body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    max-width: 900px;
    width: 92%;
    margin: 2rem auto;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

h1 {
    text-align: center;
    color: #1a237e;
    margin-bottom: 2.5rem;
    font-size: 2.8rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.5px;
}

h1 i {
    color: #2196F3;
    margin-right: 10px;
    animation: spin 20s linear infinite;
}

.upload-container {
    margin: 2.5rem 0;
    text-align: center;
    padding: 3rem;
    border: 2px dashed #bbdefb;
    border-radius: 15px;
    transition: all 0.4s ease;
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
    position: relative;
}

.upload-container:hover {
    border-color: #2196F3;
    background: linear-gradient(145deg, #f5f5f5, #ffffff);
    transform: translateY(-2px);
}

.upload-container.drag-over {
    border-color: #2196F3;
    background: rgba(33, 150, 243, 0.05);
    transform: translateY(-2px);
}

.upload-icon {
    font-size: 4rem;
    color: #2196F3;
    margin-bottom: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

input[type="file"] {
    display: none;
}

label {
    background: linear-gradient(45deg, #2196F3, #1976D2);
    color: white;
    padding: 14px 28px;
    border-radius: 30px;
    cursor: pointer;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

label:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(33, 150, 243, 0.4);
    background: linear-gradient(45deg, #1976D2, #2196F3);
}

button {
    background: linear-gradient(45deg, #4CAF50, #43A047);
    color: white;
    padding: 14px 28px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    width: 100%;
    max-width: 320px;
    margin: 1.5rem auto;
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.4);
    background: linear-gradient(45deg, #43A047, #4CAF50);
}

.result-container {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.result-container img {
    max-width: 100%;
    max-height: 450px;
    margin: 1.5rem 0;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.result-container img:hover {
    transform: scale(1.02);
}

.category {
    color: #1565C0;
    font-weight: bold;
    font-size: 1.3rem;
    background: linear-gradient(120deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 10px 24px;
    border-radius: 25px;
    display: inline-block;
    margin: 0.8rem 0;
    box-shadow: 0 3px 10px rgba(33, 150, 243, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.back-button {
    display: inline-block;
    text-align: center;
    margin-top: 2rem;
    color: #2196F3;
    text-decoration: none;
    font-weight: 600;
    padding: 12px 24px;
    border: 2px solid #2196F3;
    border-radius: 30px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: transparent;
}

.back-button:hover {
    background: linear-gradient(45deg, #2196F3, #1976D2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.3);
    border-color: transparent;
}

.error-message {
    color: #d32f2f;
    background: linear-gradient(120deg, #ffebee 0%, #ffcdd2 100%);
    padding: 1.2rem;
    border-radius: 12px;
    margin: 1.2rem 0;
    text-align: center;
    box-shadow: 0 3px 10px rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.2);
}

#file-name {
    margin-top: 1.2rem;
    padding: 8px 16px;
    border-radius: 15px;
    display: inline-block;
    transition: all 0.3s ease;
}

#file-name.file-selected {
    background: rgba(33, 150, 243, 0.1);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.1);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Add responsive design */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .upload-container {
        padding: 2rem 1rem;
    }
    
    label, button {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
} 

.drag-text {
    color: #666;
    margin: 1rem 0;
    font-size: 1rem;
}

.file-selected {
    color: #2196F3 !important;
    font-weight: 600 !important;
}

/* Add this animation for drag over effect */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}

.drag-over {
    animation: pulse 1.5s infinite;
    border-color: #2196F3 !important;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(245, 245, 245, 0.95)) !important;
}

.drag-over .upload-icon {
    color: #2196F3;
    transform: scale(1.1);
}

.drag-over .drag-text {
    color: #2196F3;
    font-weight: 500;
}

/* Improve mobile responsiveness for drag and drop */
@media (max-width: 768px) {
    .drag-text {
        font-size: 0.9rem;
    }
    
    .upload-container {
        padding: 2rem 1rem;
    }
    
    #file-name {
        font-size: 0.85rem;
    }
}