:root {
  --bg: #f5f7fb;
  --card-bg: #ffffff;
  --text: #1b1f27;
  --muted: #6b7280;
  --primary: #2f6fed;
  --primary-soft: #e8f0ff;
  --border: #e5e8ef;
  --danger: #e0463f;
  --star: #f5a623;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: 76px;
}

.topbar {
  background: var(--primary);
  color: #fff;
  padding: 18px 16px 14px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { margin: 0 0 4px; font-size: 20px; }
.updated { margin: 0; font-size: 12px; opacity: 0.85; }

.searchbar { padding: 12px 16px 0; }
.searchbar input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 15px;
  background: var(--card-bg);
}

.chips {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  overflow-x: auto;
}
.chip {
  flex: none;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
}
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.list {
  padding: 4px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 14px 16px;
  border: 1px solid var(--border);
}
.card-head { display: flex; align-items: center; gap: 8px; }
.badge {
  font-size: 11px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.cert-name { flex: 1; font-size: 16px; margin: 0; }
.star {
  border: none;
  background: none;
  font-size: 22px;
  color: var(--star);
  cursor: pointer;
  line-height: 1;
  padding: 2px 4px;
}
.next-info {
  margin: 8px 0 10px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}
.single-date {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--primary);
  font-weight: 600;
}
.phase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.phase h3 {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}
.phase dl {
  margin: 0;
  font-size: 12.5px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 8px;
}
.phase dt { color: var(--muted); }
.phase dd { margin: 0; }

.pastToggleWrap { text-align: center; margin: 4px 0 20px; }
.pastToggle {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
}

.empty-msg {
  text-align: center;
  color: var(--muted);
  padding: 40px 16px;
  font-size: 14px;
}

.tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
.tab {
  flex: 1;
  border: none;
  background: none;
  padding: 12px 4px;
  font-size: 13px;
  color: var(--muted);
}
.tab.active { color: var(--primary); font-weight: 700; }

.source-panel { padding: 16px; }
.source-panel h2 { font-size: 17px; }
.source-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.source-card h3 { margin: 0 0 6px; font-size: 14px; }
.source-card p { margin: 4px 0; font-size: 13.5px; }
.source-card a {
  display: inline-block;
  margin-top: 8px;
  color: var(--primary);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
}
.source-card.note { background: #fff7ea; border-color: #f3dfae; }
.muted { color: var(--muted); }
.last-fetch { font-size: 12px; color: var(--muted); text-align: center; }

.hidden { display: none !important; }