/* style.css */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.main-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    padding: 2rem;
    width: 100%;
    max-width: 500px;
    transition: transform 0.3s ease;
}

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

.form-control-lg {
    border-radius: 10px;
    border: 2px solid #e0e0e0;
}

.form-control-lg:focus {
    box-shadow: none;
    border-color: #764ba2;
}

.btn-primary {
    background: linear-gradient(to right, #667eea, #764ba2);
    border: none;
    border-radius: 10px;
    padding: 12px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(to right, #764ba2, #667eea);
    transform: scale(1.02);
}

.result-box {
    background: #f8f9fa;
    border: 1px dashed #ced4da;
    border-radius: 10px;
    padding: 15px;
    margin-top: 20px;
    text-align: center;
}

.short-link {
    font-size: 1.2rem;
    font-weight: bold;
    color: #764ba2;
    word-break: break-all;
}

.copy-btn {
    margin-top: 10px;
    font-size: 0.9rem;
}