.fork-panel {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 32px
}

.fork-visual {
    margin-bottom: 16px
}

.fork-visual svg {
    transition: transform 0.05s
}

.fork-visual.vibrating svg {
    animation: vibrate 0.05s linear infinite
}

@keyframes vibrate {
    0% {
        transform: translateX(-1px)
    }

    25% {
        transform: translateX(1px)
    }

    50% {
        transform: translateX(-1px)
    }

    75% {
        transform: translateX(1px)
    }

    100% {
        transform: translateX(0)
    }
}

.pitch-display {
    margin-bottom: 28px
}

.pitch-note {
    display: block;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary)
}

.pitch-freq {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 500
}

.standard-pitches,
.guitar-tuning {
    margin-bottom: 24px;
    text-align: left
}

.standard-pitches h3,
.guitar-tuning h3,
.custom-freq label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block
}

.pitch-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px
}

.pitch-btn {
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    border: 1.5px solid var(--border);
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 700;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px
}

.pitch-btn small {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500
}

.pitch-btn:hover,
.pitch-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary)
}

.pitch-btn.active small,
.pitch-btn:hover small {
    color: rgba(255, 255, 255, 0.8)
}

.guitar-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px
}

.guitar-btn {
    padding: 10px 6px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    border: 1.5px solid var(--border);
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 700;
    transition: var(--transition)
}

.guitar-btn:hover,
.guitar-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent)
}

.custom-freq {
    margin-bottom: 24px;
    text-align: left
}

.custom-input-wrap {
    display: flex;
    gap: 8px
}

.custom-input-wrap input {
    flex: 1;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 0.92rem
}

.fork-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
    text-align: left
}

.fork-controls select {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 0.92rem
}

.play-btn {
    width: 100%;
    padding: 16px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition)
}

.play-btn:hover {
    background: var(--primary-dark)
}

.play-btn.playing {
    background: #e74c3c
}

.tutorial-link-box {
    max-width: 560px;
    margin: 20px auto 0;
    text-align: center;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px dashed var(--border)
}

.tutorial-link-box a {
    font-weight: 600;
    font-size: 0.92rem
}

@media(max-width:768px) {
    .fork-panel {
        padding: 28px 18px
    }

    .pitch-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .guitar-grid {
        grid-template-columns: repeat(3, 1fr)
    }

    .fork-controls {
        grid-template-columns: 1fr
    }
}

@media(max-width:480px) {
    .pitch-note {
        font-size: 2rem
    }
}