body {
    /*background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);*/
    min-height: 100vh;
    /*padding: 20px;*/
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.card {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: none;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.95);
}
.card-header {
    background: linear-gradient(90deg, #4b6cb7, #182848);
    color: white;
    font-weight: 600;
    font-size: 1.5rem;
    padding: 20px 25px;
}
.input-group-text {
    background: linear-gradient(90deg, #3494e6, #ec6ead);
    color: white;
    border: none;
}
.btn-primary {
    background: linear-gradient(90deg, #3494e6, #ec6ead);
    border: none;
    padding: 10px 20px;
    transition: all 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}
.btn-outline-secondary {
    border-color: #3494e6;
    color: #3494e6;
}
.btn-outline-secondary:hover {
    background: #3494e6;
    color: white;
}
.form-control, .form-select {
    border: 2px solid #e9ecef;
    transition: border-color 0.3s;
}
.form-control:focus, .form-select:focus {
    border-color: #3494e6;
    box-shadow: 0 0 0 0.25rem rgba(52, 148, 230, 0.25);
}
textarea {
    min-height: 150px;
    resize: vertical;
    font-family: monospace;
}
.result-container {
    position: relative;
}
.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
}
.example-text {
    cursor: pointer;
    transition: all 0.2s;
    padding: 8px 12px;
    border-radius: 8px;
    margin: 5px 0;
}
.example-text:hover {
    background-color: #e9f7fe;
    transform: translateX(5px);
}
.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3494e6, #ec6ead);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}
.stat-card {
    background: white;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
}
footer {
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-top: 30px;
    font-size: 0.9rem;
}
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    margin: 25px 0;
}