Create app.css

app.css

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+/* Open GAMMA PPT Generator - UI Styles */
+
+/* Full width UI */
+.gradio-container {
+    background: rgba(255, 255, 255, 0.98);
+    padding: 40px 50px;
+    margin: 30px auto;
+    width: 100% !important;
+    max-width: 1400px !important;
+    border-radius: 20px;
+    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
+}
+
+/* Background */
+body {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    margin: 0;
+    padding: 0;
+    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
+}
+
+/* Title styling */
+h1 {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    background-clip: text;
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    font-weight: 700;
+    margin-bottom: 10px;
+}
+
+/* Button styles */
+button.primary {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
+    border: none;
+    color: white !important;
+    font-weight: 600;
+    padding: 15px 30px !important;
+    font-size: 18px !important;
+    transition: all 0.3s ease;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+}
+
+button.primary:hover {
+    transform: translateY(-3px);
+    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
+}
+
+/* Input styles */
+.textbox, textarea, input[type="text"], input[type="number"] {
+    border: 2px solid #e5e7eb;
+    border-radius: 12px;
+    padding: 15px;
+    font-size: 16px;
+    transition: all 0.3s ease;
+    background: white;
+}
+
+.textbox:focus, textarea:focus, input[type="text"]:focus {
+    border-color: #667eea;
+    outline: none;
+    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
+}
+
+/* Card style */
+.card {
+    background: white;
+    border-radius: 16px;
+    padding: 25px;
+    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
+    margin-bottom: 25px;
+    border: 1px solid rgba(102, 126, 234, 0.1);
+}
+
+/* Dropdown styles */
+.dropdown {
+    border: 2px solid #e5e7eb;
+    border-radius: 12px;
+    padding: 12px;
+    background: white;
+    transition: all 0.3s ease;
+}
+
+.dropdown:hover {
+    border-color: #667eea;
+}
+
+/* Slider styles */
+.gr-slider input[type="range"] {
+    background: linear-gradient(to right, #667eea 0%, #764ba2 100%);
+    height: 8px;
+    border-radius: 4px;
+}
+
+/* File upload area */
+.file-upload {
+    border: 3px dashed #667eea;
+    border-radius: 16px;
+    padding: 40px;
+    text-align: center;
+    transition: all 0.3s ease;
+    background: rgba(102, 126, 234, 0.02);
+}
+
+.file-upload:hover {
+    border-color: #764ba2;
+    background: rgba(102, 126, 234, 0.05);
+    transform: scale(1.01);
+}
+
+/* Checkbox styles */
+input[type="checkbox"] {
+    width: 20px;
+    height: 20px;
+    margin-right: 10px;
+    cursor: pointer;
+}
+
+/* Tab styles */
+.tabs {
+    border-radius: 12px;
+    overflow: hidden;
+    margin-bottom: 20px;
+}
+
+.tab-nav {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    padding: 5px;
+}
+
+.tab-nav button {
+    background: transparent;
+    color: white;
+    border: none;
+    padding: 10px 20px;
+    margin: 0 5px;
+    border-radius: 8px;
+    transition: all 0.3s ease;
+}
+
+.tab-nav button.selected {
+    background: white;
+    color: #667eea;
+}
+
+/* Section headers */
+.section-header {
+    font-size: 20px;
+    font-weight: 600;
+    color: #667eea;
+    margin: 20px 0 15px 0;
+    padding-bottom: 10px;
+    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
+}
+
+/* Status box styling */
+.status-box {
+    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
+    border-radius: 12px;
+    padding: 20px;
+}
+
+/* Preview box styling */
+.preview-box {
+    background: #f8f9fa;
+    border-radius: 12px;
+    padding: 20px;
+    font-family: 'Courier New', monospace;
+    font-size: 13px;
+    line-height: 1.5;
+    max-height: 500px;
+    overflow-y: auto;
+}
+
+/* Responsive design */
+@media (max-width: 768px) {
+    .main-container {
+        padding: 15px;
+        margin: 10px;
+    }
+    
+    .header-section h1 {
+        font-size: 2em;
+    }
+    
+    .gr-tab-item {
+        padding: 10px 15px;
+        font-size: 1em;
+    }
+}
+
+/* Additional animations and effects */
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+.gradio-container > * {
+    animation: fadeIn 0.5s ease-out;
+}
+
+/* Loading spinner improvement */
+.wrap.svelte-1sk0pyu {
+    background: rgba(255, 255, 255, 0.9) !important;
+}
+
+/* Tooltip styles */
+.tooltip {
+    position: relative;
+    display: inline-block;
+}
+
+.tooltip .tooltiptext {
+    visibility: hidden;
+    width: 200px;
+    background-color: #555;
+    color: #fff;
+    text-align: center;
+    border-radius: 6px;
+    padding: 5px;
+    position: absolute;
+    z-index: 1;
+    bottom: 125%;
+    left: 50%;
+    margin-left: -100px;
+    opacity: 0;
+    transition: opacity 0.3s;
+}
+
+.tooltip:hover .tooltiptext {
+    visibility: visible;
+    opacity: 1;
+}
+
+/* Progress bar styling */
+.progress {
+    background: linear-gradient(to right, #667eea 0%, #764ba2 100%);
+    height: 4px;
+    border-radius: 2px;
+}
+
+/* Custom scrollbar */
+::-webkit-scrollbar {
+    width: 10px;
+}
+
+::-webkit-scrollbar-track {
+    background: #f1f1f1;
+    border-radius: 5px;
+}
+
+::-webkit-scrollbar-thumb {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    border-radius: 5px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+    background: #667eea;
+}