/* Base styles */
@import url('https://fonts.googleapis.com/css2?family=Caveat&family=Dancing+Script&family=Pacifico&family=Satisfy&display=swap');

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f3f4f6;
  min-height: 100vh;
  padding: 2rem 1rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

.signature-system {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-bottom: 2rem;
}

.header {
  background-color: #2563eb;
  color: white;
  padding: 1.5rem;
  text-align: center;
}

.header h1 {
  font-size: 1.875rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.header p {
  color: #bfdbfe;
}

.signature-container {
  padding: 1.5rem;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 1rem;
  font-weight: 500;
  color: #6b7280;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: #2563eb;
}

.tab-btn.active {
  color: #2563eb;
  border-bottom-color: #2563eb;
}

.tab-content {
  display: none;
  margin-bottom: 1.5rem;
}

.tab-content.active {
  display: block;
}

/* Upload tab */
.upload-container {
  padding: 2rem;
  border: 2px dashed #d1d5db;
  border-radius: 0.5rem;
  text-align: center;
}

.upload-container input[type="file"] {
  margin-bottom: 1rem;
}

.upload-hint {
  font-size: 0.875rem;
  color: #6b7280;
}

/* Draw tab */
.canvas-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

#signatureCanvas {
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  background-color: white;
  width: 100%;
  height: 200px;
  cursor: crosshair;
}

.canvas-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.color-picker, .pen-size {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.color-picker label, .pen-size label {
  font-size: 0.875rem;
  color: #4b5563;
}

/* Type tab */
.type-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

#typedSignature {
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  font-size: 1.125rem;
}

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

.font-selector label {
  font-size: 0.875rem;
  color: #4b5563;
}

.font-selector select {
  padding: 0.5rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
}

.typed-preview {
  min-height: 80px;
  padding: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Signature preview */
.signature-preview {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  background-color: #f9fafb;
}

.signature-preview h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: #1f2937;
  margin-bottom: 1rem;
}

.preview-container {
  position: relative;
  display: inline-block;
}

.preview-container img {
  max-width: 100%;
  max-height: 150px;
  border: 1px solid #d1d5db;
  background-color: white;
  padding: 0.5rem;
  border-radius: 0.25rem;
}

.btn-clear {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  background-color: #ef4444;
  color: white;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-clear:hover {
  background-color: #dc2626;
}

.preview-container .btn-clear {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  padding: 0.25rem 0.5rem;
}

/* Action buttons */
.actions {
  padding: 1.5rem;
  border-top: 1px solid #e5e7eb;
  display: flex;
  justify-content: center;
}

.btn-save {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: #2563eb;
  color: white;
  border: none;
  border-radius: 0.375rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-save:hover {
  background-color: #1d4ed8;
}

/* Utility classes */
.hidden {
  display: none !important;
}