:root {
  --border: #d7dbe0;
  --text: #1f2933;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --bg: #f7f8fa;
  --card-bg: #ffffff;
  --error-bg: #fdecea;
  --error-text: #b3261e;
  --success-bg: #eaf7ed;
  --success-text: #1e7b34;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 600; }

.site-header nav a {
  margin-left: 16px;
  color: var(--text);
  text-decoration: none;
}

.site-header nav a:hover { color: var(--accent); }

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

h1 { margin-top: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; font-size: 0.85em; text-transform: uppercase; }

.row-actions a, .row-actions .link-button {
  margin-right: 12px;
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  font: inherit;
  text-decoration: underline;
}

.link-button:hover { color: var(--accent-hover); }

.card {
  max-width: 480px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}

.auth-card { margin: 60px auto; }

form label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.9em;
  color: var(--muted);
}

form input, form textarea, form select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  color: var(--text);
}

.assign-form select { min-width: 180px; }

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

button, .button, .button-secondary {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
}

button:hover, .button:hover { background: var(--accent-hover); }

.button-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.muted { color: var(--muted); font-size: 0.85em; }

.role-badge {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  margin: 0 4px 4px 0;
  font-size: 0.8em;
  color: var(--muted);
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 14px;
  padding: 10px 14px 4px;
}

fieldset legend {
  font-size: 0.9em;
  color: var(--muted);
  padding: 0 4px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-label input { width: auto; margin: 0; }

.empty-state { color: var(--muted); }

.filter-bar {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
}

.filter-bar label {
  margin-bottom: 0;
}

.filter-bar input[type="text"] { width: auto; }

.detail-list {
  display: grid;
  grid-template-columns: 140px 1fr;
  row-gap: 8px;
  column-gap: 12px;
  margin: 0;
}

.detail-list dt { color: var(--muted); font-size: 0.85em; }
.detail-list dd { margin: 0; }

.volunteer-picker {
  position: relative;
  margin-bottom: 14px;
}

.picker-results {
  position: absolute;
  z-index: 10;
  left: 0;
  right: 0;
  max-height: 220px;
  overflow-y: auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.picker-result-item {
  padding: 8px 10px;
  cursor: pointer;
}

.picker-result-item:hover {
  background: var(--bg);
}

.picker-result-empty {
  padding: 8px 10px;
  color: var(--muted);
}

.flashes { list-style: none; padding: 0; margin: 0 0 16px; }

.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.flash-error { background: var(--error-bg); color: var(--error-text); }
.flash-success { background: var(--success-bg); color: var(--success-text); }

@media print {
  .no-print { display: none; }
  body { background: #fff; }
}