.lithoview-wrapper {
    max-width: 760px;
    margin: 2rem auto;
    padding: 1.5rem;
    border-radius: 18px;
    background: linear-gradient(180deg, #f7f3ee 0%, #f0e7df 100%);
    box-shadow: 0 18px 48px rgba(44, 30, 18, 0.12);
    font-family: Arial, Helvetica, sans-serif;
    color: #2f241d;
}

.lithoview-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.lithoview-upload {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.2rem;
    border-radius: 999px;
    border: 1px solid rgba(85, 62, 38, 0.25);
    background: #f7f1ea;
    color: #2f241d;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.lithoview-upload:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(44, 30, 18, 0.12);
}

.lithoview-upload input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.lithoview-settings {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.lithoview-settings label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.92rem;
    font-weight: 600;
}

.lithoview-settings input[type="range"] {
    width: 170px;
    accent-color: #8b674b;
}

.lithoview-stage {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,0.2), rgba(120,90,68,0.06));
}

.lithoview-plate {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

.lithoview-plate canvas {
    display: block;
    width: 100%;
    max-width: 620px;
    height: auto;
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(58, 41, 28, 0.12);
    background: #f5f2ee;
}

.lithoview-hint {
    margin: 1rem 0 0;
    text-align: center;
    color: rgba(47, 36, 29, 0.75);
    font-size: 0.95rem;
}

@media (max-width: 640px) {
    .lithoview-wrapper {
        padding: 1rem;
    }

    .lithoview-controls {
        display: block;
    }

    .lithoview-settings {
        margin-top: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .lithoview-settings label {
        width: 100%;
        justify-content: space-between;
    }
}