#jkstarr-lab-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    min-height: 520px;
    background: #030a03;
    border: 2px solid #00ff41;
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.3);
    font-family: 'Courier New', Courier, monospace;
    overflow: hidden;
    margin: 30px auto;
    border-radius: 4px;
    box-sizing: border-box;
}

#jkstarr-visual-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.2;
}

.jkstarr-lab-box {
    position: relative;
    z-index: 2;
    padding: 20px;
    color: #00ff41;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-sizing: border-box;
}

.jkstarr-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed #00ff41;
    padding-bottom: 10px;
    font-size: 14px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 8px;
}

.jkstarr-top-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

#jkstarr-sound-toggle {
    background: #000;
    color: #00ff41;
    border: 1px solid #00ff41;
    padding: 3px 8px;
    font-size: 11px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
}

#jkstarr-sound-toggle:hover {
    background: #00ff41;
    color: #000;
}

.jkstarr-screen {
    flex: 1;
    flex-direction: column;
    justify-content: center;
}

#jkstarr-setup-screen {
    text-align: center;
}

.jkstarr-config-group {
    margin: 10px 0;
    font-size: 13px;
}

.jkstarr-config-group label {
    display: block;
    margin-bottom: 5px;
    color: #00d2ff;
}

.jkstarr-btn-group {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.jkstarr-config-btn, .jkstarr-time-btn {
    background: #000;
    color: #00ff41;
    border: 1px solid #00ff41;
    padding: 6px 14px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
    transition: 0.2s;
}

.jkstarr-config-btn.active, .jkstarr-time-btn.active {
    background: #00ff41;
    color: #000;
    box-shadow: 0 0 8px #00ff41;
}

.jkstarr-action-btn {
    background: #000;
    color: #00ff41;
    border: 2px solid #00ff41;
    padding: 12px;
    margin: 15px auto 5px auto;
    width: 100%;
    max-width: 320px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
    font-size: 15px;
    font-weight: bold;
    transition: 0.2s;
    display: block;
}

.jkstarr-action-btn:hover {
    background: #00ff41;
    color: #000;
    box-shadow: 0 0 12px #00ff41;
}

.jkstarr-best-score-display {
    margin-top: 10px;
    font-size: 13px;
    letter-spacing: 1px;
    color: #00d2ff;
}

#jkstarr-target-text {
    background: rgba(0, 15, 0, 0.9);
    border: 1px solid #00ff41;
    padding: 15px;
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 1px;
    height: 90px;
    overflow-y: auto;
    word-break: break-word;
    margin-bottom: 15px;
}

#jkstarr-target-text span.correct {
    color: #00ff41;
    background: rgba(0, 255, 65, 0.15);
}

#jkstarr-target-text span.incorrect {
    color: #ff0055;
    background: rgba(255, 0, 85, 0.25);
    text-decoration: underline;
}

#jkstarr-user-input {
    width: 100%;
    height: 85px;
    background: #000;
    border: 1px solid #00ff41;
    color: #00ff41;
    font-size: 16px;
    padding: 10px;
    resize: none;
    outline: none;
    font-family: 'Courier New', Courier, monospace;
    box-sizing: border-box;
    margin-bottom: 15px;
}

.jkstarr-stats-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px dashed #00ff41;
    padding-top: 10px;
    font-size: 14px;
    flex-wrap: wrap;
    gap: 8px;
}

.jkstarr-game-actions {
    display: flex;
    gap: 6px;
}

#jkstarr-ingame-restart {
    background: #000;
    color: #00ff41;
    border: 1px solid #00ff41;
    padding: 2px 8px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
}

#jkstarr-ingame-restart:hover {
    background: #00ff41;
    color: #000;
}

#jkstarr-abort-btn {
    background: #000;
    color: #ff0055;
    border: 1px solid #ff0055;
    padding: 2px 8px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
}

#jkstarr-abort-btn:hover {
    background: #ff0055;
    color: #000;
}

#jkstarr-result-screen {
    text-align: center;
    overflow-y: auto;
    max-height: 420px;
}

.jkstarr-analytics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    background: rgba(0, 20, 0, 0.8);
    border: 1px dashed #00ff41;
    padding: 12px;
    margin: 10px 0;
    font-size: 14px;
}

.jkstarr-history-container {
    margin-top: 10px;
    text-align: left;
}

.jkstarr-history-title {
    font-size: 12px;
    color: #00d2ff;
    margin-bottom: 5px;
}

.jkstarr-history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    background: rgba(0, 10, 0, 0.9);
    border: 1px solid #00ff41;
}

.jkstarr-history-table th, .jkstarr-history-table td {
    border: 1px dashed #00ff41;
    padding: 5px 8px;
    text-align: center;
}

.jkstarr-history-table th {
    color: #00d2ff;
    background: rgba(0, 40, 0, 0.8);
}

.jkstarr-pb-notice {
    font-weight: bold;
    margin: 5px 0;
    letter-spacing: 1px;
}

#jkstarr-restart-btn {
    background: #000;
    color: #00ff41;
    border: 1px solid #00ff41;
    padding: 8px 18px;
    cursor: pointer;
    font-family: 'Courier New', Courier, monospace;
    margin-top: 10px;
}

#jkstarr-restart-btn:hover {
    background: #00ff41;
    color: #000;
}

@media screen and (max-width: 768px) {
    #jkstarr-lab-wrapper {
        max-width: 100%;
        margin: 10px;
        min-height: 480px;
    }
    .jkstarr-lab-box {
        padding: 12px;
    }
    .jkstarr-analytics-grid {
        grid-template-columns: 1fr;
    }
}