/* Collage Maker Pro - Professional Styles */
.cmp-container {
    max-width: 1200px;
    margin: 8px auto;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #000;
    
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.cmp-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    
}

.cmp-header h2 {
    color: #fff;
    margin: 0;
    font-size: 3.0rem;
    font-weight: 800;
    
}

.cmp-controls-panel {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    color: white;
}

.cmp-control-group {
    margin-bottom: 20px;
}

.cmp-control-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: white;
    font-size: 14px;
}

.cmp-select, .cmp-input, .cmp-color-input {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.95);
    font-size: 14px;
    transition: all 0.3s ease;
}

.cmp-select:focus, .cmp-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.3);
}

.cmp-color-input {
    height: 45px;
    cursor: pointer;
    padding: 5px;
}

.cmp-layout-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.cmp-layout-option {
    background: rgba(255,255,255,0.95);
    border: 3px solid transparent;
    border-radius: 10px;
    padding: 15px 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #333;
}

.cmp-layout-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.cmp-layout-option.active {
    border-color: #ff6b6b;
    background: #fff;
    transform: translateY(-2px);
}

.cmp-layout-preview {
    width: 80px;
    height: 60px;
    margin: 0 auto 8px;
    display: grid;
    gap: 2px;
    border-radius: 4px;
    overflow: hidden;
}

.cmp-layout-2 { grid-template-columns: 1fr 1fr; }
.cmp-layout-3 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.cmp-layout-4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.cmp-layout-5 { grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; }
.cmp-layout-6 { grid-template-columns: 1fr 2fr; grid-template-rows: 1fr 1fr; }

.cmp-preview-box {
    background: #667eea;
    border-radius: 2px;
}

.cmp-workspace {
  background: #7257b3;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  border: 1px solid #e9ecef;
}


.cmp-canvas-container {
  border: 3px dashed #131e28;
  border-radius: 10px;
  background: #000;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: inset 1px 1px 11px 6px rgba(255, 255, 255, 0.5);
}


.cmp-canvas-container.has-images {
    border: 3px solid #28a745;
    background: #f8fff9;
}

.cmp-canvas {
    max-width: 100%;
    max-height: 600px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-radius: 8px;
}

.cmp-upload-area {
    text-align: center;
    padding: 60px 40px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cmp-upload-area:hover {
    background: #f8f9fa;
}

.cmp-upload-icon {
    font-size: 64px;
    color: #6c757d;
    margin-bottom: 15px;
    opacity: 0.7;
}

.cmp-upload-text {
    font-size: 18px;
    color: #495057;
    margin-bottom: 10px;
}

.cmp-upload-subtext {
    font-size: 14px;
    color: #6c757d;
}

.cmp-image-preview {
    position: relative;
    display: inline-block;
    margin: 5px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.cmp-image-preview img {
    max-width: 150px;
    max-height: 150px;
    display: block;
}

.cmp-remove-image {
    position: absolute;
    top: 5px;
    right: 5px;
    background: #ff6b6b;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cmp-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
    flex-wrap: wrap;
}

.cmp-btn {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 160px;
    justify-content: center;
}

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

.cmp-btn-primary {
  background: linear-gradient(135deg, #ffcd0b 0%, #17ea55 100%);
  color: white;
}

.cmp-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.cmp-btn-success {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    color: white;
}

.cmp-btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
}

.cmp-btn-secondary {
  background: #fb043e;
  color: white;
}

.cmp-btn-secondary:hover:not(:disabled) {
    background: #545b62;
    transform: translateY(-2px);
}

.cmp-loading {
    display: none;
    text-align: center;
    padding: 40px;
    background: rgba(255,255,255,0.95);
    border-radius: 10px;
    margin: 20px 0;
}

.cmp-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: cmp-spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.cmp-alert {
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    display: none;
    border-left: 5px solid transparent;
}

.cmp-alert-success {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.cmp-alert-error {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.cmp-preview-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

.cmp-progress {
    width: 100%;
    height: 6px;
    background: #e9ecef;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 10px;
    display: none;
}

.cmp-progress-bar {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 0%;
    transition: width 0.3s ease;
}

/* ===========================
   Responsive Design Additions
   For Mobile, Small Screens & Tablets
   =========================== */

/* Tablets (up to 1024px width) */
@media (max-width: 1024px) {
  .cmp-container {
    padding: 15px;
    margin: 10px;
  }

  .cmp-header h2 {
    font-size: 2.4rem;
  }

  .cmp-controls-panel,
  .cmp-workspace {
    padding: 20px;
  }

  .cmp-actions {
    flex-direction: column;
    gap: 10px;
  }

  .cmp-btn {
    width: 100%;
    font-size: 15px;
    padding: 12px;
  }

  .cmp-layout-options {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

 .cmp-canvas-container {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
  .cmp-canvas, .fabric-canvas, canvas.upper-canvas, canvas.lower-canvas {
  max-width: 85% !important;
  height: auto !important;
  display: block;
}
.cmp-canvas-container { overflow: hidden; } /* prevents visual overflow during resize */

}

/* Mobile Screens (up to 768px width) */
@media (max-width: 768px) {
  .cmp-container {
    padding: 12px;
    border-radius: 8px;
  }

  .cmp-header h2 {
    font-size: 2rem;
    line-height: 1.3;
  }

  .cmp-controls-panel {
    padding: 15px;
    margin-bottom: 20px;
  }

  .cmp-control-group label {
    font-size: 13px;
  }

  .cmp-select, .cmp-input, .cmp-color-input {
    font-size: 13px;
    padding: 10px 12px;
  }

  .cmp-layout-options {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .cmp-layout-option {
    padding: 10px;
    font-size: 13px;
  }

  .cmp-canvas-container {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
  
  .cmp-canvas, .fabric-canvas, canvas.upper-canvas, canvas.lower-canvas {
  max-width: 85% !important;
  height: auto !important;
  display: block;
}
.cmp-canvas-container { overflow: hidden; } /* prevents visual overflow during resize */


  .cmp-upload-area {
    padding: 40px 20px;
  }

  .cmp-upload-icon {
    font-size: 48px;
  }

  .cmp-upload-text {
    font-size: 16px;
  }

  .cmp-upload-subtext {
    font-size: 13px;
  }

  .cmp-image-preview img {
    max-width: 100px;
    max-height: 100px;
  }

  .cmp-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cmp-btn {
    width: 100%;
    font-size: 14px;
    padding: 10px;
  }
}

/* Extra Small Screens (up to 480px width) */
@media (max-width: 480px) {
  .cmp-container {
    padding: 10px;
  }

  .cmp-header h2 {
    font-size: 1.6rem;
  }

  .cmp-controls-panel,
  .cmp-workspace {
    padding: 12px;
  }

  .cmp-layout-options {
    grid-template-columns: 1fr;
  }

  .cmp-layout-option {
    font-size: 12px;
    padding: 8px;
  }

  .cmp-canvas-container {
    min-height: 300px;
  }

  .cmp-upload-area {
    padding: 30px 15px;
  }

  .cmp-upload-icon {
    font-size: 40px;
  }

  .cmp-upload-text {
    font-size: 14px;
  }

  .cmp-upload-subtext {
    font-size: 12px;
  }

  .cmp-actions {
    gap: 8px;
  }

  .cmp-btn {
    font-size: 13px;
    padding: 8px;
  }

  .cmp-preview-images {
    flex-direction: column;
    align-items: center;
  }

  .cmp-image-preview img {
    max-width: 90px;
    max-height: 90px;
  }
}