GitHub Migration

styles.css

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+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body {
+    font-family: 'Arial', sans-serif;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    min-height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 20px;
+}
+
+.container {
+    width: 100%;
+    max-width: 600px;
+    text-align: center;
+}
+
+h1 {
+    color: white;
+    margin-bottom: 30px;
+    font-size: 2.5rem;
+    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
+}
+
+.flashcard-container {
+    perspective: 1000px;
+    margin-bottom: 30px;
+}
+
+.flashcard {
+    width: 100%;
+    height: 400px;
+    position: relative;
+    transform-style: preserve-3d;
+    transition: transform 0.6s ease;
+    cursor: pointer;
+}
+
+.flashcard.flipped {
+    transform: rotateY(180deg);
+}
+
+.card-front, .card-back {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    backface-visibility: hidden;
+    border-radius: 15px;
+    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    padding: 40px;
+}
+
+.card-front {
+    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
+    color: #333;
+}
+
+.card-back {
+    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
+    color: #333;
+    transform: rotateY(180deg);
+}
+
+.card-front h2 {
+    font-size: 2.5rem;
+    font-weight: bold;
+    text-align: center;
+    line-height: 1.2;
+}
+
+.info-section {
+    margin-bottom: 30px;
+    text-align: left;
+    width: 100%;
+}
+
+.info-section:last-child {
+    margin-bottom: 0;
+}
+
+.info-section h3 {
+    color: #495057;
+    font-size: 1.3rem;
+    margin-bottom: 10px;
+    border-bottom: 2px solid #007bff;
+    padding-bottom: 5px;
+}
+
+.info-section p {
+    font-size: 1.1rem;
+    line-height: 1.5;
+    color: #666;
+}
+
+.controls {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 20px;
+}
+
+button {
+    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
+    color: white;
+    border: none;
+    padding: 12px 24px;
+    border-radius: 25px;
+    font-size: 1rem;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    box-shadow: 0 4px 15px rgba(0,123,255,0.3);
+}
+
+button:hover:not(:disabled) {
+    transform: translateY(-2px);
+    box-shadow: 0 6px 20px rgba(0,123,255,0.4);
+}
+
+button:disabled {
+    background: #6c757d;
+    cursor: not-allowed;
+    transform: none;
+    box-shadow: none;
+}
+
+#card-counter {
+    color: white;
+    font-size: 1.1rem;
+    font-weight: bold;
+    background: rgba(255,255,255,0.2);
+    padding: 10px 20px;
+    border-radius: 20px;
+    backdrop-filter: blur(10px);
+}
+
+.progress-bar {
+    width: 100%;
+    height: 8px;
+    background: rgba(255,255,255,0.3);
+    border-radius: 10px;
+    overflow: hidden;
+}
+
+.progress-fill {
+    height: 100%;
+    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
+    width: 0%;
+    transition: width 0.3s ease;
+    border-radius: 10px;
+}
+
+@media (max-width: 768px) {
+    h1 {
+        font-size: 2rem;
+    }
+    
+    .flashcard {
+        height: 350px;
+    }
+    
+    .card-front h2 {
+        font-size: 2rem;
+    }
+    
+    .info-section h3 {
+        font-size: 1.1rem;
+    }
+    
+    .info-section p {
+        font-size: 1rem;
+    }
+    
+    .controls {
+        flex-direction: column;
+        gap: 15px;
+    }
+    
+    button {
+        width: 100%;
+        max-width: 200px;
+    }
+}