:root {
  --bg: #121214;
  --card-bg: #1e1e24;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --secondary: #374151;
  --secondary-hover: #4b5563;
  --border: #2a2a35;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding-bottom: 40px;
}

.topbar {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1.25rem;
  font-weight: bold;
}

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

.session-info {
  font-size: 0.9rem;
  color: var(--text);
}

.nav {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-btn {
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.nav-btn:hover, .nav-btn.active {
  color: var(--text);
  background-color: var(--secondary);
}

.nav-btn.logout {
  margin-left: auto;
  color: var(--danger);
}

.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card h1, .card h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.page-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.page-title h1 {
  font-size: 1.5rem;
}

.page-title p {
  color: var(--muted);
  font-size: 0.9rem;
}

.badge {
  background-color: var(--secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
}

label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

input, select {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.25rem;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
}

.grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.grid.two { grid-template-columns: 1fr 1fr; }
.grid.three { grid-template-columns: 1fr 1fr 1fr; }

.notice {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.job-section {
  margin-bottom: 1rem;
}

.job-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.job-row:last-child {
  border-bottom: none;
}

.job-name {
  font-weight: 500;
}

.job-price {
  font-size: 0.85rem;
  color: var(--muted);
}

.qty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.qty button {
  width: 32px;
  height: 32px;
  background-color: var(--secondary);
  border: none;
  border-radius: 4px;
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
}

.qty button:hover {
  background-color: var(--secondary-hover);
}

.qty-input {
  width: 60px;
  text-align: center;
  margin-top: 0;
  padding: 0.4rem;
}

.total-card .total-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.total-card .total-row.discount {
  color: #34d399;
}

.total-card .grand {
  display: flex;
  justify-content: space-between;
  font-size: 1.5rem;
  font-weight: bold;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s;
}

.btn.primary {
  background-color: var(--primary);
  color: white;
}
.btn.primary:hover { background-color: var(--primary-hover); }

.btn.secondary {
  background-color: var(--secondary);
  color: white;
}
.btn.secondary:hover { background-color: var(--secondary-hover); }

.btn.danger {
  background-color: var(--danger);
  color: white;
}
.btn.danger:hover { background-color: var(--danger-hover); }

.btn.full { width: 100%; }

.copy-message {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg);
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat span {
  font-size: 0.85rem;
  color: var(--muted);
}

.stat strong {
  font-size: 1.5rem;
  display: block;
  margin-top: 0.25rem;
}

.toolbar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.file-btn {
  display: inline-block;
  background-color: var(--secondary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
}
.file-btn input { display: none; }
.file-btn:hover { background-color: var(--secondary-hover); }

.history-item, .staff-item, .job-admin-item {
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.history-head, .item-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.history-title {
  font-weight: bold;
}

.history-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.history-details {
  list-style: disc;
  margin-left: 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.item-actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--text);
  margin-bottom: 1rem;
}
.inline-check input {
  width: auto;
  margin-top: 0;
}

.error {
  color: var(--danger);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.muted { color: var(--muted); }
.hidden { display: none !important; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 3rem;
}