:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --text: #1a1a2e;
  --text-muted: #6c757d;
  --border: #dee2e6;
  --accent: #2d6a4f;
  --dem: #2166ac;
  --rep: #b2182b;
  --ind: #7b7b7b;
  --green: #2d6a4f;
  --yellow: #e9c46a;
  --orange: #e76f51;
  --red: #c1121f;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background: var(--text);
  color: #fff;
  padding: 2rem 0;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.1rem;
  opacity: 0.8;
  margin-top: 0.25rem;
}

.intro {
  padding: 1.5rem 0 0;
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 800px;
}

.controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem 0;
  align-items: flex-end;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.control-group label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

select, input[type="text"] {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--text);
  min-width: 160px;
}

select:focus, input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.zip-wrapper {
  display: flex;
  gap: 0;
}

.zip-wrapper input {
  border-radius: var(--radius) 0 0 var(--radius);
  min-width: 100px;
  width: 120px;
}

.zip-wrapper button {
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  border-left: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}

.zip-wrapper button:hover {
  opacity: 0.9;
}

.reset-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}

.reset-btn:hover {
  background: var(--bg);
  color: var(--text);
}

.leaderboard {
  padding: 1.5rem 0 1rem;
}

.leaderboard h2 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.leaderboard-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.5rem;
}

.lb-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--ind);
}

.lb-item.party-D { border-left-color: var(--dem); }
.lb-item.party-R { border-left-color: var(--rep); }

.lb-rank {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-muted);
  min-width: 1.5rem;
  text-align: center;
}

.lb-info {
  flex: 1;
  min-width: 0;
}

.lb-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.lb-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.lb-time-wrap {
  text-align: right;
  flex-shrink: 0;
}

.lb-time {
  font-weight: 800;
  font-size: 0.95rem;
  white-space: nowrap;
  display: block;
}

.lb-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  text-decoration: none;
}

a.lb-date {
  text-decoration: underline;
  text-decoration-color: var(--border);
}

a.lb-date:hover {
  color: var(--accent);
}

.lb-missed {
  font-size: 0.75rem;
  color: var(--orange);
  font-weight: 600;
  display: block;
}

.lb-time.urgency-low { color: var(--green); }
.lb-time.urgency-medium { color: var(--yellow); }
.lb-time.urgency-high { color: var(--orange); }
.lb-time.urgency-critical { color: var(--red); }

.section-heading {
  font-size: 1.3rem;
  font-weight: 800;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.status {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  padding-bottom: 3rem;
}

.day-group {
  grid-column: 1 / -1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.day-group-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

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

.day-group-summary::before {
  content: "\25B6";
  font-size: 0.7rem;
  margin-right: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.15s;
}

.day-group[open] > .day-group-summary::before {
  transform: rotate(90deg);
}

.day-group-label {
  font-weight: 700;
  font-size: 1rem;
}

.day-group-count {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.day-group > .members-grid {
  padding: 0.5rem 1rem 1rem;
}

.member-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--ind);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.member-card.party-D { border-left-color: var(--dem); }
.member-card.party-R { border-left-color: var(--rep); }

.member-card .member-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.member-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.member-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.member-party {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  text-transform: uppercase;
  flex-shrink: 0;
}

.member-party.party-D { background: #dbeafe; color: var(--dem); }
.member-party.party-R { background: #fee2e2; color: var(--rep); }
.member-party.party-I { background: #e5e7eb; color: var(--ind); }

.time-ago {
  font-size: 1.25rem;
  font-weight: 800;
}

.time-ago.urgency-low { color: var(--green); }
.time-ago.urgency-medium { color: var(--yellow); }
.time-ago.urgency-high { color: var(--orange); }
.time-ago.urgency-critical { color: var(--red); }

.vote-info {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.vote-info a {
  color: var(--text-muted);
  text-decoration: underline;
  text-decoration-color: var(--border);
}

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

.vote-position {
  display: inline-block;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  background: #e9ecef;
}

.no-vote {
  font-size: 1rem;
  font-weight: 600;
  color: var(--red);
}

footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.7);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.85rem;
}

footer a {
  color: #fff;
}

@media (max-width: 600px) {
  header h1 {
    font-size: 1.8rem;
  }

  .controls {
    flex-direction: column;
  }

  .control-group {
    width: 100%;
  }

  select, input[type="text"] {
    width: 100%;
    min-width: unset;
  }

  .zip-wrapper input {
    flex: 1;
    min-width: unset;
    width: auto;
  }

  .members-grid {
    grid-template-columns: 1fr;
  }
}