/* ══════════════════════════════════════════════════════
   세이프머니인사이트
   청년도약계좌 vs 청년미래적금 비교 계산기 — styles.css
   모바일 우선 / 외부 라이브러리 없음
══════════════════════════════════════════════════════ */

:root {
  --color-primary: #1a6fc4;
  --color-primary-dark: #145aa0;
  --color-secondary: #0e9f6e;
  --color-secondary-dark: #0b8059;
  --color-danger: #e53e3e;
  --color-warning-bg: #fffbeb;
  --color-warning-bd: #f6ad55;
  --color-warning-text: #92400e;
  --color-info-bg: #ebf5ff;
  --color-info-bd: #bee3f8;
  --color-info-text: #1a365d;
  --color-error-bg: #fff5f5;
  --color-error-bd: #fc8181;
  --color-error-text: #c53030;
  --color-card-bg: #ffffff;
  --color-body-bg: #f0f4f8;
  --color-border: #e2e8f0;
  --color-text: #1a202c;
  --color-text-muted: #718096;
  --color-a: #2b6cb0;
  --color-b: #276749;
  --color-tie: #744210;
  --color-a-bg: #ebf4ff;
  --color-b-bg: #f0fff4;
  --color-tie-bg: #fffff0;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 1px 4px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.06);
  --font-main: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  --transition: 0.18s ease;
}

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

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

body {
  font-family: var(--font-main);
  background: var(--color-body-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
  color: #fff;
  padding: 28px 0 24px;
  text-align: center;
}

.brand-name {
  font-size: 0.82rem;
  font-weight: 700;
  opacity: 0.9;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-title {
  margin-top: 4px;
  font-size: clamp(1.25rem, 4vw, 1.8rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.site-subtitle {
  margin-top: 8px;
  font-size: 0.95rem;
  opacity: 0.9;
}

.br-mobile {
  display: none;
}

@media (max-width: 480px) {
  .br-mobile {
    display: block;
  }
}

.info-box,
.warning-box,
.error-box,
.card,
.detail-table-wrap,
.diff-box,
.disclaimer-box,
.type-label-box,
.status-description,
.mini-notice-list {
  box-shadow: var(--shadow-card);
}

.info-box {
  background: var(--color-info-bg);
  border: 1px solid var(--color-info-bd);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-top: 20px;
  color: var(--color-info-text);
  font-size: 0.9rem;
}

.info-box p + p,
.mini-notice-list p + p,
.disclaimer-box p + p {
  margin-top: 8px;
}

.info-note {
  font-size: 0.83rem;
  background: rgba(190, 227, 248, 0.32);
  border-radius: 6px;
  padding: 6px 8px;
}

.warning-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--color-warning-bg);
  border: 1.5px solid var(--color-warning-bd);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-top: 14px;
  color: var(--color-warning-text);
  font-size: 0.9rem;
}

.warning-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.error-box {
  background: var(--color-error-bg);
  border: 1.5px solid var(--color-error-bd);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-top: 14px;
  color: var(--color-error-text);
  font-size: 0.9rem;
}

.error-box p + p {
  margin-top: 6px;
}

.card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  margin-top: 18px;
}

.card-compact {
  padding: 14px 16px;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: 1.05rem;
  font-weight: 700;
}

.section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  flex-shrink: 0;
}

.section-desc {
  margin-bottom: 14px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.radio-card {
  flex: 1 1 130px;
  position: relative;
  cursor: pointer;
}

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

.radio-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 72px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 10px;
  text-align: center;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.radio-card:hover .radio-content,
.radio-card input:checked + .radio-content {
  border-color: var(--color-primary);
}

.radio-card input:checked + .radio-content {
  background: var(--color-info-bg);
  box-shadow: 0 0 0 3px rgba(26, 111, 196, 0.15);
}

.radio-label {
  font-size: 0.96rem;
  font-weight: 700;
}

.radio-desc {
  margin-top: 3px;
  font-size: 0.79rem;
  color: var(--color-text-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input {
  width: 100%;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 42px 10px 12px;
  font-size: 0.95rem;
  font-family: var(--font-main);
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  -moz-appearance: textfield;
}

.form-input::-webkit-outer-spin-button,
.form-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.form-input:focus,
.advanced-box summary:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 111, 196, 0.15);
}

.input-unit {
  position: absolute;
  right: 10px;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  pointer-events: none;
  white-space: nowrap;
}

.input-hint {
  font-size: 0.77rem;
  color: var(--color-text-muted);
}

.badge-optional {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid #9ae6b4;
  background: #f0fff4;
  color: var(--color-secondary);
  font-size: 0.72rem;
  font-weight: 700;
  vertical-align: middle;
}

.advanced-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #f8fafc;
  overflow: hidden;
}

.advanced-box summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  font-weight: 700;
  color: var(--color-primary);
  background: #f1f5f9;
}

.advanced-box summary::-webkit-details-marker {
  display: none;
}

.advanced-grid {
  padding: 14px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  min-width: 120px;
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(26, 111, 196, 0.3);
}

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

.btn-secondary {
  background: #edf2f7;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
}

.btn-ghost:hover {
  background: #f7fafc;
}

.btn-copy {
  background: var(--color-secondary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(14, 159, 110, 0.25);
}

.btn-copy:hover {
  background: var(--color-secondary-dark);
}

.btn-toggle {
  width: 100%;
  margin-top: 14px;
  background: #f7fafc;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

.btn-toggle:hover {
  background: var(--color-info-bg);
}

.summary-card {
  background: #f7fafc;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  margin-top: 10px;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.86rem;
}

.summary-key {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.summary-val {
  text-align: right;
  font-weight: 700;
}

.criteria-card {
  margin-top: 14px;
}

.mini-notice-list {
  margin-top: 14px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  background: #ffffff;
  border-radius: var(--radius-md);
}

.type-label-box {
  margin-top: 14px;
  padding: 11px 14px;
  background: #f7fafc;
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.result-heading {
  margin: 28px 0 16px;
  text-align: center;
  font-size: 1.28rem;
  font-weight: 800;
}

.result-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.result-card {
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.result-card--a {
  background: var(--color-a-bg);
  border: 2px solid #bee3f8;
}

.result-card--b {
  background: var(--color-b-bg);
  border: 2px solid #9ae6b4;
}

.result-card-label {
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.result-card--a .result-card-label {
  color: var(--color-a);
}

.result-card--b .result-card-label {
  color: var(--color-b);
}

.result-card-meta {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.result-card-amount {
  margin-top: 8px;
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.result-card-sub {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.diff-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
  padding: 16px 20px;
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
}

.diff-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.96rem;
}

.diff-label {
  color: var(--color-text-muted);
  font-weight: 600;
}

.diff-value {
  font-size: 1.05rem;
  font-weight: 800;
}

.verdict-badge {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 1.05rem;
  font-weight: 800;
}

.verdict-a {
  background: var(--color-a-bg);
  color: var(--color-a);
  border: 2px solid #bee3f8;
}

.verdict-b {
  background: var(--color-b-bg);
  color: var(--color-b);
  border: 2px solid #9ae6b4;
}

.verdict-tie {
  background: var(--color-tie-bg);
  color: var(--color-tie);
  border: 2px solid #faf089;
}

.status-description {
  margin-top: 12px;
  padding: 12px 14px;
  background: #ffffff;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.copy-btn-wrap {
  display: flex;
  justify-content: center;
  margin-top: 14px;
}

.detail-section {
  margin-top: 4px;
}

.detail-table-wrap {
  margin-top: 10px;
  border-radius: var(--radius-md);
  background: var(--color-card-bg);
  overflow: hidden;
}

.detail-title {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 0.96rem;
  font-weight: 700;
}

.table-scroll {
  overflow-x: auto;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.detail-table th {
  padding: 10px 14px;
  background: #f7fafc;
  border-bottom: 1.5px solid var(--color-border);
  text-align: left;
  font-weight: 700;
  color: var(--color-text-muted);
}

.detail-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.detail-table td:last-child {
  text-align: right;
  font-weight: 700;
  white-space: nowrap;
}

.detail-table tr:last-child td {
  border-bottom: none;
}

.row-subtotal td {
  background: #f0f4f8;
  font-weight: 800 !important;
}

.row-total td {
  background: var(--color-info-bg);
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 800 !important;
}

.disclaimer-box {
  margin-top: 20px;
  padding: 14px 16px;
  background: #f7fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.site-footer {
  margin-top: 40px;
  padding: 20px 0;
  background: #e2e8f0;
  text-align: center;
  font-size: 0.79rem;
  color: var(--color-text-muted);
}

.hidden {
  display: none !important;
}

@media (max-width: 520px) {
  .form-grid,
  .summary-grid,
  .result-cards {
    grid-template-columns: 1fr;
  }

  .summary-item,
  .diff-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 360px) {
  .card {
    padding: 16px 14px;
  }

  .btn {
    width: 100%;
  }
}

@media (min-width: 600px) {
  .container {
    padding: 0 24px;
  }

  .card {
    padding: 26px 28px;
  }
}

/* ============================================
   v2/v3 확장 스타일
   ============================================ */

.check-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #f8fbff;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.check-card:hover {
  border-color: var(--color-primary);
}

.check-card input[type='checkbox'] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.check-card-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 0.92rem;
}

.check-card-text strong {
  color: var(--color-primary);
}

.check-card-text span {
  color: var(--color-text-muted);
  font-size: 0.84rem;
}

.lump-deposit-box {
  margin-top: 4px;
}

.lump-deposit-fields {
  margin-top: 12px;
  padding: 14px;
  border: 1px dashed var(--color-info-bd);
  border-radius: var(--radius-md);
  background: #fbfdff;
}

.form-grid--nested {
  margin-top: 0;
}

.input-wrap--no-unit {
  display: block;
}

.lump-conv-display {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--color-info-bg);
  border: 1px solid var(--color-info-bd);
  color: var(--color-info-text);
  font-size: 0.88rem;
  line-height: 1.55;
}

.lump-conv-display.warn {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-bd);
  color: var(--color-warning-text);
}

.status-info-box {
  margin-top: 12px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.55;
}

.status-info-inner {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--color-info-bg);
  border: 1px solid var(--color-info-bd);
  color: var(--color-info-text);
}

.status-info-inner.status-info--empty {
  background: #f8fafc;
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.status-info-inner.status-info--warn {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-bd);
  color: var(--color-warning-text);
}

.status-info-title,
.status-title {
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
  color: var(--color-primary);
}

.status-info-block + .status-info-block {
  margin-top: 12px;
}

.status-info-block-title {
  margin-bottom: 6px;
  font-weight: 700;
  color: var(--color-text);
}

.status-info-list,
.status-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.status-info-list li,
.status-list li {
  position: relative;
  padding: 3px 0 3px 18px;
  color: inherit;
}

.status-info-list li::before,
.status-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: currentColor;
  font-weight: 700;
}

.status-info-list li strong,
.status-list li strong {
  color: inherit;
}

.status-info-progress,
.status-progress {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(26, 111, 196, 0.25);
  font-size: 0.83rem;
  color: var(--color-text-muted);
}

.row-section td {
  background: #f8fafc;
  color: var(--color-primary);
  font-weight: 800 !important;
}

@media (max-width: 520px) {
  .check-card {
    padding: 12px 13px;
  }

  .status-info-inner {
    padding: 12px 13px;
  }
}