-open .accordion-header {
  border-bottom: 1px solid var(--border-subtle);
}

.accordion-item.is-open .accordion-arrow {
  transform: rotate(180deg);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid transparent;
}

.accordion-header:hover {
  background: var(--bg-card-hover);
}

.accordion-header__left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}

.accordion-header__number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--red-accent);
  min-width: 2rem;
}

.accordion-header__info {
  flex: 1;
}

.accordion-header__name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.accordion-header__tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.accordion-arrow {
  font-size: 0.75rem;
  color: var(--text-dim);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.accordion-body {
  height: 0;
  overflow: hidden;
  transition: height var(--transition-slow);
}

.accordion-body__inner {
  padding: var(--spacing-lg);
}

/* ===== 탭 ===== */
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: var(--spacing-xl);
}

.tab-btn {
  padding: 10px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab-btn:hover {
  color: var(--text-secondary);
}

.tab-btn.active {
  color: var(--red-accent);
  border-bottom-color: var(--red-accent);
}

.tab-panel {
  display: none;
  animation: fadeIn var(--transition-base) both;
}

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

/* ===== 모달 ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
  animation: fadeIn var(--transition-base) both;
}

.modal-overlay.hidden {
  display: none;
}

.modal-box {
  background: #252525;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-modal);
}

.modal-box__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
}

.modal-box__desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.modal-box .form-group label {
  color: rgba(255, 255, 255, 0.75);
}

.modal-box .checkbox-group span {
  color: rgba(255, 255, 255, 0.65) !important;
}

.modal-box .info-box--warning {
  background: rgba(243, 156, 18, 0.15);
  border-color: rgba(243, 156, 18, 0.4);
  color: #f5c842;
}

.modal-box__actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
}

/* ===== 폼 요소 ===== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group .required {
  color: var(--red-accent);
}

.form-input {
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.form-input::placeholder {
  color: var(--text-dim);
}

.form-select {
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  cursor: pointer;
  width: 100%;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23999' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  transition: border-color var(--transition-fast);
}

.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
}

.form-select option {
  background: #2a2a2a;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

.form-error {
  font-size: 0.8125rem;
  color: var(--red-accent);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--red-accent);
  cursor: pointer;
}

/* ===== 뱃지 ===== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge--default {
  background: var(--border-subtle);
  color: var(--text-muted);
}

.badge--red {
  background: rgba(231, 76, 60, 0.15);
  color: var(--red-accent);
  border: 1px solid rgba(231, 76, 60, 0.3);
}

.badge--green {
  background: rgba(46, 204, 113, 0.15);
  color: var(--green-cta);
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.badge--blue {
  background: rgba(52, 152, 219, 0.15);
  color: var(--blue-info);
  border: 1px solid rgba(52, 152, 219, 0.3);
}

/* 등급 뱃지 */
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 800;
}

.grade-S { background: rgba(255, 215, 0, 0.15); color: var(--grade-s); border: 2px solid var(--grade-s); }
.grade-A { background: rgba(231, 76, 60, 0.15); color: var(--grade-a); border: 2px solid var(--grade-a); }
.grade-B { background: rgba(52, 152, 219, 0.15); color: var(--grade-b); border: 2px solid var(--grade-b); }
.grade-C { background: rgba(243, 156, 18, 0.15); color: var(--grade-c); border: 2px solid var(--grade-c); }
.grade-D { background: rgba(153, 153, 153, 0.15); color: var(--grade-d); border: 2px solid var(--grade-d); }

/* ===== 점수 카드 (결과 페이지) ===== */
.score-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
}

.score-card__brand {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.score-card__geo {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.score-card__geo-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.score-card__ars {
  font-size: 1.5rem;
  font-weight: 800;
}

.score-card__ars-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== 로딩 스피너 ===== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--red-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner--lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

/* ===== 로딩 상태 ===== */
.loading-state {
  text-align: center;
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.loading-state__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.loading-state__brands {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 360px;
  margin: 0 auto var(--spacing-lg);
}

.brand-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.brand-status--done {
  color: var(--green-cta);
}

.brand-status--error {
  color: var(--red-accent);
}

.loading-state__note {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

/* ===== Pillar 테이블 ===== */
.pillar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.pillar-table th,
.pillar-table td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.pillar-table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pillar-table th:first-child,
.pillar-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
}

.pillar-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.score-cell {
  font-weight: 700;
  font-size: 1rem;
  position: relative;
  cursor: help;
}

.score-cell--high { color: var(--green-cta); }
.score-cell--mid { color: var(--yellow-warn); }
.score-cell--low { color: var(--red-accent); }

/* 툴팁 - JS로 대체됨 */
#score-tooltip {
  position: fixed;
  background: #333;
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 400;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  white-space: normal;
  width: 220px;
  text-align: left;
  pointer-events: none;
  z-index: 9999;
  border: 1px solid #555;
  line-height: 1.5;
  display: none;
}

/* ===== 히스토리 카드 ===== */
.history-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  position: relative;
}

.history-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-input);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  color: inherit;
}

.history-card__date {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: var(--spacing-xs);
}

.history-card__industry {
  font-size: 0.8125rem;
  color: var(--red-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.history-card__brands {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.history-card__grades {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-sm);
}

.history-card__grade-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.history-card__delete {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.history-card__delete:hover {
  border-color: var(--red-accent);
  color: var(--red-accent);
}

/* ===== 빈 상태 ===== */
.empty-state {
  text-align: center;
  padding: var(--spacing-xxl) var(--spacing-lg);
  color: var(--text-muted);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.empty-state__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.empty-state__desc {
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
}

/* ===== 에러 상태 ===== */
.error-state {
  text-align: center;
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.error-state__icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.error-state__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.error-state__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

/* ===== 알림 / 인포 박스 ===== */
.info-box {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
}

.info-box--warning {
  background: rgba(243, 156, 18, 0.1);
  border: 1px solid rgba(243, 156, 18, 0.3);
  color: var(--yellow-warn);
}

.info-box--success {
  background: rgba(46, 204, 113, 0.1);
  border: 1px solid rgba(46, 204, 113, 0.3);
  color: var(--green-cta);
}

.info-box--error {
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.3);
  color: var(--red-accent);
}

/* ===== 개선 카드 ===== */
.improvement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.improvement-card--veto {
  border-left: 3px solid var(--red-accent);
}

.improvement-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.improvement-card__pillar {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.improvement-card__score {
  font-size: 1.5rem;
  font-weight: 800;
}

.improvement-card__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.improvement-card__action-item {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.improvement-card__action-item::before {
  content: '▸';
  color: var(--red-accent);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ===== 쿼리 태그 ===== */
.query-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.query-tag {
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ===== 하단 액션 바 ===== */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--spacing-xl);
}

.action-bar__left,
.action-bar__right {
  display: flex;
  gap: var(--spacing-sm);
}