body {
    background: linear-gradient(135deg, #667eea, #764ba2);
    font-family: 'Segoe UI', sans-serif;
}

.tool-wrapper {
    padding: 60px 20px;
}

.tool-card {
    max-width: 500px;
    margin: auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    text-align: center;
    animation: fadeIn 0.6s ease-in-out;
}

.tool-card h1 {
    margin-bottom: 10px;
    font-size: 28px;
}

.subtitle {
    color: #666;
    margin-bottom: 25px;
}

.upload-box input {
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

#compressBtn {
    width: 100%;
    padding: 12px;
    background: #667eea;
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

#compressBtn:hover {
    background: #5a67d8;
    transform: translateY(-2px);
}

.download-btn {
    display: block;
    margin-top: 15px;
    padding: 12px;
    background: #28a745;
    color: white;
    border-radius: 8px;
    text-decoration: none;
}

.trust-section {
    margin-top: 30px;
    text-align: center;
    color: white;
    font-size: 14px;
}

.trust-section div {
    margin: 5px 0;
}

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