/* EVOS 통계센터 — 공식 통계표 스타일 */
:root {
  --color-primary: #0c352f;
  --color-bg: #f5f7f6;
  --color-border: #d9e0dd;
  --color-text: #1a1a1a;
  --color-muted: #5a6b66;
  --color-white: #fff;
  --font-sans: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --max-width: 1200px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
.site-header {
  background: var(--color-white);
  border-bottom: 2px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.site-brand:hover {
  text-decoration: none;
}

.site-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 800;
  border-radius: 4px;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 2px;
  justify-content: flex-end;
}

.site-nav__link {
  padding: 6px 10px;
  font-size: 0.8125rem;
  color: var(--color-text);
  border-radius: 4px;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link--active {
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--color-primary);
  font-size: 0.875rem;
}

@media (max-width: 960px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 8px 16px 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-header__inner {
    position: relative;
    flex-wrap: wrap;
  }
}

/* Main */
.site-main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 16px 48px;
  width: 100%;
}

.page-title {
  margin: 0 0 8px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.page-lead {
  margin: 0 0 20px;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 20px;
  padding: 10px 14px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.875rem;
}

.meta-bar__item strong {
  color: var(--color-primary);
}

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 14px 16px;
}

.kpi-card__label {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.kpi-card__value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: right;
}

.kpi-card__unit {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-muted);
  margin-left: 2px;
}

/* Quick links */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.quick-card {
  display: block;
  padding: 14px 16px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.15s;
}

.quick-card:hover {
  border-color: var(--color-primary);
  text-decoration: none;
}

.quick-card__title {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9375rem;
}

.quick-card__desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: 4px;
}

/* Sections */
.section {
  margin-bottom: 32px;
}

.section__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-border);
}

.sample-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #7a5c00;
  background: #fff3cd;
  border: 1px solid #e6d9a8;
  border-radius: 3px;
  line-height: 1.4;
  vertical-align: middle;
}

/* Sample data banner */
.sample-banner {
  background: #fff8e6;
  border-bottom: 1px solid #e6d9a8;
}

.sample-banner__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 16px;
}

.sample-banner__text {
  margin: 0;
  font-size: 0.875rem;
  color: #5c4a00;
  line-height: 1.5;
}

.sample-banner__text strong {
  color: #7a5c00;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 480px;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

.data-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.data-table td.text {
  text-align: left;
}

.data-table td.center {
  text-align: center;
}

.data-table tbody tr:nth-child(even) {
  background: #fafbfb;
}

.data-table tbody tr:hover {
  background: #eef2f0;
}

.data-table .rank {
  text-align: center;
  width: 48px;
  font-weight: 600;
  color: var(--color-muted);
}

.data-table .unit {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-left: 2px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
}

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

.tab-btn.is-active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.tab-panel {
  display: none;
}

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

/* Reports buttons */
.btn-dl {
  display: inline-block;
  padding: 5px 12px;
  font-size: 0.8125rem;
  border-radius: 4px;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}

.btn-dl:hover:not(:disabled) {
  opacity: 0.9;
  text-decoration: none;
  color: var(--color-white);
}

.btn-dl:disabled,
.btn-dl.is-disabled {
  background: #b0bdb9;
  border-color: #b0bdb9;
  cursor: not-allowed;
  color: var(--color-white);
}

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

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

/* Methodology */
.method-list {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 20px 24px;
}

.method-list dt {
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 16px;
}

.method-list dt:first-child {
  margin-top: 0;
}

.method-list dd {
  margin: 6px 0 0;
  color: var(--color-text);
  font-size: 0.9375rem;
}

.notice-box {
  margin-top: 20px;
  padding: 14px 16px;
  background: #fff8e6;
  border: 1px solid #e6d9a8;
  border-radius: 4px;
  font-size: 0.875rem;
}

/* Error / loading */
.msg-error {
  padding: 16px;
  background: #fdecea;
  border: 1px solid #f5c6c2;
  color: #721c24;
  border-radius: 4px;
  text-align: center;
}

.msg-loading {
  padding: 24px;
  text-align: center;
  color: var(--color-muted);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.92);
  padding: 20px 16px;
  font-size: 0.8125rem;
  margin-top: auto;
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-footer p {
  margin: 0 0 6px;
  line-height: 1.7;
}

.site-footer p:last-child {
  margin-bottom: 0;
  opacity: 0.85;
}