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

:root {
  --primary: #2c5282;
  --primary-light: #ebf4ff;
  --text: #1a202c;
  --text-muted: #718096;
  --border: #e2e8f0;
  --bg: #f7fafc;
  --white: #ffffff;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
header {
  background: var(--primary);
  color: var(--white);
  padding: 1.5rem 0;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

header p {
  opacity: 0.85;
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* Filters */
.filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filters select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  font-size: 0.9rem;
  min-width: 180px;
}

.filters select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

/* Search */
.search-bar {
  margin-bottom: 1.5rem;
}

.search-bar input {
  width: 100%;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.search-bar input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

/* Directory list */
.directory {
  display: grid;
  gap: 0.75rem;
}

.volunteer-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.volunteer-card .name {
  font-weight: 600;
  font-size: 1rem;
}

.volunteer-card .meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

.volunteer-card .badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
}

.count {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.loading,
.error,
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.error {
  color: #c53030;
}

/* Admin page */
.admin-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.btn {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 500;
}

.btn:hover {
  opacity: 0.9;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-group {
  display: flex;
  gap: 0.75rem;
}

.result {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.result.success {
  background: #f0fff4;
  color: #276749;
  border: 1px solid #c6f6d5;
}

.result.error {
  background: #fff5f5;
  color: #c53030;
  border: 1px solid #fed7d7;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 640px) {
  .filters {
    flex-direction: column;
  }

  .filters select {
    min-width: 100%;
  }

  .volunteer-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}