:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #2c3e50;
    --light-gray: #f8f9fa;
    --border-color: #dee2e6;
}

body {
    background-color: var(--light-gray);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
}

.container {
    max-width: 1200px;
}

/* Logo Styles */
.logo {
    max-width: 120px;
    height: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Header Styles */
h1 {
    color: var(--primary-color);
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.lead {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

/* Card Styles */
.card {
    border: none;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background-color: white;
    border-bottom: 2px solid var(--border-color);
}

/* Form Styles */
.form-control, .form-select {
    border: 2px solid var(--border-color);
    padding: 0.75rem;
    transition: border-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: none;
}

/* Button Styles */
.btn-primary {
    background-color: var(--accent-color);
    border: none;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-outline-secondary {
    border: 2px solid var(--border-color);
    color: var(--secondary-color);
}

.btn-outline-secondary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

/* Result Area Styles */
#result {
    background-color: white !important;
    border: 2px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

#generatedText {
    line-height: 1.8;
    color: var(--text-color);
}

/* Feature Items */
.feature-item {
    text-align: center;
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Sample Text Styles */
.sample-text {
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.8;
}

.sample-text p {
    margin-bottom: 1.5rem;
}

/* Footer Styles */
footer {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.smaller {
    font-size: 0.8rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .feature-item {
        margin-bottom: 2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}