* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: url('img/shakalizatordesctop3.jpg');
    background-size: contain;
    background-position: center bottom;
    background-repeat: no-repeat;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    /* padding-bottom: 60px; */
    background-color: #A4CFEC;
}

@media (max-aspect-ratio: 1154/1724) {
    body {
        background-size: auto 100%;
    }
}

.header-image {
    max-width: 300px;
    width: 100%;
    height: auto;
}
.main-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 3em;
    color: white;
    text-shadow:
        3px 3px 0px #333,
        -1px -1px 0px #333,
        1px -1px 0px #333,
        -1px 1px 0px #333,
        1px 1px 0px #333;
    text-align: center;
    letter-spacing: 2px;
    display: none;
}

.main-container {
    display: flex;
    gap: 30px;
    max-width: 1200px;
    width: 100%;
    flex: 1;
    align-items: flex-start;
    justify-content: center;
}

.main-container.two-panels {
    justify-content: flex-start;
}

.panel {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    flex: 1;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.left-panel {
    max-width: 520px;
    min-width: 320px;
    width: 100%;
}

.right-panel {
    max-width: 520px;
    min-width: 320px;
    width: 100%;
}

.drop-zone {
    border: 2px solid #999;
    border-radius: 10px;
    padding: 100px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f5f5f5;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drop-zone.dragover {
    background: #e8ebff;
    border-color: #667eea;
}

.drop-zone p {
    color: #333;
    font-size: 1.1em;
}

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

.control-group label {
    display: block;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
    font-size: 0.95em;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.mode-btn {
    flex: 1;
    padding: 10px;
    background: #e0e0e0;
    border: 2px solid #999;
    color: #333;
    font-size: 0.9em;
}

.mode-btn.active {
    background: #6ba3d4;
    border-color: #5a8fc0;
    color: white;
}

.mode-btn:hover {
    transform: none;
    box-shadow: none;
}

.secondary-btn {
    width: 100%;
    margin-top: 10px;
    padding: 10px;
    background: #e0e0e0;
    border: 2px solid #999;
    color: #333;
    font-size: 0.9em;
}

.secondary-btn:hover {
    background: #d0d0d0;
}

input[type="range"] {
    width: 100%;
    height: 10px;
    border-radius: 5px;
    background: linear-gradient(to right, #6ba3d4 0%, #999 100%);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 0;
    background: #999;
    cursor: pointer;
    border: 2px solid #666;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 0;
    background: #999;
    cursor: pointer;
    border: 2px solid #666;
}


canvas {
    border: 2px solid #999;
    border-radius: 5px;
    max-width: 100%;
    width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    display: none;
    cursor: crosshair;
}

.buttons {
    display: flex;
    gap: 10px;
    flex-direction: column;
    margin-top: 20px;
}

button {
    background: #6ba3d4;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    font-size: 0.95em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

button:hover {
    background: #5a8fc0;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

button:active {
    transform: translateY(0);
}

footer {
    margin-top: 30px;
    text-align: center;
    color: #333;
}

footer a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.hidden {
    display: none;
}

input[type="file"] {
    display: none;
}

@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
        align-items: center;
    }

    .main-container.two-panels {
        align-items: center;
    }

    .panel {
        max-width: 100%;
        min-width: 280px;
    }

    .left-panel {
        max-width: 600px;
        /* max-height: 300px; */
    }

    .right-panel {
        max-width: 600px;
    }

    .main-title {
        font-size: 2em;
    }

    body {
        background-size: cover;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.5em;
    }

    .panel {
        padding: 20px;
        min-width: 0;
    }

    .drop-zone {
        padding: 60px 20px;
    }
}