/* Cloud Generator Styles */
/* ===== LEGACY STYLES FOR EXISTING FUNCTIONALITY ===== */
/* Canvas container and styling */
.canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    background: #f8fafc;
    min-height: 400px;
}

canvas {
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background: white;
    max-width: 100%;
    height: auto;
}

/* File input styling - Legacy styles removed as they are now handled by tools.css */


/* Form labels */
label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    display: block;
}

/* Control groups */
.control-group {
    margin-bottom: 1.5rem;
}

/* Button disabled state */
button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Coordinate display */
.coordinate-display {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #374151;
}

/* ===== CLOUD GENERATOR SPECIFIC STYLES ===== */

/* Progress bar for cloud generation */
.progress-bar {
    width: 100%;
    height: 20px;
    background-color: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.3s ease;
}

/* Status indicators */
.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.status-waiting { 
    background-color: #6c757d; 
}

.status-running { 
    background-color: #ffc107; 
    animation: pulse 1.5s infinite; 
}

.status-completed { 
    background-color: #28a745; 
}

.status-error { 
    background-color: #dc3545; 
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* CSV preview styling */
.csv-preview {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    max-height: 200px;
    overflow-y: auto;
}

/* ===== REDESIGNED SECTIONS STYLES ===== */

/* Required CSV Format Section */
.format-requirements {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 2rem;
    color: white;
    margin-bottom: 2rem;
}

.format-header {
    text-align: center;
    margin-bottom: 2rem;
}

.format-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.format-header p {
    opacity: 0.9;
    font-size: 1rem;
}

.columns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.column-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.column-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.15);
}

.column-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.2rem;
}

.column-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.column-description {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.4;
}

.format-example {
    margin-bottom: 2rem;
}

.example-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.format-example-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.example-description {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

.code-preview-container {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-preview {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.code-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 500;
}

.file-info i {
    color: #10b981;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.copy-text {
    font-weight: 500;
}

.code-content {
    display: flex;
    background: rgba(0, 0, 0, 0.3);
}

.line-numbers {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem 0.75rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    user-select: none;
    min-width: 40px;
    text-align: right;
}

.line-numbers span {
    line-height: 1.5;
}

.code-text {
    flex: 1;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    overflow-x: auto;
}

.code-text pre {
    margin: 0;
    color: white;
}

.code-text code {
    background: none;
    padding: 0;
    color: inherit;
}

.csv-header {
    color: #fbbf24;
    font-weight: 600;
}

.csv-data {
    color: #a7f3d0;
}

.format-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.tip-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.tip-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.tip-text {
    font-size: 0.9rem;
    line-height: 1.5;
    flex: 1;
}

.download-link {
    color: #10b981;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
    margin: 0 0.25rem;
}

.download-link:hover {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.download-link i {
    font-size: 0.8rem;
}

/* File Information Section */
.file-info-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.file-info-card .card-header {
    background: transparent;
    border-bottom: 1px solid #e2e8f0;
    color: #1e293b;
}

.file-info-card .card-title h3,
.file-info-card .card-title p {
    color: inherit;
}

.file-info-content {
    padding: 2rem;
    background: white;
}

.info-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.info-section {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #e2e8f0;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.section-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 0.75rem;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #374151;
}

.chart-container {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid #e2e8f0;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.chart-canvas-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 400px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    margin-top: 1rem;
}

.chart-canvas-wrapper canvas {
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: white;
    max-width: calc(100% - 2rem);
    max-height: calc(100% - 2rem);
    height: auto;
}

.chart-fallback {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    min-height: 300px;
}

.fallback-content {
    text-align: center;
    color: #6b7280;
    padding: 2rem;
}

.fallback-content i {
    font-size: 3rem;
    color: #f59e0b;
    margin-bottom: 1rem;
    display: block;
}

.fallback-content p {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
}

.fallback-content small {
    font-size: 0.9rem;
    color: #6b7280;
}

.chart-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
    width: 100%;
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #374151;
}

.chart-actions {
    display: flex;
    gap: 0.5rem;
}

.chart-btn {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.chart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, #2563eb, #1e40af);
}

/* Generation Options Section */
.options-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.options-card .card-header {
    background: transparent;
    border-bottom: 1px solid #e2e8f0;
    color: #1e293b;
}

.options-card .card-title h3,
.options-card .card-title p {
    color: inherit;
}

.options-content {
    padding: 2rem;
    background: white;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.option-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.option-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.option-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.option-content {
    text-align: left;
}

.option-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.option-description {
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.option-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.benefit-tag {
    background: #ecfdf5;
    color: #065f46;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.benefit-tag i {
    font-size: 0.7rem;
}

.generation-action {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.btn-large span {
    position: relative;
    z-index: 2;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-large:hover .btn-shine {
    left: 100%;
}

.action-note {
    margin-top: 1rem;
    color: #6b7280;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Progress Section */
.progress-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.progress-card .card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    color: #374151;
}

.progress-card .card-title h3,
.progress-card .card-title p {
    color: #374151;
}

.gradient-icon.processing {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    animation: pulse 2s infinite;
}

.progress-content {
    padding: 2rem;
    background: white;
}

.progress-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.progress-bar {
    flex: 1;
    height: 12px;
    background: #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 6px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-glow {
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6));
    animation: glow 2s infinite;
}

@keyframes glow {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

.progress-percentage {
    font-weight: 600;
    color: #374151;
    min-width: 50px;
    text-align: right;
    font-size: 0.9rem;
}

.progress-text {
    text-align: center;
    color: #374151;
    font-weight: 500;
    margin-bottom: 2rem;
    font-size: 0.95rem;
    min-height: 1.5rem;
    padding: 0.5rem 0;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: #e5e7eb;
    z-index: 1;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    background: white;
    padding: 0 1rem;
    transition: all 0.3s ease;
}

.step-item.active .step-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    transform: scale(1.1);
}

.step-item.completed .step-icon {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.step-item.completed span {
    color: #10b981;
    font-weight: 600;
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    color: #6b7280;
}

.step-item span {
    font-size: 0.875rem;
    color: #6b7280;
    text-align: center;
    transition: color 0.3s ease;
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.step-item.active .step-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.step-item span {
    font-size: 0.8rem;
    color: #6b7280;
    font-weight: 500;
}

.step-item.active span {
    color: #374151;
    font-weight: 600;
}

/* Results Section */
.results-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.results-card .card-header {
    background: transparent;
    border-bottom: 1px solid #e2e8f0;
    color: #1e293b;
}

.results-card .card-title h3,
.results-card .card-title p {
    color: inherit;
}

.gradient-icon.success {
    background: linear-gradient(135deg, #10b981, #059669);
}

.results-content {
    padding: 2rem;
    background: white;
}

.results-summary {
    margin-bottom: 2rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.summary-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.summary-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.summary-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
    flex-shrink: 0;
}

.summary-info {
    display: flex;
    flex-direction: column;
}

.summary-label {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.summary-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: #374151;
}

.results-visualization {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    min-height: 200px;
}

/* Visualization Preview */
.visualization-preview {
    margin-bottom: 2rem;
}

.preview-title {
    color: #374151;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-title i {
    color: #10b981;
}

.result-image {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.preview-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Download Section */
.download-section {
    margin-top: 2rem;
}

.download-title {
    color: #374151;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.download-title i {
    color: #8b5cf6;
}

.download-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.download-btn {
    display: flex;
    align-items: center;
    padding: 1.25rem;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    text-decoration: none;
    color: #374151;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: #374151;
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.download-btn:hover::before {
    left: 100%;
}

.btn-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
    font-size: 1.2rem;
    color: white;
}

.csv-btn .btn-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.png-btn .btn-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.svg-btn .btn-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.btn-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.btn-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.btn-subtitle {
    font-size: 0.85rem;
    color: #6b7280;
}

.btn-arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    transition: all 0.3s ease;
}

.download-btn:hover .btn-arrow {
    background: #e5e7eb;
    transform: scale(1.1);
}

.csv-btn:hover {
    border-color: #10b981;
}

.png-btn:hover {
    border-color: #3b82f6;
}

.svg-btn:hover {
    border-color: #8b5cf6;
}

/* Download Section */
.download-card {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    border-radius: 16px;
    overflow: hidden;
}

.download-card .card-header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.download-card .card-title h3,
.download-card .card-title p {
    color: white;
}

.gradient-icon.download {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.download-content {
    padding: 2rem;
    background: white;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.download-info {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item i {
    margin-right: 0.5rem;
    color: #8b5cf6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .columns-grid,
    .options-grid,
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .info-sections {
        grid-template-columns: 1fr;
    }
    
    .format-tips {
        grid-template-columns: 1fr;
    }
    
    .progress-steps {
        flex-direction: column;
        gap: 1rem;
    }
    
    .progress-steps::before {
        display: none;
    }
}

/* Dropdown styles for reduce points option */
.form-select {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: white;
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    min-width: 140px;
}

.form-select:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-select option {
    background: #2d3748;
    color: white;
    padding: 8px;
}