:root {
  --bg-body: #f4f8f5;
  --bg-hero: linear-gradient(135deg, #e3f2e7 0%, #dcf2f0 100%);
  --bg-card: #ffffff;
  --bg-subtle: #edf5f0;
  --bg-recap: #eef7f5;
  --bg-rsvp: #e8f5e9;
  --text-primary: #182920;
  --text-secondary: #42594c;
  --text-muted: #667d70;
  --accent-green: #1f7a4c;
  --accent-lime: #7cb342;
  --accent-teal: #00897b;
  --badge-bg: #1f7a4c;
  --badge-text: #ffffff;
  --border-color: #d9e8de;
  --shadow-card: 0 6px 20px rgba(24, 41, 32, 0.06);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-body: #111915;
    --bg-hero: linear-gradient(135deg, #17261e 0%, #152726 100%);
    --bg-card: #1a2620;
    --bg-subtle: #22322a;
    --bg-recap: #1d2f2d;
    --bg-rsvp: #1e3327;
    --text-primary: #e7f0ea;
    --text-secondary: #b5c7bc;
    --text-muted: #8aa193;
    --accent-green: #57c487;
    --accent-lime: #9ccc65;
    --accent-teal: #4db6ac;
    --badge-bg: #2e8b57;
    --badge-text: #f0faf4;
    --border-color: #2b3d33;
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

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

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
}

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

/* Hero */
.hero {
  background: var(--bg-hero);
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0 34px;
  margin-bottom: 24px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-teal);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.hero-title {
  margin: 0 0 8px;
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.hero-subtitle {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Card & Sections */
.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 32px 0 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 22px 20px;
}

/* Notice Card */
.notice-card {
  border-top: 4px solid var(--accent-green);
}

.recap-box {
  background-color: var(--bg-recap);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 20px;
}

.recap-title {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent-teal);
}

.recap-list {
  margin: 0;
  padding-left: 18px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.notice-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.notice-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-green);
  display: block;
  margin-bottom: 2px;
}

.notice-title {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 800;
}

.dday-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.meta-list {
  display: grid;
  gap: 8px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 22px;
}

.meta-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 0.95rem;
}

.meta-term {
  font-weight: 700;
  color: var(--accent-green);
  min-width: 36px;
  flex-shrink: 0;
}

.meta-desc {
  margin: 0;
  color: var(--text-primary);
  font-weight: 500;
}

.sub-heading {
  font-size: 1rem;
  font-weight: 700;
  margin: 22px 0 10px;
  color: var(--text-primary);
}

/* Schedule */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.schedule-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-body);
}

.schedule-time {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-teal);
}

.schedule-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.schedule-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.schedule-by {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 2px 9px;
  border-radius: 999px;
}

.schedule-subitems {
  margin: 2px 0 0;
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.schedule-subitems li + li {
  margin-top: 3px;
}

/* Lists */
.info-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.info-list li + li {
  margin-top: 6px;
}

/* RSVP */
.rsvp-box {
  margin-top: 22px;
  background-color: var(--bg-rsvp);
  border-left: 4px solid var(--accent-lime);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Past Meetings */
.past-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.past-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.past-summary {
  cursor: pointer;
  padding: 14px 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
}

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

.past-summary-date {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.past-content {
  padding: 0 18px 18px;
  border-top: 1px solid var(--border-color);
}

/* Intro Cards */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.intro-card {
  padding: 18px 20px;
}

.intro-label {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-green);
}

.intro-text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  margin-top: 44px;
  padding: 24px 0 36px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--accent-teal);
  text-decoration: none;
  font-weight: 600;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (min-width: 600px) {
  .hero {
    padding: 52px 0 42px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .card {
    padding: 28px 26px;
  }

  .schedule-item {
    flex-direction: row;
    align-items: flex-start;
    gap: 18px;
  }

  .schedule-time {
    min-width: 110px;
    padding-top: 2px;
  }

  .schedule-body {
    flex: 1;
  }

  .intro-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}