* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    text-align: center;
}

.header-content h1 {
    font-size: 2.5rem;
    color: #4a5568;
    margin-bottom: 10px;
    font-weight: 700;
}

.header-content h1 i {
    color: #667eea;
    margin-right: 15px;
}

.header-content p {
    font-size: 1.1rem;
    color: #718096;
    font-weight: 400;
}

.main-content {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.type-selector {
    margin-bottom: 40px;
}

.type-selector h2 {
    font-size: 1.5rem;
    color: #4a5568;
    margin-bottom: 20px;
    text-align: center;
}

.type-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.type-btn {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 200px;
    font-size: 1rem;
    font-weight: 600;
    color: #4a5568;
}

.type-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.type-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.type-btn i {
    font-size: 2rem;
}

.report-form {
    display: none;
}

.report-form.active {
    display: block;
}

.report-form h3 {
    font-size: 1.8rem;
    color: #4a5568;
    margin-bottom: 30px;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 2px solid #e2e8f0;
}

.report-form h3 i {
    color: #667eea;
    margin-right: 10px;
}

.form-group {
    margin-bottom: 30px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 10px;
}

.form-group label i {
    color: #667eea;
    margin-right: 8px;
    width: 20px;
}

.form-group textarea {
    width: 100%;
    min-height: 120px;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s ease;
    background: #f7fafc;
}

.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
}

.improve-btn {
    position: absolute;
    top: 35px;
    right: 10px;
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.improve-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.3);
}

.improve-btn:active {
    transform: translateY(0);
}

.actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
    flex-wrap: wrap;
}

.generate-btn, .clear-btn {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.generate-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.clear-btn {
    background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
    color: white;
}

.clear-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 101, 101, 0.3);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: #a0aec0;
    transition: color 0.3s ease;
}

.close:hover {
    color: #4a5568;
}

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

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

.modal-content h3 {
    color: #4a5568;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.modal-content h3 i {
    color: #667eea;
    margin-right: 10px;
}

.modal-content .form-group {
    margin-bottom: 20px;
}

.modal-content input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.modal-content input:focus {
    outline: none;
    border-color: #667eea;
}

.modal-content small {
    color: #718096;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

.modal-content small a {
    color: #667eea;
    text-decoration: none;
}

.modal-content small a:hover {
    text-decoration: underline;
}

.save-btn {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
}

.save-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header-content h1 {
        font-size: 2rem;
    }
    
    .type-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .type-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .actions {
        flex-direction: column;
        align-items: center;
    }
    
    .generate-btn, .clear-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .improve-btn {
        position: static;
        margin-top: 10px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 20px;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .header-content h1 {
        font-size: 1.8rem;
    }
    
    .modal-content {
        margin: 5% auto;
        padding: 20px;
    }
}