/* Navigation controls */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    transition: all 0.3s ease;
    overflow: hidden;
}

.nav-controls.hidden {
    max-height: 0;
    margin: 0;
    opacity: 0;
    pointer-events: none;
}

/* Toggle button for navigation */
.nav-toggle {
    position: fixed;
    top: 4rem;
    right: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 0.5rem 0.8rem;
    border-radius: 20px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 2px 8px rgba(211, 84, 0, 0.15);
}

.nav-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(211, 84, 0, 0.2);
}

.nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-input {
    width: 70px;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    text-align: center;
}

.page-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(211, 84, 0, 0.1);
}

.keyboard-hint {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: auto;
}

@media (max-width: 768px) {
    .keyboard-hint {
        display: none;
    }

    .nav-controls {
        flex-wrap: wrap;
    }
}