body {
    background: #05070b;
    color: #eaeaea;
    font-family: Arial, sans-serif;
    margin: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background: #111621;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.6);
}

h1, h2 {
    text-align: center;
}

.controls {
    text-align: center;
    margin-bottom: 20px;
}

button {
    background: #1a5dff;
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 15px;
}

button:hover {
    background: #1448c0;
}

.panel.hidden {
    display: none;
}

.sequence {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 10px 0;
    flex-wrap: wrap;
}

.sequence .arrow {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid #555;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    background: #1b2232;
}

.sequence.user .arrow {
    border-style: dashed;
}

.arrow.correct {
    border-color: #2ecc71;
}

.arrow.wrong {
    border-color: #e74c3c;
}

#status {
    text-align: center;
    margin-top: 10px;
    font-size: 16px;
}

#time {
    text-align: center;
    margin-top: 5px;
    font-size: 14px;
    color: #bbb;
}

.hint {
    text-align: center;
    color: #888;
    font-size: 14px;
}
.meta {
    text-align: center;
    margin-bottom: 10px;
    color: #bbb;
}
.meta span {
    margin: 0 8px;
}