:root {
    --sage-green: #ABC4AA;
    --warm-brown: #675D50;
    --cream: #F3DEBA;
    --off-white: #FEFEFE;
    --dark-text: #2D2D2D;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Ubuntu Mono', monospace;
}

body {
    background: var(--cream);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--dark-text);
    padding: 20px;
}
footer {
    margin: auto;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    max-width: 600px;
}

.title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--warm-brown);
    margin-bottom: 10px;
}

.description {
    font-size: 1rem;
    color: var(--warm-brown);
    opacity: 0.8;
    line-height: 1.4;
}

.main-window {
    background: var(--sage-green);
    border: 4px solid var(--warm-brown);
    border-radius: 8px;
    box-shadow: 8px 8px 0 var(--warm-brown);
    padding: 0;
    width: 640px;
    height: 340px;
    position: relative;
    display: flex;
}

.canvas-section {
    position: relative;
    width: 320px;
    height: 100%;
    padding: 15px;
}

#canvas {
    background: var(--off-white);
    border: 3px solid var(--warm-brown);
    border-radius: 4px;
    cursor: crosshair;
    touch-action: none;
    width: 290px;
    height: 290px;
}

.clear-button {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: var(--warm-brown);
    color: var(--cream);
    border: 2px solid var(--warm-brown);
    border-radius: 4px;
    padding: 8px 16px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-button:hover {
    background: var(--cream);
    color: var(--warm-brown);
}

.results-section {
    width: 320px;
    height: 100%;
    background: var(--cream);
    border-left: 3px solid var(--warm-brown);
    position: relative;
    display: flex;
    flex-direction: column;
}

.prediction-display {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 3px solid var(--warm-brown);
}

.result-char {
    font-size: 8rem;
    font-weight: 700;
    color: var(--warm-brown);
    text-shadow: 2px 2px 0 var(--sage-green);
}

.predictions-list {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
}

.predictions-header {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--warm-brown);
    margin-bottom: 10px;
    text-align: center;
}

.prediction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    margin: 3px 0;
    background: var(--off-white);
    border: 2px solid var(--warm-brown);
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 700;
}

.prediction-char {
    color: var(--warm-brown);
    font-size: 1.2rem;
}

.prediction-confidence {
    color: var(--warm-brown);
    opacity: 0.8;
}

.status-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--warm-brown);
    color: var(--cream);
    padding: 8px 15px;
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
}

.loading {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.empty-state {
    opacity: 0.5;
    font-style: italic;
}

.brush-control {
    margin-top: 20px;
    text-align: center;
}

.brush-label {
    font-size: 1rem;
    color: var(--warm-brown);
    margin-bottom: 5px;
    font-weight: 700;
}

.brush-slider {
    width: 300px;
    height: 6px;
    background: var(--sage-green);
    border: 2px solid var(--warm-brown);
    border-radius: 3px;
    outline: none;
    appearance: none;
}

.brush-slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--warm-brown);
    border: 2px solid var(--cream);
    border-radius: 50%;
    cursor: pointer;
}

.brush-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--warm-brown);
    border: 2px solid var(--cream);
    border-radius: 50%;
    cursor: pointer;
}

@media (max-width: 768px) {
    .main-window {
        width: 95vw;
        max-width: 640px;
        height: auto;
        flex-direction: column;
    }
    
    .canvas-section, .results-section {
        width: 100%;
        height: auto;
    }
    
    .canvas-section {
        height: 320px;
    }
    
    .results-section {
        border-left: none;
        border-top: 3px solid var(--warm-brown);
        min-height: 200px;
    }
    
    #canvas {
        width: calc(100% - 30px);
        height: 250px;
    }
    
    .clear-button {
        position: static;
        margin-top: 10px;
    }
    
    .result-char {
        font-size: 4rem;
    }
    
}