* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
  color: #212529;
  background: #fafafa;
}

.app-header h1 {
  font-size: 1.4rem;
  margin: 0 0 0.75rem;
}

.app-version {
  font-size: 0.75rem;
  font-weight: normal;
  color: #888;
  vertical-align: middle;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.file-status-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.file-status.ok { color: #2b8a3e; }
.file-status.warn { color: #996a13; }
.file-status.error { color: #c92a2a; }

.nav-btn {
  padding: 0.4rem 0.8rem;
  border: 1px solid #ced4da;
  border-radius: 6px;
  background: #fff;
  color: #212529;
  cursor: pointer;
  font-size: 0.9rem;
}

.nav-btn.active {
  background: #1971c2;
  border-color: #1971c2;
  color: #fff;
}

.tab { display: none; }
.tab.active { display: block; }

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 1rem;
}

.inline-form label, .form-row label, #settings-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  gap: 0.25rem;
}

.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.form-row label { flex: 1; min-width: 180px; }

#settings-form {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: end;
}

input, button {
  font: inherit;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  border: 1px solid #ced4da;
}

button {
  background: #1971c2;
  color: #fff;
  border-color: #1971c2;
  cursor: pointer;
}

button:hover { opacity: 0.9; }

fieldset {
  margin: 1rem 0;
  border: 1px solid #ced4da;
  border-radius: 6px;
  padding: 0.75rem;
}

.checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}

.data-table th, .data-table td {
  border-bottom: 1px solid #e0e0e0;
  padding: 0.5rem;
  text-align: left;
  font-size: 0.9rem;
}

.badge {
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: capitalize;
}

.badge-active { background: #d3f9d8; color: #2b8a3e; }
.badge-inactive { background: #e9ecef; color: #495057; }
.badge-simple { background: #e7f5ff; color: #1971c2; }
.badge-fair-cap { background: #fff3bf; color: #996a13; }

.btn-small {
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  margin-right: 0.25rem;
  background: #fff;
  color: #212529;
}

.btn-danger { color: #c92a2a; border-color: #c92a2a; }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.stat-card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 1rem;
  background: #fff;
}

.stat-card h3 { margin: 0 0 0.5rem; font-size: 0.9rem; color: #666; }
.stat-value { font-size: 1.5rem; font-weight: 600; margin: 0; }
.stat-sub { font-size: 0.8rem; color: #888; margin: 0.25rem 0 0; }

.warning { color: #c92a2a; font-size: 0.85rem; }
.preview-text { font-size: 0.85rem; color: #666; }
.empty { color: #999; font-style: italic; text-align: center; }

.session-card {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #fff;
}

.session-card summary {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  cursor: pointer;
  align-items: center;
  list-style: none;
}

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

.session-detail {
  margin-top: 0.75rem;
  border-top: 1px solid #eee;
  padding-top: 0.75rem;
}

.mini-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}

.mini-table th, .mini-table td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid #eee;
  font-size: 0.85rem;
  text-align: left;
}

.guest-name-input {
  width: 100%;
  max-width: 140px;
  padding: 0.2rem 0.35rem;
  font-size: 0.85rem;
}

.session-actions { margin-top: 0.5rem; }

.stock-summary { font-weight: 600; margin: 0.5rem 0; }

.file-label {
  display: inline-block;
  margin-left: 0.5rem;
  cursor: pointer;
  border: 1px solid #ced4da;
  border-radius: 4px;
  background: #fff;
  color: #212529;
}

.file-label input[type="file"] { display: none; }