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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(135deg, #ff0080 0%, #ff8c00 50%, #40e0d0 100%);
    background-clip: text;
    -webkit-background-clip: text;
}

h1 {
    font-size: 3em;
    font-weight: 700;
    color: transparent;
    background: linear-gradient(135deg, #ff0080 0%, #ff8c00 50%, #40e0d0 100%);
    background-clip: text;
    -webkit-background-clip: text;
    margin-bottom: 10px;
    text-shadow: 0 0 30px rgba(255, 0, 128, 0.5);
}

.subtitle {
    font-size: 1.2em;
    color: #999;
    margin-bottom: 20px;
}

.language-selector {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.lang-btn {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.lang-btn.active {
    background: linear-gradient(135deg, #ff0080, #40e0d0);
    border-color: transparent;
}

main {
    padding: 40px 0;
}

.upload-section {
    max-width: 600px;
    margin: 0 auto 40px;
}

.upload-label {
    display: block;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.upload-label:hover {
    border-color: #ff0080;
    background: rgba(255, 0, 128, 0.05);
}

.upload-label.dragover {
    border-color: #40e0d0;
    background: rgba(64, 224, 208, 0.1);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.upload-icon {
    width: 60px;
    height: 60px;
    color: #ff0080;
}

.upload-hint {
    font-size: 0.9em;
    color: #666;
}

.workspace {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.canvas-container {
    flex: 1;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 50px rgba(255, 0, 128, 0.3);
}

#canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

.controls {
    width: 350px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 30px;
    backdrop-filter: blur(10px);
}

.controls h2 {
    margin-bottom: 25px;
    font-size: 1.5em;
    background: linear-gradient(135deg, #ff0080, #40e0d0);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.effect-group {
    margin-bottom: 25px;
}

.effect-label {
    display: block;
}

.effect-label span {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #ccc;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff0080, #40e0d0);
    cursor: pointer;
    transition: all 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 0, 128, 0.5);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff0080, #40e0d0);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.value-display {
    float: right;
    font-size: 12px;
    color: #ff0080;
    font-weight: 500;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

.btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, #ff0080, #40e0d0);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 0, 128, 0.4);
}

footer {
    text-align: center;
    padding: 40px 0;
    color: #666;
    font-size: 14px;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }
    
    .workspace {
        flex-direction: column;
    }
    
    .controls {
        width: 100%;
    }
    
    .language-selector {
        flex-wrap: wrap;
    }
}