body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8f9fa;
}

.app {
  display: flex;
  min-height: calc(100vh - 130px);
  background: #ffffff;
}

.toolbar {
  width: 220px;
  background: #f5f5f5;
  padding: 20px;
  border-right: 1px solid #ddd;
  box-shadow: 2px 0 6px rgba(0, 0, 0, 0.05);
}

.toolbar button,
.toolbar input {
  width: 100%;
  margin-bottom: 10px;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  color: #333;
  cursor: pointer;
}

.toolbar button.active {
  background: #000;
  color: #fff;
  border-color: #000;
}

.toolbar hr {
  margin: 16px 0;
}

.board-container {
  position: relative;
  flex: 1;
  min-height: 600px;
  background: #fff;
  overflow: hidden;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
}

#notes-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#notes-layer .note {
  pointer-events: auto;
}

.note {
  position: absolute;
  width: 180px;
  min-height: 130px;
  background: #fff8b0;
  padding: 12px 12px 12px 14px;
  border: 1px solid #ccc;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  cursor: move;
  overflow: hidden;
}

.note-body {
  min-height: 100px;
  color: #000;
  font-size: 0.95rem;
  line-height: 1.4;
  outline: none;
  white-space: pre-wrap;
}

.note:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.delete-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  border-radius: 50%;
  background: #ff5b5b;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
}

/* Estilos para el modal de bienvenida */
#popupBienvenida .modal-content {
  background-color: #ffffff;
  color: #000000;
}

#popupBienvenida .modal-header {
  background-color: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
}

#popupBienvenida .modal-title {
  color: #000000;
}

#popupBienvenida .modal-body {
  color: #000000;
}

#popupBienvenida .modal-body p,
#popupBienvenida .modal-body li {
  color: #000000;
}

#popupBienvenida .btn-primary {
  background-color: #007bff;
  border-color: #007bff;
}

#popupBienvenida .btn-primary:hover {
  background-color: #0056b3;
  border-color: #0056b3;
}