:root {
  --bg: #0b1020;
  --panel: #121a2e;
  --text: #e7ecf5;
  --muted: #9aa7bd;
  --primary: #5b8cff;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --border: #2d3748;
}

html, body {
  padding: 0;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px;
}

header h1 {
  margin: 0 0 12px;
}

main {
  background: var(--panel);
  border-radius: 12px;
  padding: 20px 24px;
}

a { color: var(--primary); }

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

/* Table styles */
.table-container {
  overflow-x: auto;
  margin-bottom: 24px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg);
  border-radius: 8px;
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--primary);
  color: white;
  font-weight: 600;
}

.data-table tbody tr:hover {
  background: rgba(91, 140, 255, 0.1);
}

.empty-row td {
  text-align: center;
  color: var(--muted);
  font-style: italic;
}

/* Button styles */
.actions {
  margin-top: 20px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: #4a7cff;
}

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

.btn-secondary:hover {
  background: #7a8ba3;
}

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

.btn-danger:hover {
  background: #ef4444;
}

/* Popup styles */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.popup-overlay.active {
  display: flex;
}

.popup-content {
  background: var(--panel);
  border-radius: 12px;
  padding: 0;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.popup-header h3 {
  margin: 0;
  color: var(--text);
}

.close-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: var(--text);
}

.popup-form {
  padding: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text);
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  box-sizing: border-box;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.1);
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* Dates popup styles */
.dates-popup {
  max-width: 600px;
}

.dates-content {
  padding: 24px;
}

.dates-info {
  margin-bottom: 20px;
  color: var(--muted);
}

.dates-list {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
}

.date-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.2s;
}

.date-item:last-child {
  border-bottom: none;
}

.date-item:hover {
  background: rgba(91, 140, 255, 0.1);
}

.date-checkbox {
  margin-right: 12px;
  transform: scale(1.2);
}

.date-info {
  flex: 1;
}

.date-main {
  font-weight: 500;
  color: var(--text);
}

.date-details {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.date-stock {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 500;
}

.stock-available {
  background: rgba(74, 222, 128, 0.2);
  color: var(--success);
}

.stock-unavailable {
  background: rgba(248, 113, 113, 0.2);
  color: var(--danger);
}

.stock-low {
  background: rgba(251, 191, 36, 0.2);
  color: var(--warning);
}