:root {
  --bg: #f5f7f6;
  --surface: #ffffff;
  --surface-2: #eef2f0;
  --text: #16211c;
  --text-muted: #5b6b62;
  --border: #dde5e1;
  --accent: #0f6b4f;
  --accent-strong: #0a5038;
  --accent-soft: #e3f3ec;
  --chip-bg: #eef2f0;
  --chip-text: #33443b;
  --danger: #b3261e;
  --danger-soft: #fbeceb;
  --shadow: 0 1px 3px rgba(16, 24, 20, 0.08);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1512;
    --surface: #17201b;
    --surface-2: #1e2921;
    --text: #eaf1ec;
    --text-muted: #9db2a6;
    --border: #2a3a30;
    --accent: #4fd6a4;
    --accent-strong: #6fe6ba;
    --accent-soft: #16332a;
    --chip-bg: #1e2921;
    --chip-text: #cfe6d9;
    --danger: #ff8a80;
    --danger-soft: #3a1d1b;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

:root[data-theme="dark"] {
  --bg: #0f1512;
  --surface: #17201b;
  --surface-2: #1e2921;
  --text: #eaf1ec;
  --text-muted: #9db2a6;
  --border: #2a3a30;
  --accent: #4fd6a4;
  --accent-strong: #6fe6ba;
  --accent-soft: #16332a;
  --chip-bg: #1e2921;
  --chip-text: #cfe6d9;
  --danger: #ff8a80;
  --danger-soft: #3a1d1b;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans KR", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

.topbar {
  padding: max(20px, env(safe-area-inset-top)) 4px 12px;
  text-align: center;
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.quick-range {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 14px;
}

.time-range {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.chip {
  flex: none;
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--chip-text);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.date-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.field input {
  font: inherit;
  font-size: 15px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 10px;
}

.facility-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.facility-chip {
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--chip-text);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 13px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.facility-chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
  font-weight: 600;
}

.search-btn {
  width: 100%;
  border: none;
  background: var(--accent);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  padding: 13px;
  border-radius: 12px;
  cursor: pointer;
}

.search-btn:active {
  background: var(--accent-strong);
}

.search-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

#status-area {
  margin-top: 14px;
  min-height: 1px;
}

.status-msg {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  padding: 20px 0;
}

.status-msg.error {
  color: var(--danger);
  background: var(--danger-soft);
  border-radius: 10px;
  padding: 12px;
}

.results {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.day-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.day-header {
  padding: 10px 14px;
  background: var(--surface-2);
  font-weight: 700;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.day-header .dow {
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 6px;
}

.court-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

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

.court-name {
  color: var(--text-muted);
  flex: none;
  min-width: 34%;
}

.court-name b {
  color: var(--text);
  font-weight: 600;
}

.time-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.time-slot {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

footer {
  text-align: center;
  margin-top: 28px;
  font-size: 12px;
  color: var(--text-muted);
}

footer a {
  color: var(--text-muted);
}

@media (max-width: 380px) {
  .court-name {
    min-width: 30%;
    font-size: 12px;
  }
}

/* ── 소개·정책 페이지와 메인 안내 글 ── */
.brand-link {
  color: inherit;
  text-decoration: none;
}

.info {
  margin-top: 18px;
  line-height: 1.7;
}

.info h2 {
  font-size: 1.15rem;
  margin: 0 0 10px;
}

.info h3 {
  font-size: 1rem;
  margin: 22px 0 8px;
}

.info p,
.info li,
.info dd {
  color: var(--text);
  font-size: 0.94rem;
}

.info p {
  margin: 0 0 10px;
}

.info a {
  color: var(--accent);
}

.info .muted {
  color: var(--text-muted);
  font-size: 0.86rem;
}

.info ul,
.info ol {
  margin: 0 0 10px;
  padding-left: 1.2em;
  display: grid;
  gap: 4px;
}

.faq dt {
  font-weight: 600;
  margin-top: 12px;
}

.faq dd {
  margin: 4px 0 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 16px;
  margin-bottom: 6px;
}

/* ── 권역별 시설 필터 ── */
.facility-filter {
  flex-direction: column;
  gap: 12px;
}

.region-group {
  display: grid;
  gap: 8px;
}

.region-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.region-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.region-toggle {
  border: 0;
  background: none;
  color: var(--accent);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 2px;
  cursor: pointer;
}

.region-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── 지역(도시) 탭 ── */
.city-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.city-tab {
  flex: 1 1 0;
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--chip-text);
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.city-tab span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 2px;
}

.city-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.city-tab.active span {
  color: rgba(255, 255, 255, 0.8);
}

.city-note {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.city-note a {
  color: var(--accent);
}

.info .city-heading {
  font-size: 0.92rem;
  margin: 14px 0 6px;
}

/* 날짜 단위로만 공개하는 곳(경주)의 결과 칩 */
.time-slot.day-only {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px dashed var(--border);
}

/* 강남구: 온라인 신청기간이 끝나 전화로 예약하는 빈 시간 */
.time-slot.phone-only {
  background: var(--surface-2);
  color: var(--accent-strong);
  border: 1px solid var(--accent-soft);
}

/* ── 위쪽 메뉴 ── */
.site-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 12px;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--chip-bg);
}

.site-nav a[aria-current="page"] {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

/* ── 콘텐츠 페이지 공통 ── */
.crumbs {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.crumbs a {
  color: var(--text-muted);
}

.info .lead {
  font-size: 0.98rem;
  color: var(--text-muted);
}

.facts {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 8px 16px;
  margin: 16px 0;
  font-size: 0.92rem;
}

.facts dt {
  color: var(--text-muted);
  font-weight: 600;
}

.facts dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
}

@media (max-width: 420px) {
  .facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .facts dd {
    margin-bottom: 8px;
  }
}

.court-links {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: grid;
  gap: 6px;
}

.court-links li {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 10px;
  align-items: baseline;
}

.court-links .muted {
  font-size: 0.82rem;
}

.city-block + .city-block {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.guide-link {
  font-size: 12px;
  font-weight: 600;
  margin-left: 6px;
}

.guide-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 14px;
}

.guide-list p {
  margin: 2px 0 0;
}

.court-availability {
  display: grid;
  gap: 10px;
  margin: 8px 0 12px;
}

.avail-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.avail-date {
  font-size: 13px;
  font-weight: 600;
  padding-top: 3px;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 9px 16px;
  border-radius: 10px;
}

.info .source {
  margin-top: 18px;
  font-size: 0.8rem;
}

.contact-mail {
  font-size: 1rem;
  font-weight: 600;
}

footer .disclaimer {
  max-width: 560px;
  margin: 8px auto 0;
  line-height: 1.5;
}