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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* User Bar Styles */
.user-bar {
  background: rgba(255, 255, 255, 0.95);
  padding: 15px 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.credits-badge {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 8px 15px;
  border-radius: 20px;
  font-weight: bold;
  font-size: 14px;
}

.user-actions {
  display: flex;
  gap: 10px;
}

/* Modal Styles */
.modal {
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: white;
  padding: 30px;
  border-radius: 15px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-content h3 {
  margin-bottom: 20px;
  color: #4a5568;
}

.form-group {
  margin-bottom: 15px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #4a5568;
}

.form-group input {
  width: 100%;
  padding: 10px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 14px;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
}

/* Alert Styles */
.alert {
  padding: 15px;
  border-radius: 8px;
  margin-top: 15px;
}

.alert-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

header h1 {
  color: white;
  font-size: 2.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 10px;
}

.subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin-top: 10px;
  font-weight: 300;
}

.editor-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
  min-height: 600px;
}

.controls-panel {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  overflow-y: auto;
  max-height: 80vh;
}

.control-section {
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.control-section:last-child {
  border-bottom: none;
}

.control-section h3 {
  margin-bottom: 15px;
  color: #4a5568;
  font-size: 1.1rem;
}

textarea,
select,
input[type="range"] {
  width: 100%;
  padding: 8px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.3s ease;
}

textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

textarea:focus,
select:focus {
  outline: none;
  border-color: #667eea;
}

.slider-group {
  margin-bottom: 15px;
}

.slider-group label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 14px;
}

.slider {
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #e2e8f0;
  outline: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #667eea;
  cursor: pointer;
  transition: background 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
  background: #5a67d8;
}

.btn {
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 5px 5px 5px 0;
  min-height: 40px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: #f7fafc;
  color: #4a5568;
  border: 2px solid #e2e8f0;
}

.btn-secondary:hover:not(:disabled) {
  background: #edf2f7;
  border-color: #cbd5e0;
}

.btn-success {
  background: #48bb78;
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: #38a169;
  transform: translateY(-2px);
}

.btn-warning {
  background: #ed8936;
  color: white;
}

.btn-warning:hover:not(:disabled) {
  background: #dd6b20;
}

.canvas-area {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
}

.canvas-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 400px;
  background: repeating-conic-gradient(#f8f9fa 0% 25%, #e9ecef 25% 50%) 50% / 20px 20px;
  border-radius: 10px;
  overflow: hidden;
}

#imageCanvas {
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.drop-zone {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #a0aec0;
  font-size: 18px;
  pointer-events: none;
}

.drop-zone.drag-over {
  color: #667eea;
  font-weight: bold;
}

.canvas-controls {
  margin-top: 20px;
  text-align: center;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid #ffffff;
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.hidden {
  display: none !important;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  line-height: 1;
}

.close:hover {
  color: #000;
}

/* Responsive */
@media (max-width: 768px) {
  .editor-layout {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .controls-panel {
    max-height: none;
    order: 2;
  }

  .canvas-area {
    order: 1;
  }

  header h1 {
    font-size: 2rem;
  }

  .user-bar {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}

.help-text {
  font-size: 12px;
  color: #718096;
  margin-bottom: 10px;
  font-style: italic;
}

.inpaint-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inpaint-controls .btn {
  margin: 0;
}

.brush-controls {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #e2e8f0;
}

.canvas-container.selecting {
  cursor: crosshair;
}

.canvas-container.painting {
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><circle cx="10" cy="10" r="8" fill="none" stroke="red" stroke-width="2"/></svg>')
    10 10, crosshair;
}

#selectionCanvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 8px;
}

.selection-overlay {
  position: absolute;
  border: 2px dashed #667eea;
  background: rgba(102, 126, 234, 0.2);
  pointer-events: none;
}

.mask-overlay {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 8px;
  mix-blend-mode: multiply;
}

/* Admin Panel Styles */
.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 14px;
}

.form-control:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}