body {
    font-family: 'Inter', Arial, sans-serif;
    background-color: #f7f7f7;
    color: #333;
    margin: 0;
    padding: 0;
}

header,
footer {
    text-align: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(90deg, #4a90e2, #50e3c2);
    color: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

main {
    padding: 2rem 1rem;
    max-width: 900px;
    margin: auto;
}

.upload-container {
    border: 2px dashed #ccc;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    background-color: #fff;
    transition: all 0.2s ease;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.upload-container:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #4a90e2;
}

#platform-buttons {
    display: flex;
    gap: 0.7rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.platform-btn {
    padding: 0.6rem 1.2rem;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #fff;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

/* Type-based colors */
.platform-btn.email {
    background-color: #FFA94D;
}

.platform-btn.social {
    background-color: #4A90E2;
}

.platform-btn.website {
    background-color: #50E3C2;
}

.platform-btn.messaging {
    background-color: #1ABC9C;
}

.platform-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.platform-btn.active {
    filter: brightness(1.2);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

#privacy-blurb {
    text-align: center;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 1.5rem;
}

#resize-btn {
    display: block;
    margin: 1rem auto;
    padding: 0.8rem 2.5rem;
    border: none;
    background-color: #4a90e2;
    color: #fff;
    cursor: pointer;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
    transition: all 0.2s ease;
}

#resize-btn:hover {
    background-color: #50e3c2;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

#output {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

footer p {
    margin: 0;
    font-size: 0.85rem;
}