/* ===== Components ===== */

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.card-body {
  padding: 20px;
}

/* ===== Form Groups ===== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: 11px;
  color: var(--danger);
  margin-top: 4px;
}

/* ===== Inputs ===== */
.input {
  display: block;
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input.error {
  border-color: var(--danger);
}

.input.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

/* Input with unit suffix */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper .input {
  padding-right: 52px;
}

.input-suffix {
  position: absolute;
  right: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  pointer-events: none;
}

/* Input with toggle button */
.input-with-toggle {
  display: flex;
  gap: 8px;
  align-items: center;
}

.input-with-toggle .input {
  flex: 1;
}

/* ===== Select ===== */
.select {
  display: block;
  width: 100%;
  height: 40px;
  padding: 0 32px 0 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ===== Radio Group ===== */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-option {
  position: relative;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.radio-option input:checked + .radio-label {
  background: var(--accent-light);
  border-color: var(--accent-border);
  color: var(--accent);
  font-weight: 600;
}

.radio-label:hover {
  border-color: var(--accent-border);
  color: var(--text-primary);
}

/* ===== Checkbox ===== */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
  position: relative;
}

.checkbox-item input:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-item input:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.checkbox-item .cb-label {
  font-size: 13px;
  color: var(--text-primary);
}

.checkbox-item .cb-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}

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

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

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

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
}

.btn-sm {
  height: 32px;
  padding: 0 12px;
  font-size: 12px;
}

.btn-full {
  width: 100%;
}

.btn-reset {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-color: var(--border);
  font-size: 13px;
}

.btn-reset:hover {
  background: var(--danger-light);
  color: var(--danger);
  border-color: var(--danger);
}

.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ===== Unit Toggle ===== */
.unit-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
}

.unit-btn {
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.unit-btn.active {
  background: var(--accent);
  color: white;
}

/* ===== Result Panel ===== */
.result-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.result-header {
  padding: 14px 16px;
  background: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-header-title {
  font-size: 14px;
  font-weight: 700;
}

.result-body {
  padding: 0;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.result-row:last-child {
  border-bottom: none;
}

.result-row .r-label {
  color: var(--text-secondary);
  font-size: 13px;
}

.result-row .r-value {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.result-row.sub {
  background: var(--bg-secondary);
  padding: 10px 16px 10px 28px;
}

.result-row.sub .r-label {
  font-size: 12px;
}

.result-row.sub .r-value {
  font-size: 13px;
}

.result-row.total {
  background: var(--accent-light);
  padding: 16px;
}

.result-row.total .r-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.result-row.total .r-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
}

.result-actions {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  background: var(--bg-secondary);
}

.result-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.result-empty .result-empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.7;
}

/* ===== Notice / Info Box ===== */
.notice-box {
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  font-size: 12.5px;
  line-height: 1.7;
  margin-top: 12px;
  border-left: 3px solid;
}

.notice-box.info {
  background: #F0F7FF;
  color: #374151;
  border-left-color: #3B82F6;
}

[data-theme="dark"] .notice-box.info {
  background: #1E293B;
  color: #CBD5E1;
  border-left-color: #60A5FA;
}

.notice-box.warning {
  background: #FFFBEB;
  color: #92400E;
  border-left-color: #F59E0B;
}

[data-theme="dark"] .notice-box.warning {
  background: #2E1A00;
  color: #FDE68A;
  border-left-color: #F59E0B;
}

.notice-box.success {
  background: #F0FDF4;
  color: #166534;
  border-left-color: #22C55E;
}

[data-theme="dark"] .notice-box.success {
  background: #1A2E1A;
  color: #A6E3A1;
  border-left-color: #22C55E;
}

.notice-box strong {
  font-weight: 700;
  color: inherit;
}

/* ===== Tax Tip Box ===== */
.tax-tip-box {
  margin: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.tax-tip-box summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  background: linear-gradient(135deg, #FFF7ED 0%, #FEF3C7 100%);
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.tax-tip-box summary::-webkit-details-marker { display: none; }
.tax-tip-box summary::before {
  content: '▶';
  font-size: 10px;
  transition: transform 0.2s;
}
.tax-tip-box[open] summary::before {
  transform: rotate(90deg);
}
.tax-tip-box .tip-content {
  padding: 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
  background: var(--bg-card);
}
.tax-tip-box .tip-content li {
  margin-bottom: 6px;
  padding-left: 4px;
}
.tax-tip-box .tip-content li::marker {
  color: var(--warning);
}
.tax-tip-box .tip-content strong {
  color: var(--text-primary);
  font-weight: 600;
}
.tax-tip-box .tip-content .tip-highlight {
  display: inline-block;
  background: #FEF3C7;
  color: #92400E;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
[data-theme="dark"] .tax-tip-box summary {
  background: linear-gradient(135deg, #2E1A00 0%, #3D2200 100%);
}
[data-theme="dark"] .tax-tip-box .tip-content .tip-highlight {
  background: #3D2200;
  color: #F9E2AF;
}

/* ===== Section Divider ===== */
.section-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0;
}

.section-divider span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}

.badge-info {
  background: var(--accent-light);
  color: var(--accent);
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
}

.badge-new {
  background: var(--danger-light);
  color: var(--danger);
}

/* ===== Search Results ===== */
#search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

#search-results.visible {
  display: block;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background var(--transition);
  font-size: 13px;
}

.search-result-item:hover {
  background: var(--bg-hover);
}

.search-result-item .sri-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.search-result-item .sri-label {
  color: var(--text-primary);
  font-weight: 500;
}

.search-result-item .sri-category {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
}

/* ===== Ad Slot Placeholder ===== */
.ad-slot {
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 11px;
  text-align: center;
  overflow: hidden;
}

.ad-slot.hidden {
  display: none;
}

/* 광고 없을 때 모든 광고 영역 숨김 — AdSense 연결 시 body에서 no-ads 클래스 제거 */
.no-ads .ad-slot,
.no-ads .ad-banner-content,
.no-ads .ad-side-left,
.no-ads .ad-side-right,
.no-ads #ad-anchor,
.no-ads #interstitial-overlay {
  display: none !important;
}

.no-ads #content-area {
  padding-bottom: 0;
}

/* 외부 도움 링크 (공시가격 확인 등) */
.external-help-link {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--primary);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: all 0.15s;
}

.external-help-link:hover {
  background: var(--primary);
  color: #fff;
}

.ad-728x90 {
  width: 100%;
  max-width: 728px;
  height: 90px;
}

.ad-160x600 {
  width: 160px;
  height: 600px;
}

.ad-300x250 {
  width: 300px;
  height: 250px;
}

.ad-320x50 {
  width: 100%;
  max-width: 320px;
  height: 50px;
}

/* ===== Page Title ===== */
.page-title-bar {
  padding: 16px 20px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-title-icon {
  font-size: 20px;
}

.page-year-badge {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-weight: 600;
}